Datasheet > CY7C135-55JCT

CY7C135-55JCT

更新时间： 2024-11-19 08:51:15

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器内存集成电路
页数	文件大小	规格书
12页	401K
描述
Dual-Port SRAM, 4KX8, 55ns, CMOS, PQCC52, PLASTIC, LCC-52

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技术参数
数据手册

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CY7C135-55JCT 技术参数

生命周期：	Obsolete	零件包装代码：	LCC
包装说明：	PLASTIC, LCC-52	针数：	52
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.32.00.41	风险等级：	5.82
最长访问时间：	55 ns	JESD-30 代码：	S-PQCC-J52
长度：	19.1262 mm	内存密度：	32768 bit
内存集成电路类型：	DUAL-PORT SRAM	内存宽度：	8
功能数量：	1	端口数量：	2
端子数量：	52	字数：	4096 words
字数代码：	4000	工作模式：	ASYNCHRONOUS
最高工作温度：	70 °C	最低工作温度：
组织：	4KX8	输出特性：	3-STATE
可输出：	YES	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCJ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	并行/串行：	PARALLEL
认证状态：	Not Qualified	座面最大高度：	5.08 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	宽度：	19.1262 mm

CY7C135-55JCT 数据手册

CY7C135, CY7C135A

CY7C1342

4K x 8 Dual-Port Static RAM and 4K x 8

Dual-Port SRAM with Semaphores

Features

Functional Description

■

True dual-ported memory cells, which allow simultaneous

reads of the same memory location

The CY7C135/135A^[1]and CY7C1342 are high speed CMOS 4K

x 8 dual-port static RAMs. The CY7C1342 includes semaphores

that provide a means to allocate portions of the dual-port RAM

or any shared resource. Two ports are provided permitting

independent, asynchronous access for reads and writes to any

location in memory. Application areas include interpro-

■

4K x 8 organization

0.65 micron CMOS for optimum speed and power

High speed access: 15 ns

cessor/multiprocessor

designs,

communications

status

buffering, and dual-port video/graphics memory.

Low operating power: I_CC= 160 mA (max)

Fully asynchronous operation

Automatic power down

Each port has independent control pins: chip enable (CE), read

or write enable (R/W), and output enable (OE). The

CY7C135/135A is suited for those systems that do not require

on-chip arbitration or are intolerant of wait states. Therefore, the

user must be aware that simultaneous access to a location is

possible. Semaphores are offered on the CY7C1342 to assist in

arbitrating between ports. The semaphore logic is comprised of

eight shared latches. Only one side can control the latch

(semaphore) at any time. Control of a semaphore indicates that

a shared resource is in use. An automatic power down feature is

controlled independently on each port by a chip enable (CE) pin

or SEM pin (CY7C1342 only).

Semaphores included on the 7C1342 to permit software

handshaking between ports

■

Available in 52-pin PLCC

Pb-free packages available

The CY7C135/135A and CY7C1342 are available in 52-pin

PLCC.

Logic Block Diagram

R/W_L

R/W_R

CE_L

OE_L

CE_R

OE_R

I/O_7L

I/O_7R

I/O_0R

I/O

CONTROL

I/O

CONTROL

I/O_0L

A_11L

A_11R

ADDRESS

DECODER

ADDRESS

DECODER

MEMORY

ARRAY

A_0L

A_0R

SEMAPHORE

ARBITRATION

(7C1342 only)

CE_L

OE_L

CE_R

OE_R

R/W_L

R/W_R

(7C1342 only)

SEM_R

SEM_L

Note

1. CY7C135 and CY7C135A are functionally identical

Cypress Semiconductor Corporation

Document #: 38-06038 Rev. *D

•

198 Champion Court

•

San Jose

CA 95134-1709

•

408-943-2600

Revised December 09, 2008

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与CY7C135-55JCT相关器件

型号	品牌	获取价格	描述	数据表
CY7C135-55JI	CYPRESS	获取价格	4K x 8 Dual-Port Static RAM and 4K x 8 Dual-Port SRAM with Semaphores
CY7C135-55JIR	CYPRESS	获取价格	Dual-Port SRAM, 4KX8, 55ns, CMOS, PQCC52, PLASTIC, LCC-52
CY7C135-55JIT	CYPRESS	获取价格	Dual-Port SRAM, 4KX8, 55ns, CMOS, PQCC52, PLASTIC, LCC-52
CY7C1355A	CYPRESS	获取价格	256K x 36/512K x 18 Synchronous Flow-Thru SRAM with NoBL Architecture
CY7C1355A-100AC	CYPRESS	获取价格	256K x 36/512K x 18 Synchronous Flow-Thru SRAM with NoBL Architecture
CY7C1355A-100AI	CYPRESS	获取价格	ZBT SRAM, 256KX36, 7.5ns, CMOS, PQFP100, 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-100
CY7C1355A-100BGC	CYPRESS	获取价格	256K x 36/512K x 18 Synchronous Flow-Thru SRAM with NoBL Architecture
CY7C1355A-100BGC	ROCHESTER	获取价格	256KX36 ZBT SRAM, 7.5ns, PBGA119, 14 X 22 MM, 2.40 MM HEIGHT, BGA-119
CY7C1355A-100BGI	CYPRESS	获取价格	ZBT SRAM, 256KX36, 7.5ns, CMOS, PBGA119, 14 X 22 MM, 2.40 MM HEIGHT, FBGA-119
CY7C1355A1-100AC	CYPRESS	获取价格	ZBT SRAM, 256KX36, 8ns, CMOS, PQFP100, 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-100

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