Specification	SN74AHC540DW

Current - Output High, Low [custom]	8 mA
Current - Output High, Low [custom]	8 mA
Logic Type	Inverting, Buffer
Mounting Type	Surface Mount
Number of Bits per Element	8
Number of Elements	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Output Type	3-State
Package / Case	20-SOIC
Package / Case [y]	0.295 in
Package / Case [y]	7.5 mm
Supplier Device Package	20-SOIC
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2 V

SN74AHC540 Series

8-ch, 2-V to 5.5-V inverters with 3-state outputs

Part	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Logic Type	Package / Case	Package / Case [y]	Package / Case [y]	Mounting Type	Number of Elements	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Output Type	Operating Temperature [Min]	Operating Temperature [Max]	Number of Bits per Element	Package / Case [x]	Package / Case	Package / Case
Texas Instruments SN74AHC540DW	8 mA	8 mA	Buffer Inverting	20-SOIC	0.295 in	7.5 mm	Surface Mount	1	5.5 V	2 V	20-SOIC	3-State	-40 °C	125 °C	8
Texas Instruments SN74AHC540PWR	8 mA	8 mA	Buffer Inverting	20-TSSOP	4.4 mm		Surface Mount	1	5.5 V	2 V	20-TSSOP	3-State	-40 °C	125 °C	8	0.173 in
Texas Instruments SN74AHC540DWR	8 mA	8 mA	Buffer Inverting	20-SOIC	0.295 in	7.5 mm	Surface Mount	1	5.5 V	2 V	20-SOIC	3-State	-40 °C	125 °C	8
Texas Instruments SN74AHC540NSR	8 mA	8 mA	Buffer Inverting	20-SOIC			Surface Mount	1	5.5 V	2 V	20-SO	3-State	-40 °C	125 °C	8		0.209 "	5.3 mm
Texas Instruments SN74AHC540DGVR	8 mA	8 mA	Buffer Inverting	20-TFSOP	0.173 in	4.4 mm	Surface Mount	1	5.5 V	2 V	20-TVSOP	3-State	-40 °C	125 °C	8
Texas Instruments SN74AHC540PWRG4	8 mA	8 mA	Buffer Inverting	20-TSSOP	4.4 mm		Surface Mount	1	5.5 V	2 V	20-TSSOP	3-State	-40 °C	125 °C	8	0.173 in
Texas Instruments SN74AHC540N	8 mA	8 mA	Buffer Inverting	20-DIP			Through Hole	1	5.5 V	2 V	20-PDIP	3-State	-40 °C	125 °C	8		0.3 in	7.62 mm
Texas Instruments SN74AHC540PW	8 mA	8 mA	Buffer Inverting	20-TSSOP	4.4 mm		Surface Mount	1	5.5 V	2 V	20-TSSOP	3-State	-40 °C	125 °C	8	0.173 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 1.30
		10	$ 1.17
		25	$ 1.11
		100	$ 0.91
Texas Instruments	TUBE	1	$ 0.92
		100	$ 0.71
		250	$ 0.52
		1000	$ 0.37

Description

General part information

SN74AHC540 Series

The SNx4AHC540 octal buffers/drivers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.

Documents

Technical documentation and resources

Datasheet

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

Product overview

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

Application note

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

Application note

SN74AHC540DW

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SN74AHC540DW

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Technical Specifications

SN74AHC540 Series

Pricing

Description

SN74AHC540 Series

Documents

Datasheet

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

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)

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

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

How to Select Little Logic (Rev. A)

CMOS Power Consumption and CPD Calculation (Rev. B)

Logic Guide (Rev. AB)

Design Summary for WCSP Little Logic (Rev. B)

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

Selecting the Right Level Translation Solution (Rev. A)

TI IBIS File Creation, Validation, and Distribution Processes

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

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

Texas Instruments Little Logic Application Report

Live Insertion

Little Logic Guide 2018 (Rev. G)

LOGIC Pocket Data Book (Rev. B)

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

SN74AHC540 Series