D
Operating Range 2-V to 5.5-V V
D
8-Bit Serial-In, Parallel-Out Shift
D
Shift Register Has Direct Clear
D
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D
ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
description/ordering information
The ’AHC595 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 registers. The shift
register has a direct overriding clear (SRCLR)
input, serial (SER) input, and a serial output for
cascading. When the output-enable (OE) input is
high, all outputs, except Q
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.
T A
PDIP − N
SOIC − D
SOIC − D
−40 C to 85 C
−40°C to 85°C
SOP − NS
SSOP − DB
TSSOP − PW
TSSOP − PW
CDIP − J
CFP − W
−55°C to 125°C
−55 C to 125 C
LCCC − FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
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.
SN54AHC595 . . . J OR W PACKAGE
CC
SN74AHC595 . . . D, DB, N, NS, OR PW PACKAGE
SN54AHC595 . . . FK PACKAGE
Q
Q
NC
, are in the
H′
Q
Q
NC − No internal connection
ORDERING INFORMATION
ORDERABLE
PACKAGE †
PART NUMBER
Tube
SN74AHC595N
Tube
SN74AHC595D
Tape and reel
SN74AHC595DR
Tape and reel
SN74AHC595NSR
Tape and reel
SN74AHC595DBR
Tube
SN74AHC595PW
Tape and reel
SN74AHC595PWR
Tube
SNJ54AHC959J
Tube
SNJ54AHC595W
Tube
SNJ54AHC595FK
•
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SCLS373I − MAY 1997 − REVISED JUNE 2004
(TOP VIEW)
Q
V
1
16
B
CC
Q
Q
2
15
C
A
Q
SER
3
14
D
Q
OE
4
13
E
Q
RCLK
5
12
F
Q
6
11
SRCLK
G
Q
7
10
SRCLR
H
GND
8
9
Q
H′
(TOP VIEW)
3 2 1 20 19
SER
4
18
D
OE
5
17
E
NC
16
6
RCLK
15
7
F
14
SRCLK
8
G
9 10 11 12 13
TOP-SIDE
MARKING
SN74AHC595N
AHC595
AHC595
AHC595
HA595
HA595
HA595
SNJ54AHC595J
SNJ54AHC595W
SNJ54AHC595FK
Copyright 2004, Texas Instruments Incorporated
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