FSTU16862 查看數據表（PDF） - Fairchild Semiconductor

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FSTU16862

20-Bit Bus Switch with -
2V Undershoot Protection

Fairchild Semiconductor 

May 2002

Revised October 2006

FSTU16862

20-Bit Bus Switch with 2V Undershoot Protection

General Description

The Fairchild Switch FSTU16862 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.

The device is organized as a 20-bit bus switch. When OEX

is LOW, the switch is ON and Port A is connected to Port B.

When OEX is HIGH, a high impedance state exists

between the A and B Ports. The A and B Ports are pro-

tected against undershoot to support an extended range to

2.0V below ground. Fairchild's integrated Undershoot

Hardened Circuit (UHC®¥) senses undershoot at the I/O

and responds by preventing voltage differentials from

developing and turning the switch on.

Features

s Undershoot hardened to 2V (A and B Ports)

s 4: switch connection between two ports

s Minimal propagation delay through the switch

s Low lCC

s Zero bounce in flow-through mode

s Control inputs compatible with TTL level

s See Application Note AN-5008 for details on

FSTU - Undershoot Protected Fairchild Switch Family

Ordering Code:

Order Number

Package

Number

Package Description

FSTU16862QSP MQA48A 48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide

FSTU16862MTD 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.

UHC®¥ is a registered trademark of Fairchild Semiconductor Corporation.

© 2005 Fairchild Semiconductor Corporation DS500703

www.fairchildsemi.com

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