Datasheet > IBM13M16734JCB-75AT

IBM13M16734JCB-75AT

更新时间： 2024-10-28 23:57:39

品牌	Logo	应用领域
其他 - ETC		内存集成电路动态存储器时钟
页数	文件大小	规格书
22页	341K
描述
x72 SDRAM Module

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IBM13M16734JCB-75AT 数据手册

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IBM13M16734JCB

16M x 72 One-Bank Registered / Buffered SDRAM Module

Features

• 168-Pin Registered 8-Byte Dual In-Line Memory

Module

• 16Mx72 Synchronous DRAM DIMM

• Performance:

• Programmable Operation:

- DIMM CAS Latency:4 (Registered mode)

- Burst Type: Sequential or Interleave

- Burst Length: 1, 2, 4, 8, Full-Page

- Operation: Burst Read and Write

-75A Reg.

Units

DIMM CAS Latency

or Multiple Burst Read with Single Write

• Data Mask for Byte Read/Write control

• Auto Refresh (CBR) and Self Refresh

• Automatic and controlled Precharge Commands

• Suspend Mode and Power Down Mode

• 12/10/2 Addressing (Row/Column/Bank)

• 4096 refresh cycles distributed across 64ms

• Card size: 5.25" x 1.5" x 0.157"

Clock Frequency

133

7.5

MHz

Clock Cycle

Clock Access Time

5.65

• Intended for 133MHz applications

• Inputs and outputs are LVTTL (3.3V) compatible

• Single 3.3V ± 0.3V Power Supply

• Single Pulsed RAS interface

• SDRAMs have four internal banks

• Module has one physical bank

• Gold contacts

• SDRAMS in TSOP - Type II Package

• Serial Presence Detect with Write protect feature

• Fully Synchronous to positive Clock Edge

Description

IBM13M16734JCB is a registered 168-Pin Synchro-

nous DRAM Dual In-Line Memory Module (DIMM)

organized as a 16Mx72 high-speed memory array.

The DIMM uses nine 16Mx8 SDRAMs in 400 mil

TSOP packages. The DIMM achieves high-speed

data-transfer rates of 133MHz by employing a

prefetch/pipeline hybrid architecture that synchro-

nizes the output data to a system clock.

trols all devices on the DIMM, enabling the use of

SDRAM power-down modes.

Prior to any access operation, the device CAS

latency and burst type/length/operation type must

be programmed into the DIMM by address inputs

A0-A9, I/O addresses BA0 and BA1 using the mode

operated in Registered mode, is one clock later than

the device CAS latency due to the address and con-

trol signals being clocked to the SDRAM devices.

The DIMM is intended for use in applications oper-

ating at 133MHz memory bus speed. All control and

address signals are re-driven through registers/buff-

ers to the SDRAM devices. Operating in registered

mode (REGE pin tied high), the control/address

input signals are latched in the register on one rising

clock edge and sent to the SDRAM devices on the

following rising clock edge (data access is delayed

by one clock).

The DIMM uses serial presence detects imple-

mented via a serial EEPROM using the two-pin IIC

protocol. The first 128 bytes of serial PD data are

programmed and locked by the DIMM manufac-

turer. The last 128 bytes are available to the cus-

tomer and may be write protected by providing a

high level to pin 81 on the DIMM. An on-board pull-

down resistor keeps this in the write-enable mode.

A phase-lock loop (PLL) on the DIMM is used to re-

drive the clock signals to the SDRAM devices to

minimize system clock loading. (CK0 is connected

to the PLL, and CK1, CK2, and CK3 are terminated

on the DIMM.) A single clock enable (CKE0) con-

All IBM 168-pin DIMMs provide a high-performance,

flexible 8-byte interface in a 5.25" long space-saving

footprint.

Use is further subject to the provisions at the end of this document.

06K7739.H03380

4/00

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与IBM13M16734JCB-75AT相关器件

型号	品牌	获取价格	描述	数据表
IBM13M32734BCA-10Y	IBM	获取价格	Synchronous DRAM Module, 32MX72, 10.7ns, CMOS, PDMA168
IBM13M32734BCA-322Y	IBM	获取价格	Synchronous DRAM Module, 32MX72, 7.7ns, CMOS, PDMA168
IBM13M32734BCB-75AY	ETC	获取价格	x72 SDRAM Module
IBM13M32734BCC-365Y	IBM	获取价格	Synchronous DRAM Module, 32MX72, 6.5ns, CMOS, DIMM-168
IBM13M32734BCC-365Z	IBM	获取价格	Synchronous DRAM Module, 32MX72, 6.5ns, CMOS, DIMM-168
IBM13M32734BCC-370Y	IBM	获取价格	Synchronous DRAM Module, 32MX72, 7ns, CMOS, DIMM-168
IBM13M32734BCC-370Z	IBM	获取价格	Synchronous DRAM Module, 32MX72, 7ns, CMOS, DIMM-168
IBM13M32734BCE-260Y	ETC	获取价格	x72 SDRAM Module
IBM13M32734BCE-360Y	ETC	获取价格	x72 SDRAM Module
IBM13M32734CCA-260T	ETC	获取价格	x72 SDRAM Module

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