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SN74HC573A Datasheet Preview

SN74HC573A Datasheet

Octal Transparent D-Type Latche

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SN54HC573A, SN74HC573A
SCLS147F – DECEMBER 1982 – REVISED OCTOBER 2016
SNx4HC573A Octal Transparent D-Type Latches With 3-State Outputs
1 Features
1 Wide Operating Voltage Range from 2 V to 6 V
• High-Current 3-State Outputs Drive Bus Lines
Directly up to 15 LSTTL Loads
• Low Power Consumption: 80-µA Maximum ICC
• Typical tpd = 21 ns
• ±6-mA Output Drive at 5 V
• Low Input Current: 1 µA (Maximum)
• Bus-Structured Pinout
2 Applications
• Buffer Registers
• Bidirectional Bus Drivers
• Working Registers
3 Description
The SNx4HC573A devices are octal transparent
D-type latches that feature 3-state outputs designed
specifically for driving highly capacitive or relatively
low-impedance loads. They are particularly suitable
for implementing buffer registers, I/O ports,
bidirectional bus drivers, and working registers.
While the latch-enable (LE) input is high, the
Q outputs respond to the data (D) inputs. When LE is
low, the outputs are latched to retain the data that
was set up.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN54HC573AJ
CDIP (20)
26.92 mm × 6.92 mm
SN54HC573AW CFP (20)
13.72 mm × 6.92 mm
SN54HC573AFK LCCC (20)
8.89 mm × 8.89 mm
SN74HC573AN
PDIP (20)
25.40 mm × 6.35 mm
SN74HC573ADW SOIC (20)
12.80 mm × 7.50 mm
SN74HC573ADB SSOP (20)
7.20 mm × 5.30 mm
SN74HC573APW TSSOP (20)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1
OE
11
LE
Logic Diagram (Positive Logic)
C1
2
1D
1D
19
1Q
To Seven Other Channels
Copyright © 2016, Texas Instruments Incorporated
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.
On products compliant to MIL-PRF-38535, all parameters are
tested unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.




etcTI

SN74HC573A Datasheet Preview

SN74HC573A Datasheet

Octal Transparent D-Type Latche

No Preview Available !

SN54HC573A, SN74HC573A
SCLS147F – DECEMBER 1982 – REVISED OCTOBER 2016
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 Timing Requirements ................................................ 6
6.7 Switching Characteristics .......................................... 6
6.8 Typical Characteristics .............................................. 8
7 Parameter Measurement Information .................. 9
8 Detailed Description ............................................ 10
8.1 Overview ................................................................. 10
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 10
8.4 Device Functional Modes........................................ 10
9 Application and Implementation ........................ 11
9.1 Application Information............................................ 11
9.2 Typical Application .................................................. 11
10 Power Supply Recommendations ..................... 12
11 Layout................................................................... 12
11.1 Layout Guidelines ................................................. 12
11.2 Layout Example .................................................... 12
12 Device and Documentation Support ................. 13
12.1 Documentation Support ........................................ 13
12.2 Related Links ........................................................ 13
12.3 Receiving Notification of Documentation Updates 13
12.4 Community Resources.......................................... 13
12.5 Trademarks ........................................................... 13
12.6 Electrostatic Discharge Caution ............................ 13
12.7 Glossary ................................................................ 13
13 Mechanical, Packaging, and Orderable
Information ........................................................... 13
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (September 2003) to Revision F
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section .................................................................................................. 1
• Deleted Ordering Information table; see POA at the end of the data sheet........................................................................... 1
• Changed Package thermal impedance, RθJA, values from 70 to 92.5 (DB), from 58 to 78.3 (DW), from 69 to 49.1
(N), and from 83 to 101.1 (PW) .............................................................................................................................................. 5
2
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Copyright © 1982–2016, Texas Instruments Incorporated
Product Folder Links: SN54HC573A SN74HC573A



Part Number SN74HC573A
Description Octal Transparent D-Type Latche
Maker etcTI
Total Page 3 Pages
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