HD74HC4040
Switching Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25°C
Item
Maximum clock
frequency
Propagation delay
time
Symbol V
CC
(V)
f
max
2.0
4.5
6.0
t
PLH
2.0
4.5
6.0
2.0
4.5
6.0
t
PHL
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Output rise/fall
time
Input capacitance
t
TLH
t
THL
Cin
2.0
4.5
6.0
—
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
100
20
17
80
16
14
—
—
—
—
Typ
—
—
—
—
15
—
—
16
—
—
18
—
—
4
—
—
—
—
—
5
—
—
5
—
5
Max
5
25
29
175
35
30
175
35
30
200
40
34
100
20
17
—
—
—
—
—
—
75
15
13
10
Ta = –40 to +85°C
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
125
25
21
100
20
17
—
—
—
—
Max
4
20
24
220
44
37
220
44
37
250
50
43
125
25
21
—
—
—
—
—
—
95
19
16
10
ns
ns
ns
Reset to output
ns
Clock to Q
1
Unit
MHz
Test Conditions
t
PHL
ns
Clock to Q
1
t
PLH
t
PHL
Removal time
t
rem
ns
Q
n
to Q
n – 1
Pulse width
t
w
ns
pF
Test Circuit
V
CC
V
CC
Output
See Function Table
Input
Pulse Generator
Z
out
= 50
Ω
Input
Pulse Generator
Z
out
= 50
Ω
Clock
Q
1
Output
Q
12
C
L
= 50 pF
C
L
= 50 pF
Reset
Note : 1. C
L
includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 6
RENESAS [ RENESAS TECHNOLOGY CORP ]
