IS42S16800A7TL Integrated Silicon Solution, IS42S16800A7TL Datasheet

IS42S16800A7TL

Manufacturer Part Number

IS42S16800A7TL

Description

TSOP54

Manufacturer

Integrated Silicon Solution

Datasheet

1.IS42S16800A7TL.pdf (61 pages)

Specifications of IS42S16800A7TL

Date_code

08+

Current page: 1 of 61
Download datasheet (532Kb)

IS42S81600A,

IS42S16800A,

IS42S32400A,

FEATURES

• Clock frequency: 166,143,100 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

16Meg x 8, 8Meg x16 & 4Meg x 32

128-MBIT SYNCHRONOUS DRAM

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

PRELIMINARY INFORMATION, Rev. 00C

01/20/05

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

IS42S81600A

IS42S16800A

IS42S32400A

– (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.

IS42S81600A

4M x8x4 Banks

54-pin TSOPII

Parameter

Clk Cycle Time

Clk Frequency

Access Time from Clock

CAS Latency = 3

CAS Latency = 2

CAS Latency = 3

CAS Latency = 2

CAS Latency = 3

CAS Latency = 2

's 128Mb Synchronous DRAM achieves high-speed

PRELIMINARY INFORMATION

IS42S16800A

2M x16x4 Banks

54-pin TSOPII

JANUARY 2005

166

5.4

-6

ISSI

143

100

5.4

-7

IS42S32400A

1M x32x4 Banks

86-pin TSOPII

-10

100

Unit

Mhz

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