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IDT74FST3125SQ

更新时间： 2024-09-16 23:01:19

品牌	Logo	应用领域
艾迪悌 - IDT		开关
页数	文件大小	规格书
5页	77K
描述
4-BIT BUS SWITCH

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数据手册

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IDT74FST3125SQ 数据手册

IDT74FST3125

4-BIT BUS SWITCH

Integrated Device Technology, Inc.

capability. Thus they generate little or no noise of their own

while providing a low resistance path for an external driver.

These devices connect input and output ports through an n-

channel FET. When the gate-to-source junction of this FET is

adequatelyforward-biasedthedeviceconductsandtheresis-

tance between input and output ports is small. Without

adequate bias on the gate-to-source junction of the FET, the

FET is turned off, therefore with no VCC applied, the device

has hot insertion capability.

FEATURES:

• Bus switches provide zero delay paths

• Extended commercial range of –40°C to +85°C

• Low switch on-resistance:

FST3xxx – 5Ω

• TTL-compatible input and output levels

• ESD > 2000V per MIL-STD-883, Method 3015;

> 200V using machine model (C = 200pF, R = 0)

• Available in QSOP and SOIC

The low on-resistance and simplicity of the connection

between input and output ports reduces the delay in this path

to close to zero.

DESCRIPTION:

The FST3125 belong to IDT's family of Bus switches. Bus

switch devices perform the function of connecting or isolating

twoportswithoutprovidinganyinherentcurrentsinkorsource

The FST3125 is a 4-bit TTL-compatible bus switch. The

xOE pins provide individual enable control for each of the four

bits.

PIN CONFIGURATION

FUNCTIONAL BLOCK DIAGRAM

Vcc

4OE

1OE

2OE

SO16-1

SO16-7

3OE

GND

4OE

SOIC/QSOP

TOP VIEW

3471 drw 02

3471 drw 01

PIN DESCRIPTION

Pin Names

I/O

Description

1A-4A

I/O

Bus A

Bus B

1Y-4Y

I/O

—

No Connect

1OE, 4OE

Bus Switch Enable (Active LOW)

3471 tbl 01

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

COMMERCIAL TEMPERATURE RANGE

AUGUST 1996

1996 Integrated Device Technology, Inc.

DSC-4668/-

12 3 4 5

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