74AC11020 Datasheet, PDF (4/5 Pages) Texas Instruments – DUAL 4-INPUT POSITIVE-NAND GATES

54AC11020, 74AC11020
DUAL 4-INPUT POSITIVE-NAND GATES
SCAS154 – MARCH 1987 – REVISED APRIL 1993
switching characteristics over recommended operating free-air temperature range,
V_CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
54AC11020 74AC11020
MIN TYP MAX MIN MAX MIN MAX
tPLH
Any
tPHL
1.5 6.4 8.6 1.5
10 1.5 9.4
Y
1.5 6.4 9.2 1.5 10.7 1.5 10.1
UNIT
ns
switching characteristics over recommended operating free-air temperature range,
V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
54AC11020 74AC11020
MIN TYP MAX MIN MAX MIN MAX
tPLH
Any
tPHL
1.5 4.3 8.1 1.5
7 1.5 6.7
Y
1.5 4.4 7.8 1.5 7.7 1.5 7.3
UNIT
ns
operating characteristics, V_CC = 5 V, T_A = 25°C
PARAMETER
Cpd
Power dissipation capacitance per gate
TEST CONDITIONS
CL = 50 pF, f = 1 MHz
TYP UNIT
19
pF
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
500 Ω
Input
(see Note B)
tPHL
Output
50%
50%
VCC
0V
tPLH
50% VCC
VOH
50% VCC
VOL
LOAD CIRCUIT
VOLTAGE WAVEFORMS
NOTES: A. CL includes probe and jig capacitance.
B. Input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns.
C. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
2–4
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