Specification	SN74AHC257BQBR

Circuit [custom]	4
Circuit [custom]	2:1
Current - Output High, Low [custom]	8 mA
Current - Output High, Low [custom]	8 mA
Independent Circuits	1
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	16-WFQFN Exposed Pad
Supplier Device Package	16-WQFN (2.5x3.5)
Type	Data Selector/Multiplexer
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2 V
Voltage Supply Source	Single Supply

SN74AHC257 Series

Quadruple 2-line to 1-line data selector/multiplexer with 3-state outputs

Part	Operating Temperature [Max]	Operating Temperature [Min]	Independent Circuits	Mounting Type	Circuit [custom]	Circuit [custom]	Voltage Supply Source	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Supplier Device Package	Package / Case	Voltage - Supply [Max]	Voltage - Supply [Min]	Type
Texas Instruments SN74AHC257PWR
Texas Instruments SN74AHC257BQBR	125 °C	-40 °C	1	Surface Mount	4	2:1	Single Supply	8 mA	8 mA	16-WQFN (2.5x3.5)	16-WFQFN Exposed Pad	5.5 V	2 V	Data Selector/Multiplexer

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.54
		10	$ 0.46
		25	$ 0.43
		100	$ 0.34
		250	$ 0.32
		500	$ 0.27
		1000	$ 0.21
	Digi-Reel®	1	$ 0.54
		10	$ 0.46
		25	$ 0.43
		100	$ 0.34
		250	$ 0.32
		500	$ 0.27
		1000	$ 0.21
	Tape & Reel (TR)	3000	$ 0.19
		6000	$ 0.18
		15000	$ 0.16
		30000	$ 0.16
Texas Instruments	LARGE T&R	1	$ 0.35
		100	$ 0.24
		250	$ 0.18
		1000	$ 0.12

Description

General part information

SN74AHC257 Series

The SN74AHC257 is a quad 2-input data selector/multiplexer with 3-state outputs. All channels are controlled by shared A/B and OE inputs.

Documents

Technical documentation and resources

Datasheet

TI IBIS File Creation, Validation, and Distribution Processes

Application note

Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A)

Application note

Benefits & Issues of Migrating 5-V and 3.3-V Logic to Lower-Voltage Supplies (Rev. A)

Application note

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

Application note

Military Advanced High-Speed CMOS Logic (AHC/AHCT) (Rev. C)

Product overview

SN74AHC257BQBR

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SN74AHC257BQBR

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Technical Specifications

SN74AHC257 Series

Pricing

Description

SN74AHC257 Series

Documents

Datasheet

TI IBIS File Creation, Validation, and Distribution Processes

Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A)

Live Insertion

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

LOGIC Pocket Data Book (Rev. B)

How to Select Little Logic (Rev. A)

Logic Guide (Rev. AB)

Design Summary for WCSP Little Logic (Rev. B)

Implications of Slow or Floating CMOS Inputs (Rev. E)

AHC/AHCT Designer's Guide February 2000 (Rev. D)

Advanced High-Speed CMOS (AHC) Logic Family (Rev. C)

Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices

Texas Instruments Little Logic Application Report

CMOS Power Consumption and CPD Calculation (Rev. B)

Little Logic Guide 2018 (Rev. G)

Selecting the Right Level Translation Solution (Rev. A)

Benefits & Issues of Migrating 5-V and 3.3-V Logic to Lower-Voltage Supplies (Rev. A)

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

Military Advanced High-Speed CMOS Logic (AHC/AHCT) (Rev. C)

SN74AHC257 Series