參數(shù)資料
型號(hào)： SN54HC595W
廠商： Texas Instruments, Inc.
英文描述： 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS
中文描述： 8位移位寄存器3態(tài)輸出寄存器
文件頁(yè)數(shù)： 6/9頁(yè)
文件大小： 139K
代理商： SN54HC595W
SN54HC595, SN74HC595
8-BIT SHIFT REGISTERS
WITH 3-STATE OUTPUT REGISTERS
SCLS041B – DECEMBER 1982 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
MIN
0
SN54HC595
MIN
0
SN74HC595
MIN
0
UNIT
MAX
MAX
4.2
MAX
2 V
6
5
fclock
Clock frequency
4.5 V
0
31
0
21
0
25
MHz
6 V
0
36
0
25
0
29
2 V
80
120
100
SRCLK or RCLK high or low
4.5 V
16
24
20
tw
Pulse duration
6 V
14
20
17
ns
2 V
80
120
100
SRCLR low
4.5 V
16
24
20
6 V
14
20
17
2 V
100
150
125
SER before SRCLK
↑
4.5 V
20
30
25
6 V
17
25
21
2 V
75
113
94
SRCLK
↑
before RCLK
↑
4.5 V
15
23
19
tsu
Setup time
6 V
13
19
16
ns
2 V
50
75
65
SRCLR low before RCLK
↑
4.5 V
10
15
13
6 V
9
13
11
2 V
50
75
60
SRCLR high (inactive) before SRCLK
↑
4.5 V
10
15
12
6 V
9
13
11
2 V
0
0
0
th
Hold time, SER after SRCLK
↑
4.5 V
6 V
0
0
0
0
0
0
ns
This setup time ensures the output register sees stable data from the shift-register outputs. The clocks may be tied together, in which case the
output register is one clock pulse behind the shift register.
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