MCM69R736AZP8R 데이터 시트보기 (PDF) - Motorola => Freescale

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MCM69R736AZP8R

4M Late Write HSTL

Motorola => Freescale 

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Advance Information

4M Late Write HSTL

The MCM69R736A/818A is a 4 megabit synchronous late write fast static RAM

designed to provide high performance in secondary cache and ATM switch,

Telecom, and other high speed memory applications. The MCM69R818A

organized as 256K words by 18 bits, and the MCM69R736A organized as 128K

words by 36 bits wide are fabricated in Motorola’s high performance silicon gate

BiCMOS technology.

The differential CK clock inputs control the timing of read/write operations of

the RAM. At the rising edge of the CK clock all addresses, write enables, and

synchronous selects are registered. An internal buffer and special logic enable

the memory to accept write data on the rising edge of the CK clock a cycle after

address and control signals. Read data is driven on the rising edge of the CK

clock also.

The RAM uses HSTL inputs and outputs. The adjustable input trip – point (Vref)

and output voltage (VDDQ) gives the system designer greater flexibility in

optimizing system performance.

The synchronous write and byte enables allow writing to individual bytes or the

entire word.

The impedance of the output buffers is programmable allowing the outputs to

match the impedance of the circuit traces which reduces signal reflections.

• Byte Write Control

• Single 3.3 V +10%, – 5% Operation

• HSTL – I/O (JEDEC Standard JESD8–6 Class I Compatible)

• HSTL – User Selectable Input Trip–Point

• HSTL – Compatible Programmable Impedance Output Drivers

• Register to Register Synchronous Operation

• Asynchronous Output Enable

• Boundary Scan (JTAG) IEEE 1149.1 Compatible

• Differential Clock Inputs

• Optional x 18 or x 36 organization

• MCM69R736A/818A–5 = 5 ns

MCM69R736A/818A–6 = 6 ns

MCM69R736A/818A–7 = 7 ns

MCM69R736A/818A–8 = 8 ns

• Sleep Mode Operation (ZZ Pin)

• 119 Bump, 50 mil (1.27 mm) Pitch, 14 mm x 22 mm Plastic Ball Grid Array

(PBGA) Package

Order this document

by MCM69R736A/D

MCM69R736A

MCM69R818A

ZP PACKAGE

PBGA

CASE 999–01

This document contains information on a new product. Specifications and information herein are subject to change without notice.

REV 1

8/20/97

M© OMoTtoOroRla,OInLc.A19F97AST SRAM

MCM69R736A•MCM69R818A

1

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