Datasheet > EM639165

EM639165

更新时间： 2024-09-22 22:49:11

品牌	Logo	应用领域
钰创 - ETRON		动态存储器
页数	文件大小	规格书
48页	655K
描述
8Mega x 16bits SDRAM

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数据手册

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EM639165 数据手册

EtronTech

EM639165

8Mega x 16bits SDRAM

Preliminary (Rev 1.0, 2/2001)

Features

Pin Assignment (Top View)

Single 3.3 ± 0.3V power supply

Fast clock rate

VDD

DQ0

VDDQ

DQ1

DQ2

VSSQ

DQ3

DQ4

VDDQ

DQ5

DQ6

VSSQ

DQ7

VDD

DQML

/WE

VSS

DQ15

VSSQ

DQ14

DQ13

VDDQ

DQ12

DQ11

VSSQ

DQ10

DQ9

VDDQ

DQ8

VSS

DQMU

CLK

CKE

A11

PC133: 133 MHz (CL3)

PC100: 100 MHz (CL2)

Fully synchronous operation referenced to clock

rising edge

4-bank operation controlled by BA0, BA1 (Bank

Address)

Programmable Mode registers

- /CAS Latency: 2 or 3

- Burst Length: 1, 2, 4, 8 or full page

- Burst Type: interleaved or linear burst

Byte Control – DQML and DQMU

Random column access

Auto precharge / All banks precharge controlled

by A10

Auto and self-refresh

Self-refresh mode: standard and low power

4096 refresh cycles/64ms

Interface: LVTTL

/CAS

/RAS

/CS

BA0

BA1

A10(AP)

VDD

VSS

54-pin 400 mil plastic TSOP II package

Ordering Information

Part Number

Speed

Grade

Self refresh

current (Max.)

Key Specifications

EM639165

75/8

EM639165TS-75

PC133/CL3

2 mA

800 mA

2 mA

10/10 ns

7.5/8 ns

6/6 ns

Clock Cycle time (min., CL=2)

t_CK2

t_CK3

t_AC2

EM639165TS-75L PC133/CL3

Clock Cycle time (min., CL=3)

EM639165TS-8

EM639165TS-8L

PC100/CL2

Access time (max., CL=2)

800 mA

5.4/6 ns

45/48 ns

67.5/70 ns

Access time (max., CL=3)

t_AC3

t_RAS

t_RC

Row Active time (max.)

Row Cycle time(min.)

Overview

EM639165 is a high-speed Synchronous Dynamic

Random Access Memory (SDRAM), organized as 4

banks x 2,097,152 words x 16 bits. All inputs and

outputs are referenced to the rising edge of CLK.

It achieves very high-speed data rates up to

133MHz, and is suitable for main memories or graphic

memories in computer systems. For handheld device

application, we also provide a low power option, with

self-refresh current under 800 mA.

Etron Technology, Inc.

No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C.

TEL: (886)-3-5782345

FAX: (886)-3-5778671

Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice.

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与EM639165相关器件

型号	品牌	获取价格	描述	数据表
EM639165_07	ETRON	获取价格	8Mega x 16 Synchronous DRAM (SDRAM)
EM639165TS-6G	ETRON	获取价格	8Mega x 16 Synchronous DRAM (SDRAM)
EM639165TS-6LG	ETRON	获取价格	8Mega x 16 Synchronous DRAM (SDRAM)
EM639165TS-75	ETRON	获取价格	8Mega x 16bits SDRAM
EM639165TS-75L	ETRON	获取价格	8Mega x 16bits SDRAM
EM639165TS-7G	ETRON	获取价格	8Mega x 16 Synchronous DRAM (SDRAM)
EM639165TS-7LG	ETRON	获取价格	8Mega x 16 Synchronous DRAM (SDRAM)
EM639165TS-8	ETRON	获取价格	8Mega x 16bits SDRAM
EM639165TS-8L	ETRON	获取价格	8Mega x 16bits SDRAM
EM639325BK-5IH	ETRON	获取价格	4M x 32 bit Synchronous DRAM (SDRAM)

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