Datasheet > PACGTL

PACGTL

更新时间： 2024-09-30 04:11:11

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描述
HIGH PERFORMANCE GTL TERMINATION NETWORK FOR SOCKET 370 PROCESSORS

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PACGTL 数据手册

CALIFORNIA MICRO DEVICES

PACGTL

HIGH PERFORMANCE GTL TERMINATION NETWORK

FOR SOCKET 370 PROCESSORS

Features

Applications

24 terminations in a single package

5 chip solution for all 119 GTL terminations

High speed termination network

Center ground pin placement reduces ground

bounce and eases board layout

High Performance Servers

High Performance Desk Top Systems

Intel Celeron and Pentium CPUs

Very low cross-talk

Saves board space and reduces assembly cost

Application Information

High speed microprocessors demand unique, high speed bus termination. The PACGTL Termination Network provides 24

terminations per package and meets the requirements for high speed terminations. The termination resistor values are 56 or

120 ohms each. Five devices provide the necessary terminations for the 32-bit address bus, 64-bit data bus, and the control

of status signals. Potential board layout solutions are included in this datasheet.

This termination network provides high performance, high reliability, and low cost through manufacturing efficiency. The

termination resistor elements are fabricated using state-of-the-art thin film manufacturing. This integrated solution is silicon-

based and has the same reliability characteristics of todays microprocessor products. The thin film resistors have very high

stability over temperature, over applied voltage, and over life. In addition, the QSOP (SSOP) industry standard packaging is

easy to handle in manufacturing and yields high reliability similar to other semiconductor components.

STANDARD VALUES

STANDARD CONFIGURATION

Resistor (R)

56 or 120 Ohms

Absolute Tolerance (R)

TCR

+5%

+150ppm

0°C to 70°C

1.00W

Operating Temperature Range

Max Package Power Rating (70°C)

Minimum Insulation Resistance

Cross-talk *

10,000Meg W

Power Rating /

Resistor

R(W)

Code

560

121

100 mW

120

40 mW

* PAC560GTL or PAC121GTL used as a terminator. Signal on a single victim line when all other lines are driven synchronously and

simultaneously.

S TA N D A R D P A R T O R D E R IN G IN F O R M A TIO N

Package

Ordering Part Num ber

Part Marking

PAC560GTL

Pins

Style

QSOP

PAC121GTL

When placing an order please specify desired shipping: Tubes or Tape & Reel.

All trademarks are the property of their respective holders.

P/Active^®is a registered trademark and PAC is a trademark of California Micro Devices.

C0290498D

2/00

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

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