IS42SM32400F

1M x 32Bits x 4Banks Mobile Synchronous DRAM

Description

These IS42SM32400F are mobile 134,217,728 bits CMOS Synchronous DRAM organized as 4 banks of 1,048,576 words x 32 bits. These

products are offering fully synchronous operation and are referenced to a positive edge of the clock. All inputs and outputs are

synchronized with the rising edge of the clock input. The data paths are internally pipelined to achieve high bandwidth. All input and

output voltage levels are compatible with LVCMOS.

JEDEC standard 3.3V power supply.

• Auto refresh and self refresh.

• All pins are compatible with LVCMOS interface.

•4K refresh cycle / 64ms.

• All inputs and outputs referenced to the positive edge of the

system clock.

• Data mask function by DQM.

• Internal 4 banks operation

Features

y/

• Programmable Burst Length and Burst Type.

- 1, 2, 4, 8 or Full Page for Sequential Burst.

- 4 or 8 for Interleave Burst.

• Programmable CAS Latency : 2,3 clocks.

• Programmable Driver Strength Control

- Full Strength or 1/2, 1/4 of Full Strength

• Deep Power Down Mode

• Internal 4 banks operation.

• Burst Read Single Write operation.

• Special Function Support.

- PASR(Partial Array Self Refresh)

- Auto TCSR(Temperature Compensated Self Refresh)

• Automatic precharge, includes CONCURRENT Auto Precharge

Mode and controlled Precharge.

• Deep Power Down Mode.

Copyright © 2010 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its

products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services

described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information

and before placing orders for products.

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Rev. A | July 2010

Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or

malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or

effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to

its satisfaction, that:

a.) the risk of injury or damage has been minimized;

b.) the user assume all such risks; and

c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances