Specification	SN74AHC540N

Current - Output High, Low [custom]	8 mA
Current - Output High, Low [custom]	8 mA
Logic Type	Inverting, Buffer
Mounting Type	Through Hole
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-DIP
Package / Case	7.62 mm
Package / Case	0.3 in
Supplier Device Package	20-PDIP
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	$ 0.53
		20	$ 0.47
		40	$ 0.44
		100	$ 0.36
		260	$ 0.33
		500	$ 0.28
		1000	$ 0.25
Texas Instruments	TUBE	1	$ 0.75
		100	$ 0.51
		250	$ 0.39
		1000	$ 0.26

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.