Datasheet > NT256D64S88A0G-75B

NT256D64S88A0G-75B

更新时间： 2024-02-25 04:54:50

品牌	Logo	应用领域
其他 - ETC		动态存储器双倍数据速率
页数	文件大小	规格书
14页	184K
描述
184pin One Bank Unbuffered DDR SDRAM MODULE

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NT256D64S88A0G

256MB : 32M x 64

PC2100 / PC1600 Unbuffered DIMM

184pin One Bank Unbuffered DDR SDRAM MODULE Based on DDR266/200 32Mx8 SDRAM

Features

• 184-Pin Unbuffered 8-Byte Dual In-Line Memory Module

• 32Mx64 Double Data Rate (DDR) SDRAM DIMM

• Performance :

• DRAM DLL aligns DQ and DQS transitions with clock transitions.

Also aligns QFC transitions with clock during Read cycles

• Address and control signals are fully synchronous to positive

clock edge

PC1600

- 8B

PC2100

• Programmable Operation:

Unit

Speed Sort

- 75B

- 7K

- DIMM

Latency: 2, 2.5

CAS

DIMM

Latency

2.5

133

7.5

CAS

- Burst Type: Sequential or Interleave

- Burst Length: 2, 4, 8

f CK Clock Frequency

t CK Clock Cycle

100

133

7.5

266

MHz

- Operation: Burst Read and Write

• Auto Refresh (CBR) and Self Refresh Modes

• Automatic and controlled precharge commands

• 13/10/2 Addressing (row/column/bank)

• 7.8 µs Max. Average Periodic Refresh Interval

• Serial Presence Detect

f DQ DQ Burst Frequency

200

266

MHz

• Intended for 100 MHz and 133 MHz applications

• Inputs and outputs are SSTL-2 compatible

• VDD = 2.5Volt ± 0.2, VDDQ = 2.5Volt ± 0.2

• Single Pulsed

interface

RAS

• SDRAMs have 4 internal banks for concurrent operation

• Module has one physical bank

• Gold contacts

• SDRAMs in 66-pin TSOP Type II Package

• Differential clock inputs

• Data is read or written on both clock edges

Description

NT256D64S88A0G is an unbuffered 184-Pin Double Data Rate (DDR) Synchronous DRAM Dual In-Line Memory Module (DIMM),

organized as a one-bank high-speed memory array. The 32Mx64 module is a single-bank DIMM that uses eight 32Mx8 DDR

SDRAMs in 400 mil TSOP packages. The DIMM achieves high-speed data transfer rates of up to 266MHz. The DIMM is intended for use

in applications operating from 100 MHz to 133 MHz clock speeds with data rates of 200 to 266 MHz. Clock enable CKE0 controls all

devices on the DIMM.

Prior to any access operation, the device

latency and burst type/ length/operation type must be programmed into the DIMM by

CAS

address inputs A0-A12 and I/O inputs BA0 and BA1 using the mode register set cycle.

These DIMMs are manufactured using raw cards developed for broad industry use as reference designs. The use of these common

design files minimizes electrical variation between suppliers.

The DIMM uses serial presence detects implemented via a serial EEPROM using the two-pin IIC protocol. The first 128 bytes of serial PD

data are programmed and locked during module assembly. The last 128 bytes are available to the customer.

All NANYA 184 DDR SDRAM DIMMs provide a high-performance, flexible 8-byte interface in a 5.25” long space-saving footprint.

Ordering Information

Part Number

Speed

143MHz (7ns @ CL = 2.5 )

133MHz (7.5ns @ CL= 2 )

133MHz (7.5ns @ CL= 2.5 )

100MHz (10ns @ CL = 2 )

125MHz (8ns @ CL = 2.5 )

100MHz (10ns @ CL = 2 )

Organization

32Mx64

Leads

Gold

Power

2.5V

NT256D64S88A0G-7K

PC2100

PC1600

NT256D64S88A0G –75B

NT256D64S88A0G –8B

Preliminary 08 / 2001

NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.

12 3 4 5 6 7...14

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与NT256D64S88A0G-75B相关器件

型号	品牌	获取价格	描述	数据表
NT256D64S88A0G-7K	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE
NT256D64S88A0G-8B	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE
NT256D64S88A2GM	ETC	获取价格	200pin One Bank Unbuffered DDR SO-DIMM
NT256D64S88A2GM-75B	ETC	获取价格	200pin One Bank Unbuffered DDR SO-DIMM
NT256D64S88A2GM-7K	ETC	获取价格	200pin One Bank Unbuffered DDR SO-DIMM
NT256D64S88A2GM-8B	ETC	获取价格	200pin One Bank Unbuffered DDR SO-DIMM
NT256D64S88AAG	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE
NT256D64S88AAG-75B	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE
NT256D64S88AAG-7K	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE
NT256D64S88AAG-8B	ETC	获取价格	184pin One Bank Unbuffered DDR SDRAM MODULE

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