MCM72BA64SG50 datasheet, PDF - EEWORLD Datasheet

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MCM72BA64SG50: Description256KB and 512KB BurstRAM Secondary Cache Module for Pentium; Categorystorage storage; File Size119KB，14 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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MCM72BA64SG50 Overview

256KB and 512KB BurstRAM Secondary Cache Module for Pentium

MCM72BA64SG50 Parametric

Parameter Name	Attribute value
Maker	Motorola ( NXP )
package instruction	DIMM-136
Reach Compliance Code	unknown
ECCN code	3A991.B.2.A
Maximum access time	12 ns
Other features	BYTE WRITE; BURST COUNTER
Spare memory width	72
JESD-30 code	R-XDMA-N136
memory density	4718592 bit
Memory IC Type	CACHE SRAM MODULE
memory width	36
Number of functions	1
Number of ports	1
Number of terminals	136
word count	131072 words
character code	128000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	128KX36
Output characteristics	3-STATE
Exportable	YES
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Parallel/Serial	PARALLEL
Certification status	Not Qualified
Maximum supply voltage (Vsup)	5.25 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	NO
technology	BICMOS
Temperature level	COMMERCIAL
Terminal form	NO LEAD
Terminal location	DUAL

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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

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

MCM72BA64SG50 Related Products

	MCM72BA64SG50	MCM72BA32SG66	MCM72BA32SG60	MCM72BA32SG50	MCM72BA32
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	-

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