SN74LV123A-Q1 Monostable Multivibrators Datasheet

SN74LV123A-Q1 Datasheet, PDF, Equivalent


Part Number

SN74LV123A-Q1

Description

Dual Retriggerable Monostable Multivibrators

Manufacture

etcTI

Total Page 25 Pages
Datasheet
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SN74LV123A-Q1
SCLS467F – FEBRUARY 2003 – REVISED JUNE 2016
SN74LV123A-Q1 Dual Retriggerable Monostable Multivibrator With Schmitt-Trigger Inputs
1 Features
1 Qualified for Automotive Applications
• 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
• Supports Mixed-Mode Voltage Operation on All
Ports
• Schmitt-Trigger Circuitry on A, B, and CLR Inputs
for Slow Input Transition Rates
• Edge Triggered From Active-High or Active-Low
Gated Logic Inputs
• Ioff Supports Partial-Power-Down Mode Operation
• Retriggerable for Very Long Output Pulses, up to
100% Duty Cycle
• Overriding Clear Terminates Output Pulse
• Glitch-Free Power-Up Reset on Outputs
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)
2 Applications
• Automotive
• Infotainment Systems
• DVD and Blu-ray Players
• GPS Navigation Devices
• Advanced Driver Assistance Systems
• Automotive Body and Lighting
3 Description
The SN74LV123A-Q1 device is a dual retriggerable
monostable multivibrator designed for 2-V to 5.5-V
VCC operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN74LV123A-Q1 TSSOP (16)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Logic Diagram, Each Multivibrator (Positive Logic)
Rext/Cext
A Cext
BQ
CLR
RQ
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.

SN74LV123A-Q1
SN74LV123A-Q1
SCLS467F – FEBRUARY 2003 – REVISED JUNE 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 — VCC = 3.3 V ± 0.3 V........... 6
6.7 Timing Requirements — VCC = 5 V ± 0.5 V.............. 6
6.8 Switching Characteristics — VCC = 3.3 V ± 0.3 V..... 6
6.9 Switching Characteristics — VCC = 5 V ± 0.5 V........ 7
6.10 Operating Characteristics........................................ 7
6.11 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 ..................... 16
11 Layout................................................................... 16
11.1 Layout Guidelines ................................................. 16
11.2 Layout Example .................................................... 16
12 Device and Documentation Support ................. 17
12.1 Receiving Notification of Documentation Updates 17
12.2 Community Resources.......................................... 17
12.3 Trademarks ........................................................... 17
12.4 Electrostatic Discharge Caution ............................ 17
12.5 Glossary ................................................................ 17
13 Mechanical, Packaging, and Orderable
Information ........................................................... 17
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (December 2012) to Revision F
Page
• Deleted 200-V Machine Model (A115-A) from Features ........................................................................................................ 1
• Added 'Infotainment Systems' application. ............................................................................................................................ 1
• Added 'DVD and Blu-ray Players' application. ...................................................................................................................... 1
• Added 'GPS Navigation Devices' application. ....................................................................................................................... 1
• Added 'Advanced Driver Assistance Systems' application. ................................................................................................... 1
• Added 'Automotive Body and Lighting' application. ............................................................................................................... 1
• Updated the data sheet to meet the new TI data sheet standard ......................................................................................... 1
• Deleted Ordering Information table from the data sheet ........................................................................................................ 1
• Moved extraneous description details to Overview section.................................................................................................... 1
• Added Device Information table, ESD Ratings table, Pin Configuration and Functions section, Detailed Description
section, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, Receiving Notification of Documentation Updates section, and Mechanical,
Packaging, and Orderable Information section ...................................................................................................................... 1
• Added logic diagram for front page image ............................................................................................................................. 1
• Added Operating virtual junction temperature, TJ to Absolute Maximum Ratings table ........................................................ 4
• Changed Maximum Operating free-air temperature from 105 to 125 ................................................................................... 5
Changes from Revision D (April 2008) to Revision E
Page
• Added Thermal Information table ........................................................................................................................................... 5
• Added Caution section describing power-down timing......................................................................................................... 11
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Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN74LV123A-Q1 SCLS467F – F EBRUARY 2003 – REVISED JUNE 2016 SN74 LV123A-Q1 Dual Retriggerable Monostable Multivibrator With Schmitt-Trigger Inp uts 1 Features •1 Qualified for Auto motive Applications • Typical VOLP (O utput Ground Bounce) <0.8 V at VCC = 3. 3 V, TA = 25°C • Typical VOHV (Outpu t VOH Undershoot) >2.3 V at VCC = 3.3 V , TA = 25°C • Supports Mixed-Mode Vo ltage Operation on All Ports • Schmit t-Trigger Circuitry on A, B, and CLR In puts for Slow Input Transition Rates Edge Triggered From Active-High or Ac tive-Low Gated Logic Inputs • Ioff Su pports Partial-Power-Down Mode Operatio n • Retriggerable for Very Long Outpu t Pulses, up to 100% Duty Cycle • Ove rriding Clear Terminates Output Pulse Glitch-Free Power-Up Reset on Output s • ESD Protection Exceeds JESD 22 2000-V Human-Body Model (A114-A) – 1000-V Charged-Device Model (C101) 2 Applications • Automotive • Infotainment Systems • DVD an.
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