IS42S16800B7TLI Integrated Silicon Solution, IS42S16800B7TLI Datasheet

IS42S16800B7TLI

Manufacturer Part Number

IS42S16800B7TLI

Description

TSOP54

Manufacturer

Integrated Silicon Solution

Datasheet

1.IS42S16800B7TL.pdf (60 pages)

Specifications of IS42S16800B7TLI

Date_code

05+

Current page: 1 of 60
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IS42S81600B

IS42S16800B

16Meg x 8, 8Meg x16

128-MBIT SYNCHRONOUS DRAM

FEATURES

• Clock frequency: 167, 143, 133 MHz

• Fully synchronous; all signals referenced to a

• Internal bank for hiding row access/precharge

• Power supply

• LVTTL interface

• Programmable burst length

• Programmable burst sequence:

• Auto Refresh (CBR)

• Self Refresh with programmable refresh periods

• 4096 refresh cycles every 64 ms

• Random column address every clock cycle

• Programmable CAS latency (2, 3 clocks)

• Burst read/write and burst read/single write

• Burst termination by burst stop and precharge

• Industrial Temperature Availability

• Lead-free Availability

Integrated Silicon Solution, Inc. — www.issi.com —

05/01/06

Rev. E

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.

positive clock edge

IS42S81600B

IS42S16800B

– (1, 2, 4, 8, full page)

Sequential/Interleave

operations capability

command

3.3V 3.3V

DDQ

1-800-379-4774

KEY TIMING PARAMETERS

OVERVIEW

ISSI

data transfer using pipeline architecture. All inputs and

outputs signals refer to the rising edge of the clock

input.The 128Mb SDRAM is organized as follows.

IS42S81600B

4M x8x4 Banks

54-pin TSOPII

Parameter

Clk Cycle Time

CAS Latency = 3

CAS Latency = 2

Clk Frequency

CAS Latency = 3

Access Time from Clock

CAS Latency = 3

CAS Latency = 2

's 128Mb Synchronous DRAM achieves high-speed

IS42S16800B

2M x16x4 Banks

54-pin TSOPII

167

5.4

-6

–

MAY 2006

ISSI

100

143

5.4

-7

-75E

133

7.5

–

Unit

Mhz

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