TC74ACT157P_07 Datasheet, PDF (5/10 Pages) Toshiba Semiconductor – CMOS Digital Integrated Circuit Silicon Monolithic Quad 2-Channel Multiplexer

TC74ACT157P/F/FN/FT
AC Characteristics (C_L = 50 pF, R_L = 500 Ω, input: t_r = t_f = 3 ns)
Characteristics
Propagation delay
time
(A, B-Y)
Symbol
t_pLH
t_pHL
Test Condition
Ta = 25°C
Ta =
−40 to 85°C _Unit
V_CC (V) Min Typ. Max Min Max
―
5.0 ± 0.5 ―
5.5 8.0 1.0 9.1
ns
Propagation delay
time
t_pLH
(SELECT-Y)
t_pHL
―
5.0 ± 0.5 ―
6.9 11.4 1.0 13.0 ns
Propagation delay
time
t_pLH
( ST -Y)
t_pHL
―
5.0 ± 0.5 ―
6.8 10.8 1.0 12.3 ns
Input capacitance
C_IN
―
Power dissipation
C_PD
capacitance
―
(Note)
―
5
10
―
10
pF
―
51
―
―
―
pF
Note:
C_PD 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:
I_{CC (opr)} = C_PD·V_CC·f_IN + I_CC/4 (per bit)
5
2007-10-01