HD74HC74
Switching Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25°C
Item
Hold time
Symbol V
CC
(V)
t
h
2.0
4.5
6.0
Removal time
t
rem
2.0
4.5
6.0
2.0
4.5
6.0
Output rise/fall
time
Input capacitance
t
TLH
, t
THL
2.0
4.5
6.0
—
Min
5
5
5
25
5
4
80
16
14
—
—
—
—
Typ
—
0
–5
—
—
—
—
8
—
—
5
—
5
Max
—
—
—
—
—
—
—
—
—
75
15
13
10
Ta = –40 to +85°C
Min
5
5
5
31
6
5
100
20
17
—
—
—
—
Max
—
—
—
—
—
—
—
—
—
95
19
16
10
ns
ns
Preset, Clear to Clock
Unit
ns
Test Conditions
Clock to Data
Pulse width
t
w
ns
Clock, Preset, Clear
Cin
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
PR
D
Clear
Q
C
L
= 50 pF
Output
Q
C
L
= 50 pF
Note: C
L
includes the probe and jig capacitance.
Rev.2.00, Oct 06, 2005 page 4 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
