SN74LV123A-Q1_16 Datasheet, PDF (1/24 Pages) Texas Instruments – Dual Retriggerable Monostable Multivibrator With Schmitt-Trigger Inputs

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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 V_OLP (Output Ground Bounce)
<0.8 V at V_CC = 3.3 V, T_A = 25°C
• Typical V_OHV (Output V_OH Undershoot)
>2.3 V at V_CC = 3.3 V, T_A = 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
• I_off 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
V_CC 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)
R_ext/C_ext
A
C_ext
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. PRODUCTION DATA.