TheTTL - Al Kossow's Bitsavers

TIBPALT19L8. TIBPAL T19R4. TIBPAL T19R6. TIBPAL T19R8
HIGH·PERFORMANCE LATCHED·INPUT PAL CIRCUITS
electrical characteristics over recommended free-air operating temperature range
PARAMETER
TEST CONDITIONSt
M SUFFIX
C SUFFIX
MIN TYP* MAX MIN TYP* MAX
VIK Vee = MIN, II = -18 mA -1.5 -1.5
VOH Vee = MIN, 10H = MAX 2.4 3.2 2.4 3.3
VOL Vee = MIN, 10L = MAX 0.25 0.4 0.35 0.5
10ZH
Outputs 20 20
Vee = MAX, VIH = 2.7 V
I/O ports
100 100
10ZL
Outputs
-20 -20
Vee = MAX, VIH = 0.4 V
I/O ports
-250 -250
DE Input 0.2 0.2
II Vee = MAX, VI = 5.5 V
All others 0.1 0.1
IIH
OE Input
40 40
Vee = MAX, VI = 2.7 V
All others
20 20
IlL
DE Input
-0.4 -0.4
Vee = MAX, VI = 0.4 V
All others -0.2 -0.2
lo§ Vee = MAX, Vo = 2.25 V -30 -125 -30 -125
lee
Vee = MAX, VI = 0 V,
Outputs open
150 210 150 210
UNIT
V
V
V
/lA
/lA
mA
/lA
mA
mA
mA
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CO
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3
3
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CD
r
o
CO
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switching characteristics over recommended operating free-air temperature range (unless otherwise
noted)
PARAMETER FROM TO
TEST M SUFFIX C SUFFIX
CONDITIONS MIN TYP* MAX MIN TYP* MAX
UNIT
f max OUTCLKl Q 20 30 MHz
tpd 1,110 110,0 15 30 15 25 ns
tod liD' 1/0,0 25 45 25 40 ns
tpd INLE! 1/0,0 28 45 28 40 ns
tpd OUTeLKi Q 10 25 10 20 ns
ten DE! Q RL = 500 fl, 10 25 10 20 ns
ten 1,110 110, 0 eL = 50 pF, 14 30 14 25 ns
ten liD' 110,0 See Note 4 30 45 30 40 ns
ten INLE! 1/0,0 30 45 30 40 ns
tdis DEl Q 11 25 11 20 ns
tdis 1,110 liD, 0 12 30 12 25 ns
tdis liD' I/O, 0 14 30 14 25 ns
tdis INLE! I/O, 0 14 30 14 25 ns
tFor conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
* All typical values are Vee = 5 V, T A = 25 ce. '
§ The output conditions have been chosen to produce a current that closely approximates one half the true short-circuit current, lOS.
, Input configured as an input buffer or INLE low. -
NOTE 4: Load circuits and voltage waveforms are shown in Section 1 of The TTL Data Book, Volume 4, 1985.
3-114 TEXAS ~
INSTRUMENlS
POST OFFICE BOX 225012 • DALLAS, TEXAS 75265