Texas Instruments · Buffers, Drivers, Receivers, Transceivers

SN74LS243NS

Texas Instruments Buffers, Drivers, Receivers, Transceivers

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The SN74LS243NS is a Buffers, Drivers, Receivers, Transceivers from Texas Instruments. It is listed in our Logic ICs catalog (Processors & Logic).

Key specifications of the SN74LS243NS: voltage - supply 4.5V~5.5V, number of bits per element 4, channel type Bidirectional, current - output high(ioh) 12mA, operating temperature -55°C~+125°C and current - output low(iol) 12mA.

PartnerSemi sources the SN74LS243NS for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberSN74LS243NS
ManufacturerTexas Instruments
Product typeBuffers, Drivers, Receivers, Transceivers
CategoryLogic ICs
Channel TypeBidirectional
Current - Output High(IOH)12mA
Current - Output Low(IOL)12mA
Input typeSchmitt trigger
Logic Family74LS
Number of Bits per Element4
Operating Temperature-55°C~+125°C
Propagation Delay2ns@5V,50pF
Voltage - Supply4.5V~5.5V
output typeTri-State

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments Logic ICs

Part numberTypePackageKey specs
SN74LS241 logic IC
SN74LS241NSR Buffers, Drivers, Receivers, Transceivers SOP-20-208mil 4.75V~5.25V8
SN74LS243 logic IC
SN74LS243NE4 Buffers, Drivers, Receivers, Transceivers PDIP-14 4.75V~5.25VBidirectional
SN74LS244 logic IC
SN74LS244DBR Buffers, Drivers, Receivers, Transceivers SSOP-20-208mil 4.75V~5.25V4
SN74LS244DWR Buffers, Drivers, Receivers, Transceivers SOIC-20-300mil 4.75V~5.25V4
SN74LS244N Buffers, Drivers, Receivers, Transceivers DIP-20 4.75V~5.25V4

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
SN74LS670N onsemi Specialty Logic PDIP-16
SN74LS00N(LX) lingxingic Logic Gates DIP-14 2V~6V5.2mA
SN74LS01N(LX) lingxingic Logic Gates DIP-14 2V~6V5.2mA
SN74LS02N(LX) lingxingic Logic Gates DIP-14 2V~6V5.2mA
SN74LS04N(LX) lingxingic Inverters DIP-14 2V~6V5.2mA
SN74LS06N(LX) lingxingic Inverters DIP-14 2V~6V5.2mA
SN74LS08N(LX) lingxingic Logic Gates DIP-14 2V~6V5.2mA
SN74LS10N(LX) lingxingic Logic Gates DIP-14 2V~6V5.2mA

Frequently asked questions

What is the SN74LS243NS?

The SN74LS243NS is a Buffers, Drivers, Receivers, Transceivers from Texas Instruments. It is listed in our Logic ICs catalog (Processors & Logic).

What are the specifications of the SN74LS243NS?

Channel Type: Bidirectional; Current - Output High(IOH): 12mA; Current - Output Low(IOL): 12mA; Input type: Schmitt trigger; Logic Family: 74LS; Number of Bits per Element: 4; Operating Temperature: -55°C~+125°C; Propagation Delay: 2ns@5V,50pF; Voltage - Supply: 4.5V~5.5V; output type: Tri-State.

Which part numbers are similar to the SN74LS243NS?

Similar part numbers in our catalog include SN74LS670N (onsemi), SN74LS00N(LX) (lingxingic), SN74LS01N(LX) (lingxingic), SN74LS02N(LX) (lingxingic), SN74LS04N(LX) (lingxingic) and SN74LS06N(LX) (lingxingic). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the SN74LS243NS?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=SN74LS243NS&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.