74HC/HCT190 Philips Semiconductors (Acquired by NXP), 74HC/HCT190 Datasheet - Page 8

• Manufacturer Part Number: 74HC/HCT190
• Description: Presettable Synchronous BCD Decade Up/down Counter
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
t
t
PHL
PHL
PHL
PHL
PHL
PHL
PHL
PHL
THL
W
W
Presettable synchronous BCD decade
up/down counter
category: MSI
/ 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
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
n
f
to Q
= 6 ns; C
n
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ.
155
31
26
100
20
17
72
26
21
83
30
24
44
16
13
33
12
10
63
23
18
63
23
18
44
16
13
50
18
14
19
7
6
28
10
8
25
9
7
25
max. min. max.
220
44
37
255
51
43
150
30
26
130
26
22
220
44
37
220
44
37
190
38
32
210
42
36
75
15
13
T
8
amb
195
39
33
125
25
21
74HC
40 TO 85
( C)
275
55
47
320
64
54
190
38
33
165
33
28
275
55
47
275
55
47
240
48
41
265
53
45
95
19
16
min.
235
47
40
150
30
26
40 TO 125
max.
330
66
56
385
77
65
225
45
38
195
39
33
330
66
56
330
66
56
285
57
48
315
63
54
110
22
19
.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
74HC/HCT190
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
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
WAVEFORMS