IS41C16257C

IS41LV16257C

Integrated Silicon Solution, Inc.

1

Rev. 00A

04/09/2010

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 lat-

est version of this device specification before relying on any published information and before placing orders for products.

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 ex-

pected 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

FEATURES

• Fastaccessandcycletime

• TTLcompatibleinputsandoutputs

• RefreshInterval:512cycles/8ms

• RefreshMode:RAS-Only, CAS-before-RAS

(CBR),andHidden

• JEDECstandardpinout

• Singlepowersupply:

5V±10%(IS41C16257C)

3.3V±10%(IS41LV16257C)

• ByteWriteandByteReadoperationvia

two CAS

• Lead-freeavailable

• Industrialtemperatureavailable

DESCRIPTION

The

bit high-performance CMOS Dynamic Random Access

Memories.FastPageModeallows512randomaccesses

within a single row with access cycle time as short as 12

nsper16-bitword.TheByteWritecontrol,ofupperand

lowerbyte,makesthesedevicesidealforusein16-and

32-bit wide data bus systems.

ThesefeaturesmaketheIS41C16257C/IS41LV16257C

ideally suited for high band-width graphics, digital signal

processing, high-performance computing systems, and

peripheral applications.

TheIS41C16257C/IS41LV16257Carepackagedina40-

pin,400-milSOJandTSOP(TypeII).

ADVANCED INFORMATION

APRIL 2010

KEY TIMING PARAMETERS

Parameter

-35

-60

Unit

35

60

ns

11

15

ns

18

30

ns

14

25

ns

60

110

ns

256Kx16

4Mb DRAM WITH FAST PAGE MODE