SNx4AHCT240 Octal Inverting Buffers/Drivers With Tri-State Outputs

1 Features

• Inputs are TTL-voltage compatible

• Latch-up performance exceeds 250mA

per JESD 17

• On products compliant to MIL-PRF-38535,

All parameters are tested unless otherwise noted.

On all other products, production processing does

not necessarily include testing of all parameters.

2 Applications

• Network Switches

• Health and Fitness

• Televisions

• Power Infrastructures

3 Description

The SNx4AHCT240 octal buffers/drivers are designed

specifically to improve both the performance and

density of tri-state memory-address drivers, clock

drivers, and bus-oriented receivers and transmitters.

Device Information

PART NUMBER

PACKAGE(1)

PACKAGE SIZE(2)

BODY SIZE(3)

SN74AHCT240

DB (SSOP, 20)

7.2mm × 7.8mm

7.50mm x 5.30mm

NS (SOP, 20)

12.60mm x 7.8mm

12.6mm x 5.30mm

PW (TSSOP, 20)

6.50mm × 6.4mm

6.50mm x 4.40mm

DW (SOIC, 20)

12.80mm × 10.3mm 12.8mm x 7.5mm

N (PDIP, 20)

24.33mm x 9.4mm

25.40mm x 6.35mm

(1)

For more information, see Section 10.

(2)

The package size (length × width) is a nominal value and

includes pins, where applicable.

(3)

The body size (length × width) is a nominal value and does

not include pins.

1Y1

1OE

1A1

1Y2

1A2

1Y3

1A3

1Y4

1A4

2Y1

2OE

2A1

2Y2

2A2

2Y3

2A3

2Y4

2A4

Copyright © 2016, Texas Instruments Incorporated

Simplified Schematic

SN54AHCT240, SN74AHCT240

SCLS252P – OCTOBER 1995 – REVISED JANUARY 2025

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.