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参数资料
| 型号： | SNJ54HC595FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 计数移位寄存器 |
| 英文描述： | HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 1/25页 |
| 文件大小： | 817K |
| 代理商： | SNJ54HC595FKR |
SN54HC595...J OR W PACKAGE
SN74HC595...D, DB, DW, N, NS, OR PW 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
B
C
D
E
F
G
H
Q
GND
VCC
Q
SER
A
OE
RCLK
SRCLK
SRCLR
QH′
3
2
1
2 0
1 9
9 10
11
12 1 3
4
5
6
7
8
18
17
16
15
14
SER
OE
NC
RCLK
SRCLK
Q
NC
D
E
Q
F
G
Q
NC
SRCLR
H
GND
NC
C
Q
B
V
CC
Q
A
Q
H
'
Q
www.ti.com
SCLS041H – DECEMBER 1982 – REVISED NOVEMBER 2009
8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS
1
FEATURES
8-Bit Serial-In, Parallel-Out Shift
Wide Operating Voltage Range of 2 V to 6 V
High-Current 3-State Outputs Can Drive Up To
15 LSTTL Loads
Low Power Consumption: 80-
μA (Max) ICC
tpd = 13 ns (Typ)
±6-mA Output Drive at 5 V
Low Input Current: 1
μA (Max)
Shift Register Has Direct Clear
DESCRIPTION
The 'HC595 devices 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. When the
output-enable (OE) input is high, the outputs are in
the high-impedance state.
Both the shift register clock (SRCLK) and storage
register clock (RCLK) are positive-edge triggered. If
both clocks are connected together, the shift register
always is one clock pulse ahead of the storage
register.
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright 1982–2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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