Datasheet > 42S16800A

42S16800A

更新时间： 2024-11-02 22:15:15

品牌	Logo	应用领域
美国芯成 - ISSI		动态存储器
页数	文件大小	规格书
61页	536K
描述
16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM

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42S16800A 数据手册

IS42S81600A,

IS42S16800A,

IS42S32400A,

ISSI

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

128-MBIT SYNCHRONOUS DRAM

PRELIMINARY INFORMATION

JANUARY 2005

OVERVIEW

FEATURES

ISSI's 128Mb Synchronous DRAM achieves high-speed

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.

• Clock frequency: 166,143,100 MHz

• Fully synchronous; all signals referenced to a

positive clock edge

• Internal bank for hiding row access/precharge

• Power supply

V^DD

VDDQ

IS42S81600A

4M x8x4 Banks

54-pin TSOPII

IS42S16800A

IS42S32400A

IS42S81600A

IS42S16800A

3.3V 3.3V

2M x16x4 Banks 1M x32x4 Banks

54-pin TSOPII

86-pin TSOPII

IS42S32400A

• LVTTL interface

• Programmable burst length

– (1, 2, 4, 8, full page)

• Programmable burst sequence:

Sequential/Interleave

KEY TIMING PARAMETERS

• Auto Refresh (CBR)

• Self Refresh with programmable refresh periods

• 4096 refresh cycles every 64 ms

Parameter

-6

-7

-10 Unit

Clk Cycle Time

CAS Latency = 3

CAS Latency = 2

• Random column address every clock cycle

• Programmable CAS latency (2, 3 clocks)

Clk Frequency

CAS Latency = 3

CAS Latency = 2

• Burst read/write and burst read/single write

operations capability

166

143

100

Mhz

• Burst termination by burst stop and precharge

command

Access Time from Clock

CAS Latency = 3

CAS Latency = 2

5.4

• Industrial Temperature Availability

• Lead-freeAvailability

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.

Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

PRELIMINARYINFORMATION,Rev. 00C

01/20/05

12 3 4 5 6 7...61

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与42S16800A相关器件

型号	品牌	获取价格	描述	数据表
42S16800L	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S16800L-A60	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S16800L-A70	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S16800L-A80	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S17800L	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S17800L-A60	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S17800L-A70	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S17800L-A80	NEC	获取价格	3.3 V OPERATION 16 M-BIT DYNAMIC RAM 2 M-WORD BY 8-BIT, FAST PAGE MODE
42S32200	ISSI	获取价格	512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
42S36-01-1-02N	GRAYHILL	获取价格	- Rugged construction ensures switch operation for the life of your equipment - Many circ

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