74HC/HCT192 Philips Semiconductors (Acquired by NXP), 74HC/HCT192 Datasheet - Page 10

• Manufacturer Part Number: 74HC/HCT192
• Description: Presettable Synchronous BCD Decade Up/down Counter
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
THL
W
W
W
rem
rem
su
h
h
max
Presettable synchronous BCD decade
up/down counter
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
up, down clock pulse width
master reset pulse width
parallel load pulse width
removal time
removal time
set-up time
hold time
hold time
maximum up, down clock
r
CP
CP
CP
PL to Q
MR to Q
D
PL to TC
MR to TC
D
HIGH or LOW
HIGH
LOW
PL to CP
MR to CP
D
D
CP
pulse frequency
= t
n
n
n
n
f
U
U
D
U
to Q
to TC
to PL
to PL
= 6 ns; C
, CP
to TC
to TC
to CP
PARAMETER
n
n
n
D
U
U,
U
U,
U
, D
, CP
to Q
U
D
D
, CP
PL to TC
, CP
MR to TC
n
L
to TC
= 50 pF
D
n
D
D
to CP
D
D
D
U
25
16
20
10
10
16
0
20
20
min. typ. max. min. max. min. max.
23
16
17
28
24
36
36
36
33
7
14
6
10
1
2
8
9
41
6
25
43
30
30
46
40
62
64
64
58
15
10
T
74HCT
amb
31
20
25
13
13
20
0
25
16
40 to 85
( C)
54
38
38
58
50
78
80
80
73
19
38
24
30
15
15
24
0
30
13
40 to 125
65
45
45
69
60
93
96
96
87
22
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT192
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.7
Fig.8
Fig.8
Fig.9
Fig.10
Fig.9
Fig.12
Fig.12
Fig.12
Fig.10
Fig.7
Fig.10
Fig.9
Fig.9
Fig.10
Fig.11 note:
CP
HIGH
Fig.11
Fig.13
Fig.7
WAVEFORMS
U
= CP
D
=