74HC162 Datasheet, PDF (9/11 Pages) NXP Semiconductors – Presettable synchronous BCD decade counter; synchronous reset

Philips Semiconductors
Presettable synchronous BCD decade
counter; synchronous reset
Product specification
74HC/HCT162
AC CHARACTERISTICS FOR HCT
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
−40 to +85
−40
UNIT _VCC WAVEFORMS
to +125
(V)
min. typ. max. min. max. min. max.
t_PHL/ t_PLH
t_PHL
propagation delay
CP to Q_n
propagation delay
CP to TC
24 43
54
30 51
64
65 ns 4.5 Fig.8
77 ns 4.5 Fig.8
t_PLH
propagation delay
CP to TC
22 45
56
68 ns 4.5 Fig.8
t_PHL
propagation delay
CET to TC
18 35
44
53 ns 4.5 Fig.9
t_PLH
propagation delay
CET to TC
12 24
30
36 ns 4.5 Fig.9
t_THL/ t_TLH output transition time
7 15
19
22 ns 4.5 Figs 8 and 9
t_W
clock pulse width
16 7
HIGH or LOW
20
24
ns 4.5 Fig.8
t_su
set-up time
D_n to CP
t_su
set-up time
PE to CP
20 9
25
35 16
44
30
ns 4.5 Fig.9
53
ns 4.5 Fig.9
t_su
set-up time
40 23
50
60
ns 4.5 Fig.12
CEP, CET to CP
t_su
set-up time
MR to CP
20 12
25
30
ns 4.5 Fig.11
t_h
hold time
0 −10
0
0
ns 4.5 Figs 9, 11 and 12
D_n, PE, CEP,
CET, MR to CP
f_max
maximum clock
17 29
14
11
MHz 4.5 Fig.8
pulse frequency
December 1990
9