Datasheet > CY7C1327G_06

CY7C1327G_06

更新时间： 2024-11-23 05:19:11

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器
页数	文件大小	规格书
18页	373K
描述
4-Mbit (256K x 18) Pipelined Sync SRAM

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CY7C1327G_06 数据手册

CY7C1327G

4-Mbit (256K x 18) Pipelined Sync SRAM

Features

Functional Description^[1]

• Registered inputs and outputs for pipelined operation

• 256K ×18 common I/O architecture

The CY7C1327G SRAM integrates 256K x 18 SRAM cells with

advanced synchronous peripheral circuitry and a two-bit

counter for internal burst operation. All synchronous inputs are

gated by registers controlled by a positive-edge-triggered

Clock Input (CLK). The synchronous inputs include all

addresses, all data inputs, address-pipelining Chip Enable

(CE₁), depth-expansion Chip Enables (CE₂and CE₃), Burst

Control inputs (ADSC, ADSP, and ADV), Write Enables

(BW_[A:B], and BWE), and Global Write (GW). Asynchronous

inputs include the Output Enable (OE) and the ZZ pin.

• 3.3V core power supply (V_DD

)

• 2.5V I/O power supply (V_DDQ

• Fast clock-to-output times

)

— 2.6 ns (for 250-MHz device)

• Provide high-performance 3-1-1-1 access rate

• User-selectable burst counter supporting Intel^®

Addresses and chip enables are registered at rising edge of

clock when either Address Strobe Processor (ADSP) or

Address Strobe Controller (ADSC) are active. Subsequent

burst addresses can be internally generated as controlled by

the Advance pin (ADV).

Pentium^®interleaved or linear burst sequences

• Separate processor and controller address strobes

• Synchronous self-timed writes

• Asynchronous output enable

Address, data inputs, and write controls are registered on-chip

to initiate a self-timed Write cycle.This part supports Byte Write

operations (see Pin Descriptions and Truth Table for further

details). Write cycles can be one to two bytes wide as

controlled by the byte write control inputs. GW when active

• Offered in lead-free 100-pin TQFP package, lead-free

and non-lead-free 119-ball BGA package

• “ZZ” Sleep Mode Option

causes all bytes to be written.

LOW

The CY7C1327G operates from a +3.3V core power supply

while all outputs also operate with a +3.3V or a +2.5V supply.

All inputs and outputs are JEDEC-standard JESD8-5-

compatible.

Logic Block Diagram

ADDRESS

A0, A1, A

A[1:0]

MODE

ADV

CLK

BURST

COUNTER AND

LOGIC

CLR

ADSC

ADSP

DQB,DQP

WRITE REGISTER

WRITE DRIVER

OUTPUT

BUFFERS

DQs

DQP

OUTPUT

REGISTERS

SENSE

AMPS

MEMORY

ARRAY

DQA,DQP

WRITE REGISTER

WRITE DRIVER

BWE

INPUT

REGISTERS

ENABLE

CE1

CE2

PIPELINED

ENABLE

CE3

SLEEP

CONTROL

Note:

1. For best-practices recommendations, please refer to the Cypress application note System Design Guidelines on www.cypress.com.

Cypress Semiconductor Corporation

Document #: 38-05519 Rev. *F

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised July 5, 2006

12 3 4 5 6 7...18

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与CY7C1327G_06相关器件

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CY7C1327G_12	CYPRESS	获取价格	4-Mbit (256 K Ã 18) Pipelined Sync SRAM
CY7C1327G_13	CYPRESS	获取价格	4-Mbit (256 K x 18) Pipelined Sync SRAM
CY7C1327G-100AXC	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-100AXI	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-100BGC	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-100BGI	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-100BGXC	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-100BGXI	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-133AXC	CYPRESS	获取价格	4-Mbit (256K x 18) Pipelined Sync SRAM
CY7C1327G-133AXCT	CYPRESS	获取价格	Cache SRAM, 256KX18, 4ns, CMOS, PQFP100, 14 X 20 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026, TQ

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