EEWORLDEEWORLDEEWORLD

Part Number

Search

MCM72BA32

Description
256KB and 512KB BurstRAM Secondary Cache Module for Pentium
File Size119KB,14 Pages
ManufacturerMotorola ( NXP )
Websitehttps://www.nxp.com
Download Datasheet Compare View All

MCM72BA32 Overview

256KB and 512KB BurstRAM Secondary Cache Module for Pentium

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MCM72BA32/D
256KB and 512KB BurstRAM™
Secondary Cache Module for
Pentium™
The MCM72BA32SG and MCM72BA64SG are designed to provide a burst-
able, high performance, 256K/512K L2 cache for the Pentium microprocessor.
The modules are configured as 32K x 72 and 64K x 72 bits in a 136 pin dual read-
out single inline memory module (DIMM). The module uses four of Motorola’s
MCM67B518 or MCM67B618 BiCMOS BurstRAMs.
Bursts can be initiated with either address status processor (ADSP) or address
status controller (ADSC). Subsequent burst addresses are generated internal to
the BurstRAM by the burst advance (ADV) input pin.
Write cycles are internally self timed and are initiated by the rising edge of the
clock (K) input. Eight write enables are provided for byte write control.
The cache family is designed to interface with popular Pentium cache control-
lers with on board TAG.
PD0 – PD2 are reserved for density and speed identification.
Pentium–style Burst Counter on Board
Dual Readout SIMM for Circuit Density
Single 5 V
±
5% Power Supply
All Inputs and Outputs are TTL Compatible
Three State Outputs
Byte Parity
Byte Write Capability
Fast Module Clock Rates: 66 MHz, 60 MHz, 50MHz
Decoupling Capacitors for each Fast Static RAM
High Quality Multi–Layer FR4 PWB With Separate Power and Ground Planes
I/Os are 3.3 V Compatible
MCM72BA32
MCM72BA64
136–LEAD DIMM
CASE 1104–01
TOP VIEW
1
34
35
68
BurstRAM is a trademark of Motorola.
Pentium is a trademark of Intel Corp.
REV 2
5/95
©
Motorola, Inc. 1995
MOTOROLA FAST SRAM
MCM72BA32•MCM72BA64
1

MCM72BA32 Related Products

MCM72BA32 MCM72BA64SG50 MCM72BA32SG66 MCM72BA32SG60 MCM72BA32SG50
Description 256KB and 512KB BurstRAM Secondary Cache Module for Pentium 256KB and 512KB BurstRAM Secondary Cache Module for Pentium 256KB and 512KB BurstRAM Secondary Cache Module for Pentium 256KB and 512KB BurstRAM Secondary Cache Module for Pentium 256KB and 512KB BurstRAM Secondary Cache Module for Pentium
Maker - Motorola ( NXP ) Motorola ( NXP ) Motorola ( NXP ) Motorola ( NXP )
package instruction - DIMM-136 DIMM-136 DIMM, DIMM136 DIMM, DIMM136
Reach Compliance Code - unknown unknow unknow unknow
ECCN code - 3A991.B.2.A 3A991.B.2.A 3A991.B.2.A 3A991.B.2.A
Maximum access time - 12 ns 9 ns 10 ns 12 ns
Other features - BYTE WRITE; BURST COUNTER BYTE WRITE; BURST COUNTER BYTE WRITE; BURST COUNTER BYTE WRITE; BURST COUNTER
Spare memory width - 72 72 72 72
JESD-30 code - R-XDMA-N136 R-XDMA-N136 R-XDMA-N136 R-XDMA-N136
memory density - 4718592 bit 2359296 bi 2359296 bi 2359296 bi
Memory IC Type - CACHE SRAM MODULE CACHE SRAM MODULE CACHE SRAM MODULE CACHE SRAM MODULE
memory width - 36 36 36 36
Number of functions - 1 1 1 1
Number of ports - 1 1 1 1
Number of terminals - 136 136 136 136
word count - 131072 words 65536 words 65536 words 65536 words
character code - 128000 64000 64000 64000
Operating mode - SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
Maximum operating temperature - 70 °C 70 °C 70 °C 70 °C
organize - 128KX36 64KX36 64KX36 64KX36
Output characteristics - 3-STATE 3-STATE 3-STATE 3-STATE
Exportable - YES YES YES YES
Package body material - UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form - MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY
Parallel/Serial - PARALLEL PARALLEL PARALLEL PARALLEL
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum supply voltage (Vsup) - 5.25 V 5.25 V 5.25 V 5.25 V
Minimum supply voltage (Vsup) - 4.75 V 4.75 V 4.75 V 4.75 V
Nominal supply voltage (Vsup) - 5 V 5 V 5 V 5 V
surface mount - NO NO NO NO
technology - BICMOS BICMOS BICMOS BICMOS
Temperature level - COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal form - NO LEAD NO LEAD NO LEAD NO LEAD
Terminal location - DUAL DUAL DUAL DUAL
NRF2401 NRF24L01 NRF905 CC1100 CC2500 Wireless Transceiver Module Application Guide
NRF2401 NRF24L01 NRF905 CC1100 CC2500 Wireless Transceiver Module Programming Guide Hello, we are professional in wireless, welcome to communicate Company homepage www.newmsg.com NRF905 chip basic fea...
ck325 Robotics Development
Is anyone using Xilinx devices to do dynamic reconfiguration?
Is anyone working on dynamic reconfiguration? Which chips are everyone using?...
eeleader-mcu FPGA/CPLD
A collection of articles on embedded CC++ language
A collection of articles on embedded CC++ language...
wqd520 Embedded System
WINCE6.0 dynamic driver loading problem
出现如下错误 BUILD: [00:0000000026:PROGC ] Building LIB Pass in D:\WINCE600\PLATFORM\LPC32XX\src\drivers\GPIO\ directory.BUILD: [01:0000000036:PROGC ] Linking D:\WINCE600\platform\LPC32XX\lib\ARMV4I\debug\G...
wuxianwwwwww Embedded System
[Blog reprint] Making the smallest system board of TMS320F28035
[url]http://blog.csdn.net/w471176877/article/details/8261602[/url] [p=26, null, left][color=#000][font=Arial]Although I have a C2000 Launchpad, since 28027 does not have an encoder interface, I still ...
dontium Microcontroller MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2894  384  210  452  2338  59  8  5  10  48 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号