Datasheet Texas Instruments SN74LS639

ManufacturerTexas Instruments
SeriesSN74LS639

Octal bus transceivers

Datasheets

Datasheet
TSP

Prices

Status

SN74LS639N
Lifecycle StatusObsolete (Manufacturer has discontinued the production of the device)
Manufacture's Sample AvailabilityNo

Packaging

SN74LS639N
N1
Pin20
Package TypeN
Industry STD TermPDIP
JEDEC CodeR-PDIP-T
Width (mm)6.35
Length (mm)24.33
Thickness (mm)4.57
Pitch (mm)2.54
Max Height (mm)5.08
Mechanical DataDownload

Eco Plan

SN74LS639N
RoHSNot Compliant
Pb FreeNo

Application Notes

  • Designing with the SN54/74LS123 (Rev. A)
    PDF, 118 Kb, Revision: A, File published: Mar 1, 1997
    The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and

Model Line

Series: SN74LS639 (1)

Manufacturer's Classification

  • Semiconductors> Logic> Buffer/Driver/Transceiver> Standard Transceiver