Datasheet > MCM63Z918

MCM63Z918

更新时间： 2024-11-28 11:05:59

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
36页	466K
描述
256K x 36 and 512K x 18 Bit ZBT Fast Static RAM

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MCM63Z918 数据手册

Freescale Semiconductor, Inc.

SEMICONDUCTOR TECHNICAL DATA

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MCM63Z836

MCM63Z918

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256K x 36 and 512K x 18 Bit

ZBT Fast Static RAM

The ZBT RAM is an 8M–bit synchronous fast static RAM designed to provide

Zero Bus Turnaround . The ZBT RAM allows 100% use of bus cycles during

back–to–back read/write and write/read cycles. The MCM63Z836 (organized as

256K words by 36 bits) and the MCM63Z918 (organized as 512K words by 18

bits) are fabricated in Motorola’s high performance silicon gate CMOS tech-

nology. This device integrates input registers, an output register, a 2–bit address

counter, and high speed SRAM onto a single monolithic circuit for reduced parts

count in communication applications. Synchronous design allows precise cycle

control with the use of an external positive–edge–triggered clock (CK). CMOS

circuitry reduces the overall power consumption of the integrated functions for

greater reliability.

TQ PACKAGE

TQFP

CASE 983A–01

ZP PACKAGE

PBGA

CASE 999–02

Addresses (SA), data inputs (DQ), and all control signals except output enable

(G) and linear burst order (LBO) are clock (CK) controlled through positive–

edge–triggered noninverting registers.

Write cycles are internally self–timed and are initiated by the rising edge of the

clock (CK) input. This feature eliminates complex off–chip write pulse generation

and provides increased timing flexibility for incoming signals. Write data is

supplied to the memory one cycle after the write sequence initiation for the flow–

throughdevice, andtwocyclesafterthewritesequenceinitiationforthepipelined

device.

For flow–through read cycles, the SRAM allows output data to simply flow freely from the memory

array. For pipelined read cycles, the SRAM output data is temporarily stored by an edge–triggered

output register and then released to the output buffers at the next rising edge of clock (CK).

The MCM63Z836 and MCM63Z918 operate from a 3.3 V core power supply and all outputs oper-

ate on a 2.5 V or 3.3 V power supply. All inputs and outputs are JEDEC Standard JESD8–A and

JESD8–5 compatible.

•

3.3 V ±5% Core Power Supply, 2.5 V or 3.3 V I/O Supply

MCM63Z836/918–7 = 7 ns Flow–Through Access/2.6 ns Pipelined Access (225 MHz)

MCM63Z836/918–8 = 8 ns Flow–Through Access/3 ns Pipelined Access (200 MHz)

MCM63Z836/918–8.5 = 8.5 ns Flow–Through Access/3.5 ns Pipelined Access (166 MHz)

Selectable Read/Write Functionality (Flow–Through/Pipelined)

Selectable Burst Sequencing Order (Linear/Interleaved)

Internally Self–Timed Write Cycle

Two–Cycle Deselect (Pipelined)

Byte Write Control

ADV Controlled Burst

Simplified JTAG

•

100–Pin TQFP and 119–Bump PBGA Packages

ZBT and Zero Bus Turnaround are trademarks of Integrated Device Technology, Inc., and the architecture is supported by

Micron Technology, Inc. and Motorola, Inc.

This document contains information on a new product under development. Motorola reserves the right to change or discontinue this product without notice.

REV 4

12/20/99

Motorola, Inc. 1999

MOTOROLA FAST SRAM

MCM63Z836•MCM63Z918

For More Information On This Product,

Go to: www.freescale.com

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与MCM63Z918相关器件

型号	品牌	获取价格	描述	数据表
MCM63Z918TQ166	MOTOROLA	获取价格	512KX18 ZBT SRAM, 3.6ns, PQFP100, TQFP-100
MCM63Z918TQ166R	MOTOROLA	获取价格	ZBT SRAM, 512KX18, 3.6ns, CMOS, PQFP100, TQFP-100
MCM63Z918TQ200R	MOTOROLA	获取价格	ZBT SRAM, 512KX18, 3ns, CMOS, PQFP100, TQFP-100
MCM63Z918TQ225	MOTOROLA	获取价格	512KX18 ZBT SRAM, 2.6ns, PQFP100, TQFP-100
MCM63Z918TQ225R	MOTOROLA	获取价格	512KX18 ZBT SRAM, 2.6ns, PQFP100, TQFP-100
MCM63Z918TQ7	MOTOROLA	获取价格	512KX18 ZBT SRAM, 7ns, PQFP100, TQFP-100
MCM63Z918TQ7	FREESCALE	获取价格	256K x 36 and 512K x 18 Bit ZBT Fast Static RAM
MCM63Z918TQ7R	MOTOROLA	获取价格	ZBT SRAM, 512KX18, 7ns, CMOS, PQFP100, TQFP-100
MCM63Z918TQ7R	FREESCALE	获取价格	256K x 36 and 512K x 18 Bit ZBT Fast Static RAM
MCM63Z918TQ8	FREESCALE	获取价格	256K x 36 and 512K x 18 Bit ZBT Fast Static RAM

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