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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 1/9頁 |
| 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
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
8-Bit Serial-In, Parallel-Out Shift
High-Current 3-State Outputs Can Drive up
to 15 LSTTL Loads
Shift Register Has Direct Clear
Package Options Include Plastic
Small-Outline (D) and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J)
300-mil DIPs
description
The ’HC595 contain an 8-bit serial-in, parallel-out
shift register that feeds an 8-bit D-type storage
register. The storage register has parallel 3-state
outputs. Separate clocks are provided for both the
shift and storage register. The shift register has a
direct overriding clear (SRCLR) input, serial
(SER) input, and serial outputs for cascading.
Both the shift register clock (RCLK) and storage
register clock (SRCLK) are positive-edge trig-
gered. If both clocks are connected together, the
shift register is always one clock pulse ahead of
the storage register.
The SN54HC595 is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74HC595 is characterized for
operation from –40
°
C to 85
°
C.
Copyright
1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SN54HC595 . . . J OR W PACKAGE
SN74HC595 . . . D OR N PACKAGE
(TOP VIEW)
SN54HC595 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
H
GND
V
CC
Q
A
SER
OE
RCLK
SRCLK
SRCLR
Q
H
′
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
SER
OE
NC
RCLK
SRCLK
Q
D
Q
E
NC
Q
F
Q
G
Q
N
S
H
Q
G
N
C
Q
B
V
C
Q
A
H
Q
′
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