參數(shù)資料
型號(hào): CD74HC595SM
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): 7/16頁(yè)
文件大?。?/td> 467K
代理商: CD74HC595SM
SCHS353 JANUARY 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
TA = -55
°
C TO
125
°
C
TA = -40
°
C TO
85
°
C
UNIT
MIN
MAX
MIN
MAX
4.2
MIN
MAX
2 V
6
5
fclock
Clock frequency
4.5 V
31
21
25
MHz
6 V
36
25
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 allows the storage register to receive stable data from the shift register. The clocks can be tied together, in which case the shift
register is one clock pulse ahead of the storage register.
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