English
Language : 

74HC160 Datasheet, PDF (9/9 Pages) NXP Semiconductors – Presettable synchronous BCD decade counter; asynchronous reset
Philips Semiconductors
Presettable synchronous BCD decade
counter; asynchronous reset
Product specification
74HC/HCT160
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH
tPHL
tPLH
tPHL
tPHL
tPHL
tPLH
tTHL/ tTLH
propagation delay
CP to Qn
propagation delay
CP to TC
propagation delay
CP to TC
propagation delay
MR to Qn
propagation delay
MR to TC
propagation delay
CET to TC
propagation delay
CET to TC
output transition time
25 43
54
65 ns 4.5 Fig. 8
28 48
60
72 ns 4.5 Fig. 8
23 39
49
59 ns 4.5 Fig. 8
27 50
63
75 ns 4.5 Fig. 9
30 50
63
75 ns 4.5 Fig. 9
17 35
44
53 ns 4.5 Fig. 10
9 17
21
26 ns 4.5 Fig. 10
7 15
19
22 ns 4.5 Figs 8 and 10
tW
clock pulse width
HIGH or LOW
16 8
20
24
tW
master reset pulse width 20 11
25
30
LOW
trem
removal time
MR to CP
20 9
25
30
tsu
set-up time
Dn to CP
tsu
set-up time
PE to CP
18 10
25
30
30 18
44
53
tsu
set-up time
50 30
63
75
CEP, CET to CP
th
hold time
Dn to CP
th
hold time
PE to CP
0 −8
0
0
0 −13
0
0
th
hold time
0 −21
0
0
CEP, CET to CP
fmax
maximum clock pulse
16 28
13
11
frequency
ns 4.5 Fig. 8
ns 4.5 Fig. 9
ns 4.5 Fig. 9
ns 4.5 Fig. 11
ns 4.5 Fig. 11
ns 4.5 Fig. 12
ns 4.5 Figs 11 and 12
ns 4.5 Figs 11 and 12
ns 4.5 Figs 11 and 12
MHz 4.5 Fig. 8
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
9