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CD74HC4538-Q1

ACTIVE

Automotive Catalog High Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrators

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Data sheet

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NEW TPUL2G122A-Q1 ACTIVE 2ch Monostable RC Configurable Pulse Generator New Pin2Pin replacement with wider supply voltage range.

CD74HC4538-Q1

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Data sheet Order now

Product details

Number of channels 2 Technology family HC Input type Standard CMOS Output type Push-Pull Supply current (µA) 80 IOL (max) (mA) 5.2 IOH (max) (mA) -5.2 Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode, Retriggerable Operating temperature range (°C) -40 to 125 Rating Automotive
Number of channels 2 Technology family HC Input type Standard CMOS Output type Push-Pull Supply current (µA) 80 IOL (max) (mA) 5.2 IOH (max) (mA) -5.2 Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode, Retriggerable Operating temperature range (°C) -40 to 125 Rating Automotive
SOIC (D) 16 59.4 mm² (9.9 mm × 6 mm) TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Qualified for automotive applications
  • Qualified for automotive applications retriggerable/resettable capability
  • Trigger and reset propagation delays independent of RX, CX
  • Triggering from the leading or trailing edge
  • Q and Q buffered outputs available
  • Separate resets
  • Wide range of output pulse widths
  • Schmitt-Trigger input on A and B inputs
  • Retrigger time is independent of CX
  • Fanout (over temperature range)
    • Standard outputs 10 LSTTL loads
    • Bus driver outputs 15 LSTTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LSTTL logic ICs
  • VCC voltage = 2V to 6V
  • High noise immunity NIL or NIH = 30% of VCC, VCC = 5V
  • Qualified for automotive applications
  • Qualified for automotive applications retriggerable/resettable capability
  • Trigger and reset propagation delays independent of RX, CX
  • Triggering from the leading or trailing edge
  • Q and Q buffered outputs available
  • Separate resets
  • Wide range of output pulse widths
  • Schmitt-Trigger input on A and B inputs
  • Retrigger time is independent of CX
  • Fanout (over temperature range)
    • Standard outputs 10 LSTTL loads
    • Bus driver outputs 15 LSTTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LSTTL logic ICs
  • VCC voltage = 2V to 6V
  • High noise immunity NIL or NIH = 30% of VCC, VCC = 5V

The CD74HC4538 is a dual retriggerable/resettable precision monostable multivibrator for fixed-voltage timing applications.

The CD74HC4538 is a dual retriggerable/resettable precision monostable multivibrator for fixed-voltage timing applications.

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Technical documentation

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* Data sheet CD74HC4538-Q1 Automotive High-Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator datasheet (Rev. B) PDF | HTML Aug 28, 2024
Application note Detect and Reset an Unresponsive Controller PDF | HTML Mar 21, 2023
Application note Designing With the SN74LVC1G123 Monostable Multivibrator (Rev. A) PDF | HTML Mar 13, 2020

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
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Simulation model

CD74HC4538-Q1 PSpice Model

SCLM120.ZIP (36 KB) - PSpice model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
SOIC (D) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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