Logic Gates | MM74HC240

Inverting Octal 3-STATE Buffer

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Overview

The MM74HC240 3-STATE buffer utilizes advanced silicon-gate CMOS technology. It possesses high drive current outputs which enable high speed operation even when driving large bus capacitances. These circuits achieve speeds comparable to low power Schottky devices, while retaining the advantage of CMOS circuitry, i.e., high noise immunity and low power consumption. It has a fanout of 15 LS-TTL equivalent inputs. The MM74HC240 is an inverting buffer and has two active LOW enables (1G# and 2G#). Each enable independently controls 4 buffers. All inputs are protected from damage due to static discharge by diodes to VCC and ground.

  • This product is general usage and suitable for many different applications.
  • Typical propagation delay: 12 ns
  • 3-STATE outputs for connection to system buses
  • Wide power supply range: 2-6V
  • Low quiescent supply current: 80 µA (74 Series)
  • Output current: 6 mA

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Orderable Parts:

4

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Channels

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Pricing ($/Unit)

MM74HC240WMX

Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

Buffer

8

2

6

12

7.8mA

$0.35

More Details

MM74HC240WM

Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

Buffer

8

2

6

12

7.8mA

$0.3651

More Details

MM74HC240MTCX

Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

Buffer

8

2

6

12

7.8mA

$0.2179

More Details

MM74HC240MTC

Last Shipments

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

Buffer

8

2

6

12

7.8mA

Price N/A

More Details

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