參數(shù)資料
型號(hào)： HD74HC597
廠商： Hitachi,Ltd.
英文描述： 8-bit Latch/Shift Register
中文描述： 8位鎖存器/移位寄存器
文件頁(yè)數(shù)： 5/10頁(yè)
文件大?。?/td> 57K
代理商： HD74HC597
HD74HC597
5
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Maximum clock
f
max
—
—
5
—
4
MHz
frequency
4.5
—
—
27
—
21
6.0
—
—
31
—
24
Propagation delay t
PLH
time
2.0
—
—
175 —
220
ns
SCK or
SLoad
or
SCLR
to Q
H
’
t
PHL
4.5
—
14
35
—
44
6.0
—
—
30
—
37
2.0
—
—
210 —
265
ns
RCK to Q
H
’
4.5
—
17
42
—
53
6.0
—
—
36
—
45
Removal time
t
rem
2.0
100 —
—
125
—
ns
4.5
20
—
–
25
—
6.0
17
—
—
21
—
Setup time
t
su
2.0
100 —
—
125
—
ns
RCK to SCK
4.5
20
—
—
25
—
6.0
17
—
—
21
—
2.0
100 —
—
125
—
ns
SER to SCK
4.5
20
1
—
25
—
6.0
17
—
—
21
—
2.0
100 —
—
125
—
ns
Data to RCK
4.5
20
0
—
25
—
6.0
17
—
—
21
—
Hold time
t
h
2.0
5
—
—
5
—
ns
SCK to S
A
4.5
5
—
—
5
—
6.0
5
—
—
5
—
2.0
5
—
—
5
—
ns
LCK to Data
4.5
5
—
—
5
—
6.0
5
—
—
5
—
Pulse width
t
w
2.0
80
—
—
100
—
ns
4.5
16
7
—
20
—
6.0
14
—
—
17
—
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