Shift Registers. SN74AHC595 Datasheet

SN74AHC595 Registers. Datasheet pdf. Equivalent

Part SN74AHC595
Description 8-Bit Shift Registers
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SN74AHC595
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SN74AHC595
SCLS373K – MAY 1996 – REVISED SEPTEMBER 2015
SN74AHC595 8-Bit Shift Registers With 3-State Output Registers
1 Features
1 Operating Range: 2-V to 5.5-V VCC
• 8-Bit Serial-In, Parallel-Out Shift
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
2 Applications
• Network Switches
• Power Infrastructures
• LED Displays
• Servers
3 Description
The SN74AHC595 device contains 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, a serial
(SER) input, and a serial output for cascading. When
the output-enable (OE) input is high, all outputs
except QHare in the high-impedance state.
PART NUMBER
SN74AHC595N
SN74AHC595D
SN74AHC595DB
SN74AHC595PW
Device Information
PACKAGE
BODY SIZE (NOM)
PDIP (16)
19.31 mm × 6.35 mm
SOIC (16)
9.90 mm × 3.90 mm
SSOP (16)
6.20 mm × 5.30 mm
TSSOP (16)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
OE
RCLK
13
12
10
SRCLR
11
SRCLK
14
SER
Logic Diagram (Positive Logic)
1D Q
C1
R
3D
C3 Q
15
QA
2D Q
C2
R
3D
C3 Q
1
QB
2D Q
C2
R
3D
C3 Q
2
QC
2D Q
C2
R
3D
C3 Q
3
QD
2D Q
C2
R
2D Q
C2
R
2D Q
C2
R
3D
C3 Q
3D
C3 Q
3D
C3 Q
4
QE
5
QF
6
QG
2D Q
C2
R
3D
C3 Q
7
QH
9
QH
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.



SN74AHC595
SN74AHC595
SCLS373K – MAY 1996 – REVISED SEPTEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Operating Characteristics.......................................... 6
6.7 Timing Requirements: VCC = 3.3 V ± 0.3 V .............. 6
6.8 Timing Requirements: VCC = 5 V ± 0.5 V ................. 7
6.9 Switching Characteristics: VCC = 3.3 V ± 0.3 V ........ 7
6.10 Switching Characteristics: VCC = 5 V ± 0.5 V ......... 9
6.11 Typical Characteristics .......................................... 11
7 Parameter Measurement Information ................ 12
8 Detailed Description ............................................ 13
8.1 Overview ................................................................. 13
8.2 Functional Block Diagram ....................................... 13
8.3 Feature Description................................................. 14
8.4 Device Functional Modes........................................ 14
9 Application and Implementation ........................ 15
9.1 Application Information............................................ 15
9.2 Typical Application .................................................. 15
10 Power Supply Recommendations ..................... 17
11 Layout................................................................... 17
11.1 Layout Guidelines ................................................. 17
11.2 Layout Example .................................................... 17
12 Device and Documentation Support ................. 18
12.1 Documentation Support ........................................ 18
12.2 Community Resources.......................................... 18
12.3 Trademarks ........................................................... 18
12.4 Electrostatic Discharge Caution ............................ 18
12.5 Glossary ................................................................ 18
13 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision J (July 2013) to Revision K
Page
• Deleted SN54AHC595 device from the data sheet ............................................................................................................... 1
• Added Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table, Detailed
Description section, Applications and Implementation section, Power Supply Recommendations section, Layout
section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ...... 1
Changes from Revision I (June 2004) to Revision J
Page
• Changed Updated document to new TI data sheet format. ................................................................................................... 1
• Extended operating temperature range to 125°C................................................................................................................... 4
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