74ACT11191 Datasheet, PDF (7/9 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER

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74ACT11191
SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTER
operating characteristics, V_CC = 5 V, T_A = 25°C
PARAMETER
Cpd
Power dissipation capacitance
SCAS106A − D3455, FEBRUARY 1990 − REVISED APRIL 1993
TEST CONDITIONS
CL = 50 pF,
f = 1 MHz
TYP UNIT
68
pF
From Output
Under Test
CL = 50 pF
(see Note A)
PARAMETER MEASUREMENT INFORMATION
500 Ω
tw
Input
1.5 V
3V
1.5 V
0V
LOAD CIRCUIT
VOLTAGE WAVEFORMS
Timing Input
(see Note B)
tsu
3V
1.5 V
0V
th
3V
Data Input
1.5 V
1.5 V
0V
VOLTAGE WAVEFORMS
Input
(see Note B)
1.5 V
3V
1.5 V
0V
tPLH
In-Phase
Output
tPHL
Out-of-Phase
Output
50% VCC
50% VCC
tPHL
VOH
50% VCC
VOL
tPLH
VOH
50% VCC
VOL
VOLTAGE WAVEFORMS
NOTES: A. CL includes probe and jig capacitance.
B. All 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
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