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SN54184, SN54185A, SN74184, SN74185A BCD-lO-BINARY AND BINARY-lO-BCD CONVERlERS SN54184, SN74184 BCD-TO-BINARY CONVERTERS SN54185A, SN74185A BINARY-TO-BCD CONVERTERS FEBRUARY 1971-REVISED DECEMBER 1972 SN54184, SN54185A ... J ORW PACKAGE SN74184, SN74185A ... J OR N PACKAGE (TOPVIEWi description These monolithic converters are derived from the custom MSI 256-bit read-only memories SN5488 and SN7488. Emitter connections are made. to provide direct read-out of converted codes at 'outputs Y8 through Yl as shown in the function tables. These converters demonstrate the versatility of a read-only memory in that an unlimited number of reference tables or conversion tables may be built into a system using economical, customized read-only memories. Both of these converters comprehend that the least significant bits (LSB) of the binary and BCD codes are logically equal, and in each case the LSB bypasses the converter as illustrated in the typical applications. This means that a 6-bit converter is produced in each case. Both devices are cascadable to N bits. Y1 Y2 Y3 Y4 Y5 Y6 Y7 GND TABLE I VCC G E D C B A Y8 SN54184, SN74184 PACKAGE COUNT AND DELAY TIMES FOR BCD-TO-BINARY CONVERSION I INPUT PACKAGES TOTAL DELAY TIMES (nsl (DECADESI REQUIRED TYP MAX 2 2 56 80 3 6 140 200 . 4 11 196 280 5 19 280 400 6 28 364 520 An overriding enable input is provided on each converter which, when taken high, inhibits the function, causing all outputs to go high. For this reason, and to minimize power consumption, unused outputs Y7 and Y8 of the '185A and all "don't care" conditions of the '184 are programmed high. The outputs are of the open-collector type. The SN54184 and SN54185A are characterized for operation over the full military temperature range of -55°C to 125° C; the SN7 4184 and SN7 4185A are characterized for operation from O°C to 70°C. SN54184 and SN74184 BCD-to-binary converters The 6-bit BCD-to-binary function of the SN54184 and SN74184 is analogous to the algorithm: a. Shift BCD number right one bit and examine each decade. Subtract three from each 4-bit decade containing a binary value greater than seven. b. Shift right, examine, and correct after each shift until the least significant decade contains a number smaller than eight and all other converted decades contain zeros. In addition to BCD-to-binary conversion, the SN54184 and SN74184 are programmed to generate BCD g's complement or BCD 10's complement. Again, in each case, one bit of the complement code is logically equal to one of the BCD bits; therefore, these complements can be produced on three lines. As outputs Y6, Y7, and Y8 are not required in the BCD-to-binary conversion, they are utilized to provide these complement codes as specified in the function table (following page, right) when the devices are connected as shown above the function table. U) 2
SN54184, SN74184 BCD·TO·BINARY AND BINARY·TO·BCD CONVERTERS SN54184 and SN74184 BCD·to·binary converters (continued) BCD9'S 6-BIT CONVERTER COMPLEMENT CONVERTER MSD LSD O~ BCD ~ BCD 10'S COMPLEMENT CONVERTER BCD 5V~ o C B A SN541B4 OR SN741B4 YB Y7 Y6 24 23 22 21 V 6·BIT BINARY OUTPUT ~ BCD 9'S COMPLEMENT ~ BCD 10'S COMPLEMENT BCD WORDS E 0·1 L 2·3 L 4-5 L 6·7 L 8·9 L 10-11 L 12·13 L 14-15 L 16·17 L 18-19 L 20-21 H 22·23 H 24·25 H 26·27 H 28-29 H 30·31 H 32-33 H 34·35 H 36·37 H 38-39 H ANY X FUNCTION TABLE BCD-TO-BINARY CONVERTER INPUTS (See NOle <strong>Al</strong> (See Note BI 0 C B A G Y5 . Y4 Y3 Y2 Y1 L L L L L L L L L H L L L L H L L L L L H H L L L H L L L L H L L L L L H L L H L L H L H L L L H L H H L L H H L L L L L L L L L L L L L H L L L L H L L L L L H H L L L H L L L L H L L L L L H L L H L H H L H L L H H L H H L H H H L L L H X X X X H H H = high level, L = low level, X = irrelevant NOTES: OUTPUTS L L L L L L L L H L L H L H L L H L L H H L H H H L L H L L H L H H L H H H L H H L H H H H H H L L L L L L L L H L L H H H H A. Input conditions other than those shown produce highs at outputs VI through VS. B. Outputs V6, V7, and VB are not used for BCD-tobinary conversion. L H L H L H L H L H L H L H L H L H L H H FUNCTION TABLE BCD 9'S OR BCD 10'S COMPLEMENT CONVERTER BCD INPUTS OUTPUTS (See Note CI (See Note 01 WORD Et 0 C B A G YB Y7 Y6 0 L L L L L L H L H 1 L L L L H L H L L 2 L L L H L L L H H 3 L L L 11 H L L H L 4 L L H" L L L L H H 5 L L H L H L L H L 6 L L H H L L L L H 7 L L H H H L L L L B L H L L L L L L H 9 L H L L H L L L L 0 H L L L L L L L L 1 H L L L H L H L L 2 H L L H L L H L L 3 H L L H H L L H H 4 H L H L L L L H H 5 H L H L H L L H L 6 H L H H L L L H L 7 H L H H H L L L H 8 H H L L L L L L H 9 H H L L H L L L L ANY X X X X X H H H H H = high level, L = low level, X a irrelevant NOTES: C. Input conditions other than those shown produce highs at outputs V6, V7, and VB. D. Outputs V1 through V5 are not used for BCD g's or BCD 10's complement conversion. tWhen these devices are used as complement converters, input E is used 8S 8 mode control. With this input low, the BCD 9's complement is generated; when it is high, the BCD 10's complement is generated. 5-10 TEXAS .. INSTRUMENTS POST OFFICE BOX 225012 • DALLAS, TEXAS 75265
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SDZD001B TheTTL ,Data Book Volume 4
Page 4:
General Information Functional Inde
Page 7 and 8:
IMPORTANT NOTICE Texas Instruments
Page 9 and 10:
G) CD ::::s CD ... ~ ::::s ..... o
Page 11 and 12:
A new Field Programmable Logic Appl
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ALPHANUMERIC INDEX RAMs and Memory-
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GLOSSARY Output-Enable Input A gati
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GLOSSARY C) CD :::J CD ... ~ .... 5
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EXPLANATION OF FUNCTION TABLES The
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SERIES 1 AND 2 PROMs, RAMs, MEMORY
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SERIES TIBPAL', PAL', TIFPLA DEVICE
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ORDERING INFORMATION II PROM NUMBER
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::J -o 3 Q) .-+ o· ::J 1-20
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HARDWARE/SOFTWARE MANUFACTURERS ADD
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'T1 c: ::J n ... o· ::J ~ ::J Q, C
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FUNCTIONAL Ir~DEX GATES, EXPANDERS,
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FUNCTIONAL INDEX BUFFERS, DRIVERS,
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FUNCTIONAL INDEX LATCHES AND MUL TI
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FUNCTIONAL INDEX COUNTERS II "T1 r:
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FUNCTIONAL INDEX DISPLAY DECODERS/D
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FUNCTIONAL INDEX ARITHMETIC CIRCUIT
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FUNCTIONAL INDEX PROGRAMMABLE LOGIC
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"T1 m· c: ." ""I o cc ""I Q) 3 3 Q
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PAL16R4A, PAL16R6A, PAL16R8A STANDA
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PAL 16R6A, PAL 16R8A STANDARD HIGH
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~ PAL16R4A STANDARD HIGH,SPEED PAL
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PAL16RBA STANDARD HIGH·SPEED PAL C
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PAL 16L8A, PAL 16R4A, PAL 16R6A, PA
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PAL 16L8A, PAL 16R4A, PAL 16R6A, PA
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3-16
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PAL20R4A. PAL20R6A. PAL20R8A STANDA
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PAL20R6A. PAL20R8A STANDARD HIGH SP
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PAL20R4A STANDARD HIGH SPEED PAL CI
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PAL20R8A STANDARD HIGH SPEED PAL CI
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PAL20L8A, PAL20R4A, PAL20R6A, PAL20
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TIBPAL 16R4, TIBPAL 16R6, TIBPAL 16
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TIBPAL 16R6, TIBPAL 16R8 HIGH·PERF
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TIBPAL16R4 HIGH·PERFORMANCE IMPACT
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TIBPAL 16R8 HIGH·PERFORMANCE IMPAC
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TIBPAL 16LH, TIBPAL 16R4, TIBPAL 16
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TIBPAL 16L8, TIBPAL 16R4, TIBPAL 16
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"T1 [ Co ""I o cc ""I Q) 3 3 Q) C"
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TIBPAL 16R4·12, TIBPAL 16R6·12, T
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TIBPAL 16R6·12, TIBPAL 16R8·12 12
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~ TIBPAL 16R4·12 12·NS IMPAcr M P
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~ TIBPAL 16R8,12 12,NS IMPACr M PAL
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TIBPAL 16L8·12, TIBPAL 16R4·12, T
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TIBPAL 16L8·12, TIBPAL 16R4·12, T
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"T1 [ Co I ""0 ... o cc ... D.l 3 3
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THCTPAL16L8, THCTPAL16R4, THCTPAL16
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TIBPAL20R4·15, TIBPAL20R6·15, TIB
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TIBPAL20R6·15, TIBPAL20R8·15 TIBP
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'"T1 (1). e: ... -a o cc ... Q) 3 3
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TIBPAL20R8·15 TIBPAL20R8·20 HIGH
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TIBPAL20L8·15, TIBPAL20R4·15, TIB
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TIBPAL20L8·15, TIBPAL20R4·15, TIB
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TIBPAL20X4, TIBPAL20X8, TIBPAL20X10
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TIBPAL20X8, TIBPAL20X10 HIGH·PERFO
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~ TIBPAL20X4 HIGH·PERFORMANCE EXCL
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TIBPAL20X10 HIGH·PERFORMANCE EXCLU
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TIBPAL20L 10, TIBPAL20X4, TIBPAL20X
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TlBPAL20L 10, TIBPAL20X4, TlBPAL20X
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TIBPALR19R4, TIBPALR19R6, TIBPALR19
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TIBPALR19R6, TIBPALR19R8 HIGH·PERF
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TIBPALR19R4 HIGH·PERFORMANCE REGIS
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TIBPALR 19R8 HIGH-PERFORMANCE REGIS
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TIBPALR19L8, TIBPALR19R4, TIBPALR19
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TIBPALR19L8, TIBPALR19R4, TlBPALR19
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TIBPALT19R4, TIBPALT19R6, TIBPALT19
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TIBPALT19R6, TIBPALT19R8 HIGH·PERF
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TIBPAL T1 9R4 HIGH·PERFORMANCE LAT
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TIBPALT19RB HIGH·PERFORMANCE LATCH
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TIBPALT19L8. TIBPAL T19R4. TIBPAL T
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TIBPALT19L8, TIBPALT19R4, TIBPALT19
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TIBPAL T19L8. TIBPALT19R4. TIBPALT1
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TIBPALT19L8, TIBPALT19R4, TIBPALT19
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TIB82S105B 16 x 48 x 8 FIELD·PROGR
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TIB82S1058 16 x 48 x 8 FIELD·PROGR
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TIB82S167B 14 >< 48 x 6 FIELD·PROG
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TIB82S167B 14 X 48 X 6 FIELD·PROGR
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TIB82S167B 14 x 48 x 6 FIELD-PROGRA
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." [ 9- "'C ~ o CC ~ Q) 3 3 Q) C" m
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." (ii' c: ... -c o cc ... Q) 3 3 Q
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TIFPGA529 FIELD·PROGRAMMABLE GATE
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TIFPLA839. TIFPLA840 14 x 32 x 6 FI
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TIFPLA839, TIFPLA840 14 x 32 x 6 FI
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82S105A 16 x 48 X 8 FIELD·PROGRAMM
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-n m' e: .!a ... o cc ... Q) 3 3 Q)
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82S105A 16 x 48 x 8 FIELD·PROGRAMM
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82S105A . 16 x 48 x 8 FIELD·PROGRA
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82S167A 14 x 48x 6 FIELD·PROGRAMMA
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82S167A 14 X 48 X 6 FIELD·PROGRAMM
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82S167A 14 x 48 x 6 FIELD-PROGRAMMA
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"T1 ~ c. .!g ... o cc ... Q) 3 3 Q)
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." ::JJ o S en 4-2
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BIPOLAR PROM CROSS·REFERENCE GUIDE
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TBP18S030, TBP18SA030 256 BITS (32
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TBP18S030 256 BITS (32 WORDS BY 8 B
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4-10
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SERIES 24 AND 28 STANDARD AND LOW·
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TBP24SA10 1024 BITS (256 WORDS BY 4
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TBP24SA41 4096 BITS (1024 WORDS BY
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TBP24SA81 8192 BITS (2048 WORDS BY
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TBP28SA86A 8192 BITS (1024 WORDS BY
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TBP28S166 16,384 BITS (2084 WORDS B
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TBP28LA22 2048 BITS (256 WORDS BY 8
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TBP28L46 4096 BITS (512 WORDS BY 8
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TBP28L166 16,384 BITS (2084 WORDS B
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SERIES 24 AND 28 PROGRAMMABLE READ
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TBP34R162, TBP34R16X 16,384-BIT (40
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TBP34R162, TBP34R16X 16,384-BIT (40
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TBP34R162, TBP34R16X 16,384-BIT (40
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TBP34S10, TBP34L10, TBP34SA10 TBP34
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II "tJ :D o S C/) TBP34L10, TBP34L1
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TBP34S10, TBP34L10, TBP34A10 TBP34S
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"'C ::c o S en 4-48
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TBP34S162, TBP34L162, TBP34SA162 TB
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II "tJ jJ o s: C/) TBP34L162, TBP34
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TBP34S162, TBP34L162, TBP34SA162 TB
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II 4-56
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TBP34SR165, TBP34SR16X 16,384·BIT
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TBP34SR165, TBP34SR16X 16,384·811
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Page 301 and 302: TBP34SR165, TBP34SR16X 16,384·BIT
Page 303 and 304: TBP38S030, TBP38L030, TBP38SA030 TB
Page 305 and 306: TBP38L030, TBP38L03X 256·BIT (32 W
Page 307 and 308: TBP38S030, TBP38L030, TBP38SA030 TB
Page 309 and 310: "'C :c o s: (J) 4-74
Page 311 and 312: TBP38S8, TBP38L8, TBP38SA8 8,192·B
Page 313 and 314: TBP38L165, TBP38L166, TBP38L16X 16,
Page 319 and 320: TBP38R165, TBP38R16X 16,384-BI1 (20
Page 321 and 322: TBP38R165, TBP38R16X 16,384·BIT (2
Page 323 and 324: 11 "'C :c o S UI TBP38R165, TBP38R1
Page 325 and 326: TBP38S165, TBP38S166, TBP38S16X 16,
Page 327 and 328: TBP38S165, TBP38S166, TBP38S16X 16,
Page 329 and 330: II 4-94
Page 331 and 332: TBP38SA165, TBP38SA166, TBP38SA16X
Page 333 and 334: TBP38SA165. TBP38SA166. TBP38SA16X
Page 335 and 336: "'C :0 o S rJ) 4-100
Page 337 and 338: TBP38S22, TBP38L22, TBP38SA22 TBP38
Page 339 and 340: TBP38S22, TBP38S2X 2,048-BIT (256 W
Page 341 and 342: TBP38SA22, TBP38SA2X 2,048·BI1 (25
Page 343 and 344: TBP38S22, TBP38L22, TBP38SA22 TBP38
Page 345 and 346: 5-2
Page 347 and 348: SN7489 64·BIT RANDOM·ACCESS READ/
Page 349 and 350: SN7489 64·BIT RANDOM·ACCESS READ/
Page 351: SN7489 64·BIT RANDOM·ACCESS READ/
Page 355 and 356: SN54184,SN54185A, SN74184, SN74185A
Page 357 and 358: SN54184, SN74184 BCD·TO·BINARY CO
Page 359 and 360: SN54185, SN74185A BCD·TO·BINARY C
Page 361 and 362: 5-18
Page 363 and 364: SN54LS189A. SN54LS219A. SN54LS289A.
Page 365 and 366: SN54LS189A, SN54LS219A, SN74LS189A,
Page 367 and 368: 5-24
Page 369 and 370: SN54S1890, SN54S2890, SN74S1890, SN
Page 371 and 372: SN54S189B, SN54S289B, SN74S189B, SN
Page 373 and 374: SN74S201, SN74S301 256·811 HIGH·P
Page 375 and 376: SN74S201, SN74S301 256·811 HIGH·P
Page 377 and 378: SN54284, SN54285, SN74274, SN74285
Page 379 and 380: SN54284, SN54285, SN74284, SN74285
Page 381 and 382: SN54S484A, SN54S485A, SN74S484A, SN
Page 383 and 384: SN54S484A, SN54S485A, SN74S484A, SN
Page 385 and 386: SN54S484A, SN74S484A BCD·TO·BINAR
Page 387 and 388: SN54S484A, SN54S485A,SN74S484A, SN7
Page 391 and 392: SN54S485A. SN74S485A BCD·TO·BINAR
Page 393 and 394: SN54S485A, SN74S485A BCD-lO-BINARY
Page 395 and 396: SN54S485A, SN74S485A BCD·IO·BINAR
Page 399 and 400: 5-56
Page 401 and 402: 6-2
Page 403 and 404:
IMPORTANT NOTICE Texas Instruments
Page 405 and 406:
List of Illustrations Figure 1 2 3
Page 407 and 408:
FAMILY ARCHITECTURES As stated befo
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~ ~ ~ INPUT LINES RODUCT, . LINES 0
Page 411 and 412:
ENABLE .10 INPUTS o In PO o o D--+-
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'LS253 'LS162 PAL SELECTION SELO SE
Page 415 and 416:
lEI [e111 It is important to notice
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~ ~ » 'C "2- ri' Q) .... ClK (1) ~
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0000 0000 0011 1111 1111 2222 2222
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modulQ BO_80UNT flao /-r2/ titl~ '4
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ADDRESS FOR PROGRAMMING AND SOFTWAR
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7-2
Page 427 and 428:
MECHANICAL DATA OW plastic "small o
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MECHANICAL DATA FN plastic chip car
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MECHANICAL DATA J ceramic dual-in-l
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MECHANICAL DATA J ceramic dual-in-l
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MECHANICAL DATA N plastic dual-in-l
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MECHANICAL DATA N plastic dual-in-l
Page 439:
MECHANICAL DATA N plastic dual-in-I
Page 443:
TI Worldwide Sales Offices ALABAMA:
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