Datasheet > FSTD3306

FSTD3306

更新时间： 2024-09-28 23:16:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
5页	227K
描述
2-Bit Low Power Bus Switch with Level Shifting

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FSTD3306 数据手册

February 2001

Revised February 2001

FSTD3306

2-Bit Low Power Bus Switch with Level Shifting

General Description

Features

The FSTD3306 is a 2-bit ultra high-speed CMOS FET bus

switch with enhanced level shifting circuitry and with TTL-

compatible active LOW control inputs. The low on resis-

tance of the switch allows inputs to be connected to out-

puts with minimal propagation delay and without

generating additional ground bounce noise. The device is

organized as a 2-bit switch with independent bus enable

(BE) controls. When BE is LOW, the switch is ON and Port

A is connected to Port B. When BE is HIGH, the switch is

OPEN and a high-impedance state exists between the two

ports. Reduced voltage drive to the gate of the FET switch

permits nominal level shifting of 5V to 3V through the

switch. Control inputs tolerate voltages up to 5.5V indepen-

■ Typical 3Ω switch resistance at 5.0V V_CC, V_IN= 0V

■ Level shift facilitates 5V to 3.3V interfacing

■ Minimal propagation delay through the switch

■ Power down high impedance input/output

■ Zero bounce in flow through mode

■ TTL compatible active LOW control inputs

■ Control inputs are overvoltage tolerant

dent of V_CC

Ordering Code:

Order Number Package Number

Package Description

FSTD3306MTC

MTC08

8-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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

Logic Diagram

Connection Diagram

(Top View)

Pin Descriptions

Function Table

Pin Name

Description

Bus Enable Input (BE)

Function

Bus A Switch I/O

Bus B Switch I/O

B Connected to A

Disconnected

H = HIGH Logic Level

L = LOW Logic Level

Bus Enable Input

DS500480

www.fairchildsemi.com

12 3 4 5

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