Datasheet > FST162861MTDX

FST162861MTDX

更新时间： 2024-11-26 23:52:59

品牌	Logo	应用领域
其他 - ETC		开关
页数	文件大小	规格书
4页	160K
描述
Bus Switch

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数据手册

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FST162861MTDX 数据手册

March 2000

Revised July 2000

FST162861

20-Bit Bus Switch with 25Ω Series Resistors in Outputs

General Description

Features

The Fairchild Switch FST162861 provides 20-Bits of high-

speed CMOS TTL-compatible bus switching. The low on

resistance of the switch allows inputs to be connected to

outputs without adding propagation delay or generating

additional ground bounce noise.

■ 25Ω switch connection between two ports.

■ Minimal propagation delay through the switch.

■ Low l_CC

■ Zero bounce in flow-through mode.

■ Control inputs compatible with TTL level.

The device is organized as a 10-bit or 20-Bit bus switch.

When OE₁is LOW, the switch is ON and Port 1A is con-

nected to Port 1B. When OE₂is LOW, Port 2A is connected

to Port 2B. When OE_Xis HIGH, a high impedance state

exists between the A and B ports. The FST162861 has an

equivalent 25Ω series resistors to reduce signal-reflection

noise, eliminating the need for external terminating resis-

tors.

Ordering Code:

Order Number Package Number

Package Description

FST162861MTD

MTD48

48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Diagram

Connection Diagram

Truth Table

Inputs

Inputs/Outputs

Pin Descriptions

OE₁

OE₂

1A, 1B

2A, 2B

Pin Name

Description

1A = 1B

2A = 2B

1A = 1B

2A = 2B

OE₁, OE₂

1A, 2A

Bus Switch Enables

Bus A

1B, 2B

Bus B

DS500319

www.fairchildsemi.com

12 3 4

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