4-bit Bus Switch

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Overview

The ON Semiconductor 74FST3126 is a quad, high performance switch. The device is CMOS TTL compatible when operating between 4 and 5.5 Volts. The device exhibits extremely low RON and adds nearly zero propagation delay. The device adds no noise or ground bounce to the system.

The device consists of four independent 1-bit switches with separate Output/Enable (OE) pins. Port A is connected to Port B when OE is high. If OE is low, the switch is high Z.

  • RON < 4 Ω Typical
  • Less Than 0.25 ns–Max Delay Through Switch
  • Nearly Zero Standby Current
  • No Circuit Bounce
  • Control Inputs are TTL/CMOS Compatible
  • Pin–For–Pin Compatible With QS3126, FST3126, CBT3126
  • All Popular Packages: QSOP–16, TSSOP–14, SOIC–14
  • All Devices in Package TSSOP are Inherently Pb-Free*

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4

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Channels

Output

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Pricing ($/Unit)

FST3126DTR2G

Last Shipments

CAD Model

Pb

A

H

P

TSSOP-14

1

260

REEL

2500

N

4

3-State

4

5.5

0.25

128

Price N/A

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FST3126DR2G

Lifetime

CAD Model

Pb

A

H

P

SOIC-14

1

260

REEL

2500

Y

4

3-State

4

5.5

0.25

128

$0.196

More Details

FST3126MX

Obsolete

CAD Model

Pb

A

H

P

SOIC-14

1

260

REEL

2500

N

4

3-State

4

5.5

0.25

128

Price N/A

More Details

FST3126MTCX

Obsolete

CAD Model

Pb

A

H

P

TSSOP-14 WB

1

260

REEL

2500

N

4

3-State

4

5.5

0.25

128

Price N/A

More Details

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