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SN54LV74A Datasheet Preview

SN54LV74A Datasheet

Dual Positive-Edge-Triggered D-Type Flip-Flop

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SN54LV74A, SN74LV74A
SCLS381M – AUGUST 1997 – REVISED MARCH 2015
SNx4LV74A Dual Positive-Edge-Triggered D-Type Flip-Flops
1 Features
1 2-V to 5.5-V VCC Operation
• Maximum tpd of 8.5 ns at 5 V
• Typical VOLP (Output Ground Bounce)
< 0.8 V at VCC = 3.3 V, TA = 25°C
• Typical VOHV (Output VOH Undershoot)
> 2.3 V at VCC = 3.3 V, TA = 25°C
• Support Mixed-Mode Voltage Operation on
All Ports
• Ioff Supports Partial-Power-Down
Mode Operation
• Latch-up Performance Exceeds 250 mA
Per JESD 17
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 500-V Charged-Device Model (C101)
2 Applications
• Programmable Logic Controller (PLC)
• DCS and PAC: Analog Input Module
• AV Receiver
• Server PSU
• STB, DVR, and Streaming Media (Withdraw)
• Server Motherboard
3 Description
These dual positive-edge-triggered D-type flip-flops
are designed for 2-V to 5.5-V VCC operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
VQFN (14)
3.50 mm × 3.50 mm
SOIC (14)
8.65 mm × 3.91 mm
SN74LV74A
SOP (14)
10.30 mm × 5.30 mm
SSOP (14)
6.20 mm × 5.30 mm
TSSOP (14)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram, Each Flip-Flop
(Positive Logic)
PRE
CLK
C
C
C
Q
TG
C
C
D
TG
TG
C
C
TG
Q
C
C
C
CLR
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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.




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SN54LV74A Datasheet Preview

SN54LV74A Datasheet

Dual Positive-Edge-Triggered D-Type Flip-Flop

No Preview Available !

SN54LV74A, SN74LV74A
SCLS381M – AUGUST 1997 – REVISED MARCH 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....................... 5
6.4 Electrical Characteristics........................................... 5
6.5 Switching Characteristics: VCC = 2.5 V ± 0.2 V ........ 6
6.6 Switching Characteristics: VCC = 3.3 V ± 0.3 V ........ 6
6.7 Switching Characteristics: VCC = 5 V ± 0.5 V ........... 6
6.8 Timing Requirements: VCC = 2.5 V ± 0.2 V .............. 6
6.9 Timing Requirements: VCC = 3.3 V ± 0.3 V .............. 7
6.10 Timing Requirements: VCC = 5 V ± 0.5 V ............... 7
6.11 Noise Characteristics .............................................. 7
6.12 Operating Characteristics........................................ 7
6.13 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........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application ................................................. 12
10 Power Supply Recommendations ..................... 14
11 Layout................................................................... 14
11.1 Layout Guidelines ................................................. 14
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Documentation Support ........................................ 15
12.2 Trademarks ........................................................... 15
12.3 Electrostatic Discharge Caution ............................ 15
12.4 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision L (April 2005) to Revision M
Page
• Added Pin Configuration and Functions section, 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
• Removed Ordering Information table. .................................................................................................................................... 1
2
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SN74LV74A
Copyright © 1997–2015, Texas Instruments Incorporated


Part Number SN54LV74A
Description Dual Positive-Edge-Triggered D-Type Flip-Flop
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