TheTTL - Al Kossow's Bitsavers

TIBPAL20LB·15, TIBPAL20R4·15, TIBPAL20R6·15, TIBPAL20RB·15
TIBPAL20LB·20, TIBPAL20R4·20, TIBPAL20R6·20, TIBPAL20RB·20
HIGH·PERFORMANCE IMPACr M
PAL ® CIRCUITS
02920, JUNE 1986
• High Performance: f max (w/o feedback)
TIBPAL20R' C series ... 45 MHz
TIBPAL20R' M series, .. 41.5 MHz
• High Performance ... 45 MHz Min
• Functionally Equivalent to, but Faster than,
PAL20L8, PAL20R4, PAL20RS, PAL20R8
• Preload Capability on Output Registers
Simplifies Testing
• Package Options Include Plastic and
Ceramic Chip Carriers in Addition to Plastic
and Ceramic DIPs
o Reduced ICC of 180 rnA Max
TIBPAL20LS'
M SUFFIX ... JT PACKAGE
C SUFFIX .•• JT OR NT PACKAGE
(TOP VIEW)
GND -""__.J-'
Vec
I
o
I/O
liD
liD
liD
liD
liD
o
DEVICE
3-STATE REGISTERED 1/0
I INPUTS
o OUTPUTS Q OUTPUTS PORTS
'PAl20l8 14 2 0 6
'PAl20R4 12 0 4 (3-state buffers) 4
'PAl20R6 12 0 6 (3-state buffers) 2
'PAl20R8 12 0 8 (3-state buffers) 0
description
These programmable array logic devices feature
high speed and functional equivalency when
compared with currently available devices.
These IMPACTTM circuits combine the latest
Advanced Low-Power Schottky t technology
with proven titanium-tungsten fuses to provide
reliable, high performance substitutes for
conventional TTL logic. Their easy
programmability allows for quick design of
custom functions and typically results in a more
compact circuit board. In addition, chip carriers
are also available for further reduction in board
space.
I
I
NC
TIBPAL20LS'
M SUFFIX ••• FK PACKAGE
C SUFFIX __ . FN PACKAGE
10
11
(TOP VIEW)
u
u u ___ z>_o
4 3 2 1 28 27 26
121314 15 16 17 18
--ou--o
ZZ
t:l
NC-No internal connection
25 liD
24 liD
23 liD
22 NC
21 liD
20 liD
19 liD
Pin assignments in operating mode
Extra circuitry has been provided to allow loading of each register asynchronously to either a high or low
state. This feature simplifies testing because the registers can be set to an initial state prior to executing
the test sequence.
The TIBPAL20'M series is characterized for operation over the full military temperature range of - 55°C
to 125°C. The TIBPAL20'C is characterized from O°C to 75°C.
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IMPACT is a trademark of Texas Instruments Incorporated
PAL is a registered trademark of Monolithic Memories Inc.
tlntegrated Schottky-Barrier diode-clamped transistor is patented
by Texas Instruments, U_S_ Patent Number 3.463,975.
PRODUCTION DATA documents contain information
current as of publication date. Products conform to
specifications per the terms of Texas Instruments
~~~~~:~~i~ai~:I~~~ ~~:~~~ti~,n ~~o~:::~:t::s~s not
TEXAS ..
INSTRUMENlS
POST OFFICE BOX 225012 • DALLAS. TEXAS 75265
Copyright © 1986. Texas Instruments Incorporated
3-S1