HD74HC393
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
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
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
2.0
4.5
6.0
2.0
4.5
6.0
Removal time
t
h
2.0
4.5
6.0
2.0
4.5
6.0
—
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
80
16
14
50
10
9
—
—
—
—
Typ
—
—
—
—
16
—
—
20
—
—
24
—
—
28
—
—
21
—
—
—
—
—
—
—
—
5
—
5
Max
5
25
29
120
24
20
185
37
31
220
44
37
260
52
44
150
30
28
—
—
—
—
—
—
75
15
13
10
Ta = –40 to +85°C
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
100
20
17
65
13
11
—
—
—
—
Max
4
20
24
150
30
26
230
46
39
275
55
47
325
65
55
190
38
33
—
—
—
—
—
—
95
19
16
10
pF
ns
Clear to clock
ns
Clear to Q
A
, Q
B
, Q
C
, Q
D
ns
Clock to Q
C
ns
Clock to Q
A
Unit
MHz
Test Conditions
ns
Clock to Q
B
ns
Clock to Q
D
Pulse width
t
w
ns
Clock, clear
Output rise/fall
time
Input capacitance
t
TLH
t
THL
Cin
ns
Test Circuit
V
CC
V
CC
Output
Q
A
See Function Table
Input
Pulse Generator
Z
out
= 50
Ω
Input
Pulse Generator
Z
out
= 50
Ω
A
Q
B
Q
C
Clear
Q
D
Output
Output
Output
C
L
= 50 pF
C
L
= 50 pF
C
L
= 50 pF
C
L
= 50 pF
Note : 1. C
L
includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 6
RENESAS [ RENESAS TECHNOLOGY CORP ]
