ASM2I2310AGNZ-28-AT datasheet(1/12 Pages) ALSC

Part #	ASM2I2310AGNZ-28-AT

Description	3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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June 2005

ASM2I2310ANZ

rev 0.4

Alliance Semiconductor

2575, Augustine Drive

• Santa Clara, CA • Tel: 408.855.4900 • Fax: 408.855.4999 • www.alsc.com

Notice: The information in this document is subject to change without notice.

Serial Interface

Decoding

BUF_IN

SDATA

SCLOCK

OE

SDRAM0

SDRAM1

SDRAM2

SDRAM3

SDRAM4

SDRAM5

SDRAM6

SDRAM7

SDRAM8

SDRAM9

3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs

Features

One input to 10 output buffer/driver

Supports up to four SDRAM SO-DIMMs

Two additional outputs for feedback

Serial interface for output control

Low skew outputs

Up to 133MHz operation

Multiple VDD and VSS pins for noise reduction

Dedicated OE pin for testing

Space-saving 28 Pin SSOP package

3.3V operation

Functional Description

The ASM2I2310ANZ is a 3.3V buffer designed to distribute

high-speed clocks in mobile PC applications. The part has

10 outputs, 8 of which can be used to drive up to four

SDRAM SO-DIMMs, and the remaining can be used for

external feedback to a PLL. The device operates at 3.3V

and outputs can run up to 133MHz, thus making it

compatible with Pentium II

®i processors.

The ASM2I2310ANZ also includes a serial interface (IIC),

which can enable or disable each output clock. The IIC is

Slave Receiver only and is Standard mode compliant. IIC

Master can write into the IIC registers but cannot read

back. The first two bytes after address should be ignored

by IIC Block and data is valid after these two bytes as given

in IIC Byte Flow Table. On power-up, all output clocks are

enabled. A separate Output Enable pin facilitates testing on

ATE.

i Pentium II is a registered trademark of Intel Corporation

Block Diagram

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ASM2I2310AGNZ-28-AT Datasheet(PDF) 1 Page - Alliance Semiconductor Corporation

ASM2I2310AGNZ-28-AT Datasheet(HTML) 1 Page - Alliance Semiconductor Corporation

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