Datasheet > 存储 > SRAM> CY7C025-35JCR

CY7C025-35JCR

更新时间： 2024-11-07 13:07:11

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		/
页数	文件大小	规格书
21页	524K
描述
Multi-Port SRAM, 8KX16, 35ns, CMOS, PQCC84, PLASTIC, LCC-84

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技术参数
数据手册

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CY7C025-35JCR 技术参数

生命周期：	Obsolete	零件包装代码：	LCC
包装说明：	QCCJ,	针数：	84
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.32.00.41	风险等级：	5.35
最长访问时间：	35 ns	其他特性：	INTERRUPT FLAG
JESD-30 代码：	S-PQCC-J84	长度：	29.3116 mm
内存密度：	131072 bit	内存集成电路类型：	MULTI-PORT SRAM
内存宽度：	16	功能数量：	1
端口数量：	2	端子数量：	84
字数：	8192 words	字数代码：	8000
工作模式：	ASYNCHRONOUS	最高工作温度：	70 °C
最低工作温度：		组织：	8KX16
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：	29.3116 mm	Base Number Matches：	1

CY7C025-35JCR 数据手册

CY7C024/0241

CY7C025/0251

4K x 16/18 and 8K x 16/18 Dual-Port

Static RAM with SEM, INT, BUSY

Functional Description

Features

• True Dual-Ported memory cells which allow simulta-

The CY7C024/0241 and CY7C025/0251 are low-power

CMOS 4K x 16/18 and 8K x 16/18 dual-port static RAMs.

Various arbitration schemes are included on the CY7C024/

0241 and CY7C025/0251 to handle situations when multiple

processors access the same piece of data. Two ports are

provided, permitting independent, asynchronous access for

reads and writes to any location in memory. The CY7C024/

0241 and CY7C025/0251 can be utilized as standalone

16-/18-bit dual-port static RAMs or multiple devices can be

combined in order to function as a 32-/36-bit or wider master/

slave dual-port static RAM. An M/S pin is provided for imple-

menting 32-/36-bit or wider memory applications without the

need for separate master and slave devices or additional

discrete logic. Application areas include interprocessor/multi-

processor designs, communications status buffering, and

dual-port video/graphics memory.

Each port has independent control pins: Chip Enable (CE),

Read or Write Enable (R/W), and Output Enable (OE). Two

flags are provided on each port (BUSY and INT). BUSY

signals that the port is trying to access the same location

currently being accessed by the other port. The Interrupt Flag

(INT) permits communication between ports or systems by

means of a mail box. The semaphores are used to pass a flag,

or token, from one port to the other to indicate that a shared

resource is in use. 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

select (CE) pin.

neous reads of the same memory location

• 4K x 16 organization (CY7C024)

• 4K x 18 organization (CY7C0241)

• 8K x 16 organization (CY7C025)

• 8K x 18 organization (CY7C0251)

• 0.65-micron CMOS for optimum speed/power

• High-speed access: 15 ns

• Low operating power: I_CC= 150 mA (typ.)

• Fully asynchronous operation

• Automatic power-down

• Expandable data bus to 32/36 bits or more using

Master/Slave chip select when using more than one

device

• On-chip arbitration logic

• Semaphores included to permit software handshaking

between ports

• INT flag for port-to-port communication

• Separate upper-byte and lower-byte control

• Pin select for Master or Slave

• Available in 84-pin Lead (Pb)-free PLCC, 84-pin PLCC,

100-pin Lead (Pb)-free TQFP, and 100-pin TQFP

The CY7C024/0241 and CY7C025/0251 are available in

84-pin Lead (Pb)-free PLCCs, 84-pin PLCCs (CY7C024 and

CY7C025 only), 100-pin Lead (Pb)-free Thin Quad Plastic

Flatplack (TQFP) and 100-pin Thin Quad Plastic Flatpack.

Cypress Semiconductor Corporation

•

3901 North First Street

•

San Jose, CA 95134

•

408-943-2600

Document #: 38-06035 Rev. *C

Revised November 11, 2004

12 3 4 5 6 7...21

中文翻译

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与CY7C025-35JCR相关器件

型号	品牌	获取价格	描述	数据表
CY7C025-35JCT	CYPRESS	获取价格	暂无描述
CY7C025-35JI	CYPRESS	获取价格	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY
CY7C025-35JIR	CYPRESS	获取价格	Multi-Port SRAM, 8KX16, 35ns, CMOS, PQCC84, PLASTIC, LCC-84
CY7C025-35JIT	CYPRESS	获取价格	Dual-Port SRAM, 8KX16, 35ns, CMOS, PQCC84, PLASTIC, LCC-84
CY7C025-35JXC	CYPRESS	获取价格	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY
CY7C025-35JXI	CYPRESS	获取价格	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY
CY7C025-55AC	CYPRESS	获取价格	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY
CY7C025-55AC	ROCHESTER	获取价格	8KX16 DUAL-PORT SRAM, 55ns, PQFP100, PLASTIC, TQFP-100
CY7C025-55AI	ROCHESTER	获取价格	8KX16 DUAL-PORT SRAM, 55ns, PQFP100, PLASTIC, TQFP-100
CY7C025-55AI	CYPRESS	获取价格	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY

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