TheTTL - Al Kossow's Bitsavers

TBP18SA030
256 BITS (32 WORDS BY 8 BITS)
PROGRAMMABLE READ·ONLY MEMORIES WITH OPEN·COLLECTOR OUTPUTS
recommended operating conditions (see Note 4)
TBP18SA030
PARAMETER
MIN NOM MAX
UNIT
Supply voltage, Vee
MJ 4.5 5 5.5
J,N 4.75 5 5.25
V
High-level output voltage, VOH 5.5 V
Low-level output current, IOL 20 mA
Operating free-air temperature, TA
MJ -55 125
J,N 0 70
°e
electrical characteristics over recommended operating free-air temperature range (unless otherwise
noted)
PARAMETER TEST CONDITIONSt MIN TYPt MAX UNIT
V,H High-level input voltage 2 V
V,L Low-level input voltage 0.8 V
V,K Input clamp voltage Vee = MIN, 1,=-lBmA -1.2 V
Vee = MIN,
VOH= 2.4 V 50
IOH High-level output current V,H = 2 V,
I VOH = 5.5 V 100 pA
V,L =O.B V
Vee- MIN, V,H = 2 V,
VOL
Low-level output voltage
0.5
V,L = O.B V,
V.
IOL= MAX
"
Input current at maximum
input voltage
I
Vee = MAX, V,=5.5V 1 mA
I'H High-level input current Vce= MAX, V,- 2.7 V 25 pA
I,L Low-level input current Vee = MAX, V,=0.5V -0.25 rnA
Vee = MAX,
lee Supply current Chip select(s) at 0 V, Outputs open, BO 110 mA
See Note 5
switching characteristics over recommended ranges of TA and Vee (unless otherwise noted)
TEST
t(A)
ACCESS TIME FROM
TYPE CONDITIONS ADDRESS
TBP1BSA030MJ
TBP1BSA030
CL = 30pF,
RU = 300 n,
RL2= 600 n,
See Note 6
tarS)
ACCESS TIME FROM
CHIP SELECT
(ENABLE TIME)
tpLH
PROPAGATION DELAY
TIME, LOW-TO-HIGH-LEVEL
OUTPUT FROM CHIP
SELECT (DISABLE TIME)
MIN TYpt: MAX MIN TYPt MAX MIN TYpt MAX
25 50
UNIT
12 30 12 30 ns
25 40 12 25 12 25 ns
tFor conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
tAli typical values are at Vee = 5 V, TA = 25°e. .
NOTES: 4. MJ designates full-temperature circuits (formerly 54 Family), J and N designate commercial-temperature circuits (formerly
74 Family).
5. The typical v,alues of ICC are with all outputs low.
6. Load circuits and voltage waveforms are shown in Section 1.
TEXAS "'I}
INSTRUMENTS
POST OFFICE BOX 225012 • DALLAS. TEXAS 75265
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