Datasheet

December 1990 5
Philips Semiconductors Product specification
12-stage binary ripple counter 74HC/HCT4040
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
CP to Q
0
47
17
14
150
30
26
190
38
33
225
45
38
ns 2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
Q
n
to Q
n+1
28
10
8
100
20
17
125
25
21
150
30
26
ns 2.0
4.5
6.0
Fig.7
t
PHL
propagation delay
MR to Q
n
61
22
18
185
37
31
230
46
39
280
56
48
ns 2.0
4.5
6.0
Fig.7
t
THL
/ t
TLH
output transition time 19
7
6
75
15
13
95
19
16
110
22
19
ns 2.0
4.5
6.0
Fig.7
t
W
clock pulse width
HIGH or LOW
80
16
14
14
5
4
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.7
t
W
master reset pulse
width; HIGH
80
16
14
22
8
6
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.7
t
rem
removal time
MR to CP
50
10
9
8
3
2
65
13
11
75
15
13
ns 2.0
4.5
6.0
Fig.7
f
max
maximum clock pulse
frequency
6.0
30
35
27
82
98
4.8
24
28
4.0
20
24
MHz 2.0
4.5
6.0
Fig.7