FST3245 datasheet(2/9 Pages) ONSEMI

2 / 9 page

December 2012

www.fairchildsemi.com

FST3245 • Rev. 1.0.3

FST3245 — 8-Bit Bus Switch

Features

 4 Ω Switch Connection between Two Ports

 Minimal Propagation Delay through the Switch

 Low I

 Zero Bounce in Flow-through Mode

 Control Inputs Compatible with TTL Level

Description

The FST3245 switch provides eight-bits of high-speed

CMOS TTL-compatible bus switching in a standard ’245

pin-out. The low on resistance allows inputs to be

connected to outputs without adding propagation delay

or generating additional ground bounce noise.

The device is organized as an eight-bit switch. When

/OE is LOW, the switch is ON and port A is connected to

port B. When /OE is HIGH, the switch is OPEN and a

high-impedance state exists between the two ports.

Ordering Information

Part Number

Operating

Temperature

Range

Package

Packing

Method

FST3245MTCX

-40 to +85°C

20-Lead Thin Shrink Small Outline Package (TSSOP),

JEDEC MO-153, 4.4 mm Wide

Tape and Reel

Logic Diagram

/OE

Figure 1. Logic Diagram

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