Buffers | MC74VHC244

Octal Non-inverting Bus Buffer, 3-State

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Overview

The MC74VHC244 is an advanced high speed CMOS octal bus buffer fabricated with silicon gate CMOS technology. The MC74VHC244 is a noninverting 3-state buffer, and has two active-low output enables. This device is designed to be used with 3-state memory address drivers, etc.

The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The inputs tolerate voltages up to 7 V, allowing the interface of 5 V systems to 3 V systems.

  • High Speed: tPD = 3.9ns (Typ) at VCC = 5V
  • Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C
  • High Noise Immunity: VNIH = VNIL = 28% VCC
  • Power Down Protection Provided on Inputs
  • Balanced Propagation Delays
  • Designed for 2V to 5.5V Operating Range
  • Low Noise: VOLP = 0.9V (Max)
  • Pin and Function Compatible with Other Standard Logic Families
  • Latchup Performance Exceeds 300mA
  • ESD Performance: HBM > 2000V; Machine Model > 200V
  • Chip Complexity: 136 FETs
  • Pb-Free Packages are Available

Material Composition

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Channels

Output

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Pricing ($/Unit)

MC74VHC244DTG

Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

3-State

2

5.5

7.5

8

$0.3724

More Details

MC74VHC244DTR2G

Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

2

5.5

7.5

8

$0.3204

More Details

MC74VHC244DWR2G

Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

8

3-State

2

5.5

7.5

8

$0.3971

More Details

NLV74VHC244DTR2G

Lifetime

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

Y

8

3-State

2

5.5

7.5

8

$0.3204

More Details

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