TC74AC157F View Datasheet(PDF) - Toshiba
Part Name
Description
Manufacturer
TC74AC157F Datasheet PDF : 9 Pages
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TC74AC157P/F/FT
AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns)
Characteristics
Propagation delay
time
(A, B-Y)
Symbol
tpLH
tpHL
Test Condition
―
Ta = 25°C
Ta =
−40 to 85°C Unit
VCC (V) Min Typ. Max Min Max
3.3 ± 0.3 ―
5.0 ± 0.5 ―
7.2 12.2 1.0 14.0
ns
5.5 7.9 1.0 9.1
Propagation delay
time
tpLH
(SELECT-Y)
tpHL
3.3 ± 0.3 ―
8.5 14.5 1.0 16.7
―
ns
5.0 ± 0.5 ―
6.3 9.1 1.0 10.5
Propagation delay
time
tpLH
( ST -Y)
tpHL
3.3 ± 0.3 ―
8.6 14.6 1.0 16.8
―
ns
5.0 ± 0.5 ―
6.4 9.2 1.0 10.6
Input capacitance
CIN
Power dissipation
capacitance
CPD
―
―
5
10
―
10
pF
(Note) ―
93
―
―
―
pF
Note:
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD·VCC·fIN + ICC/4 (per bit)
5
2012-02-29
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