74HC/HCT190 Philips Semiconductors (Acquired by NXP), 74HC/HCT190 Datasheet - Page 11

• Manufacturer Part Number: 74HC/HCT190
• 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
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
THL
W
W
rem
su
su
su
h
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
output transition time
clock pulse width
parallel load pulse width
removal time
set-up time
set-up time
set-up time
hold time
hold time
hold time
maximum clock pulse
r
= t
CP to Q
CP to TC
CP to RC
CE to RC
D
PL to Q
U/D to TC
U/D to RC
HIGH or LOW
LOW
PL to CP
U/D to CP
D
CE to CP
U/D to CP
D
CE to CP
frequency
n
n
n
f
to Q
to PL
to PL
= 6 ns; C
n
n
n
L
= 50 pF
25
22
7
42
20
31
0
0
0
16
min. typ.
28
34
20
18
24
29
24
26
7
10
12
1
25
10
18
27
18
6
10
25
48
58
35
33
44
49
45
45
15
max. min. max.
11
T
74HCT
amb
31
28
9
53
25
39
0
0
0
13
40 to 85
( C)
60
73
44
41
55
61
56
56
19
38
33
11
63
30
47
0
0
0
11
min.
40 to 125
72
87
53
50
66
74
68
68
22
max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT190
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.10
Fig.10
Fig.11
Fig.11
Fig.12
Fig.13
Fig.14
Fig.14
Fig.15
Fig.10
Fig.15
Fig.15
Fig.17
Fig.16
Fig.17
Fig.17
Fig.16
Fig.17
Fig.10
WAVEFORMS