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74HCT4538 - Dual retriggerable precision monostable multivibrator

Download the 74HCT4538 datasheet PDF. This datasheet also covers the 74HC4538 variant, as both devices belong to the same dual retriggerable precision monostable multivibrator family and are provided as variant models within a single manufacturer datasheet.

Description

The 74HC4538; 74HCT4538 is a dual retriggerable-resettable monostable multivibrator.

Features

  • Tolerant of slow trigger rise and fall times.
  • Separate reset inputs.
  • Triggering from falling or rising edge.
  • Complies with JEDEC standard no. 7A.
  • Input levels:.
  • For 74HC4538: CMOS level.
  • For 74HCT4538: TTL level.
  • ESD protection:.
  • HBM JESD22-A114F exceeds 2000 V.
  • MM JESD22-A115-A exceeds 200 V.
  • Multiple package options.
  • Specified from 40 C to +85 C and from 40 C to +125 C NXP Semiconductors 74HC4538; 74HCT4538 Dual retriggerable.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (74HC4538_NXPSemiconductors.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 74HCT4538
Manufacturer NXP Semiconductors
File Size 208.27 KB
Description Dual retriggerable precision monostable multivibrator
Datasheet download datasheet 74HCT4538 Datasheet

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Other Datasheets by NXP Semiconductors

Part Number Description
74HCT4510 BCD up/down counter
74HCT4511 BCD to 7-segment latch/decoder/driver
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74HCT4515 4-to-16 line decoder/demultiplexer
74HCT4516 Binary up/down counter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
74HC4538; 74HCT4538 Dual retriggerable precision monostable multivibrator Rev. 4 — 24 February 2016 Product data sheet 1. General description The 74HC4538; 74HCT4538 is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has two trigger/retrigger inputs (nA and nB), a direct reset input (nCD), two complementary outputs (nQ and nQ), and two pins (nREXT/CEXT and nCEXT) for connecting the external timing components CEXT and REXT. Typical pulse width variation over temperature range is ± 0.2%. The device may be triggered by either the positive or the negative edges of the input pulse. The duration and accuracy of the output pulse are determined by the external timing components CEXT and REXT. The output pulse width (T) is equal to 0.7  REXT  CEXT.
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