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SN54LV123A_15 Datasheet, PDF (1/34 Pages) Texas Instruments – Dual Retriggerable Monostable Multivibrators With Schmitt-Trigger Inputs
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SN54LV123A
SN74LV123A
SCLS393Q – APRIL 1998 – REVISED AUGUST 2015
SNx4LV123A Dual Retriggerable Monostable Multivibrators With Schmitt-Trigger Inputs
1 Features
•1 2-V to 5.5-V VCC Operation
• Maximum tpd of 11 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
• 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
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class 11
• 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
• AV Receivers
• Blu-ray Players and Home Theaters
• DVD Recorders and Players
• Desktop PCs or Notebook PCs
• Digital Radio and Internet Radio Players
• Digital Video Cameras (DVC)
• Embedded PCs
• GPS: Personal Navigation Devices
• Mobile Internet Devices
• Network Attached Storage (NAS)
• Personal Digital Assistant (PDA)
• Server PSU
• Solid-State Drive (SSD): Client and Enterprise
• Video Analytics Servers
• Wireless Headsets, Keyboard, and Mice
3 Description
The 'LV123A devices are dual retriggerable
monostable multivibrators designed for 2-V to 5.5-V
VCC operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN74LV123AD
SOIC (16)
6.00 mm x 9.90 mm
SN74LV123ADB SSOP (16)
7.80 mm x 6.20 mm
SN74LV123ANS SO (16)
7.80 mm x 10.20 mm
SN74LV123APW TSSOP (16)
6.40 mm x 5.00 mm
SN74LV123ARGY VQFN (16)
3.50 mm x 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram, Each Multivibrator (Positive Logic)
Rext/Cext
A
Cext
B
Q
CLR
R
Q
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.