Buffers | 74VHC244

Octal Buffer/Line Driver with 3-STATE Outputs

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Overview

The VHC244 is an advanced high speed CMOS octal bus buffer fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHC244 is a non-inverting 3-STATE buffer having two active-LOW output enables. These devices are designed to be used as 3-STATE memory address drivers, clock drivers, and bus oriented transmitter/receivers. An input protection circuit ensures that 0V to 7V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5V to 3V systems and two supply systems such as battery back up. This circuit prevents device destruction due to mismatched supply and input voltages.

  • This product is general usage and suitable for many different applications.
  • High Speed: tPD = 3.9ns (typ) at VCC = 5V
  • High noise immunity: VNIH = VNIL = 28% VCC (min)
  • Power down protection is provided on all inputs
  • Low noise: VOLP = 0.6V (typ)
  • Low power dissipation: ICC = 4 µA (max) @ TA = 25°C
  • Pin and function compatible with 74HC244

Material Composition

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CAD Models

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Channels

Output

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Pricing ($/Unit)

74VHC244MTCX

Active

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

REEL

2500

N

8

3-State

2

5.5

3.9

8

$0.2607

More Details

74VHC244MTC

Active

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

TUBE

1825

N

8

3-State

2

5.5

3.9

8

$0.2791

More Details

74VHC244MX

Last Shipments

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

REEL

1000

N

8

3-State

2

5.5

3.9

8

Price N/A

More Details

74VHC244M

Last Shipments

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

TUBE

1080

N

8

3-State

2

5.5

3.9

8

Price N/A

More Details

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