Datasheet > 存储 > FIFO> MS81V04160-25TB

MS81V04160-25TB

更新时间： 2024-11-10 21:53:39

品牌	Logo	应用领域
冲电气 - OKI		存储先进先出芯片
页数	文件大小	规格书
22页	111K
描述
Dual FIFO (262,214-word x 8-Bits) x 2

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MS81V04160-25TB 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	TFQFP,	针数：	100
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.32.00.71	风险等级：	5.77
Is Samacsys：	N	最长访问时间：	23 ns
周期时间：	25 ns	JESD-30 代码：	S-PQFP-G100
长度：	14 mm	内存密度：	2097152 bit
内存宽度：	8	功能数量：	2
端子数量：	100	字数：	262144 words
字数代码：	256000	工作模式：	SYNCHRONOUS
最高工作温度：	70 °C	最低工作温度：
组织：	256KX8	可输出：	YES
封装主体材料：	PLASTIC/EPOXY	封装代码：	TFQFP
封装形状：	SQUARE	封装形式：	FLATPACK, THIN PROFILE, FINE PITCH
并行/串行：	SERIAL	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	3 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	14 mm	Base Number Matches：	1

MS81V04160-25TB 数据手册

OKI Semiconductor

MS81V04160

REVISION1 1999.4.15

Dual FIFO (262,214-word x 8-Bits) x 2

GENERAL DESCRIPTION

The MS81V04160 is a single-chip 4Mb FIFO functionally composed of two OKI 2Mb FIFO

(First-In First-Out) memories which were designed for 256k x 8-bit high-speed

asynchronous read/write operation.

The read clocks and the write clocks of each of the 2Mb FIFO memories are connected in

common. The MS81V04160, functionally compatible with Oki's 2Mb FIFO memory

(MSM51V8222A), can be used as a x16 configuration FIFO.

The MS81V04160 is a field memory for wide or low end use in general commodity TVs and

VTRs exclusively and is not designed for high end use in professional graphics systems,

which require long term picture storage, data storage, medical use and other storage

systems.

The MS81V04160 provides independent control clocks to support asynchronous read and

write operations. Different clock rates are also supported, which allow alternate data rates

between write and read data streams.

The MS81V04160 provides high speed FIFO (First-in First-out) operation without external

refreshing: MS81V04160 refreshes its DRAM storage cells automatically, so that it appears

fully static to the users.

Moreover, fully static type memory cells and decoders for serial access enable the refresh

free serial access operation, so that serial read and/or write control clock can be halted

high or low for any duration as long as the power is on. Internal conflicts of memory access

and refreshing operations are prevented by special arbitration logic.

The MS81V04160’s function is simple, and similar to a digital delay device whose delay-bit-

length is easily set by reset timing. The delay length and the number of read delay clocks

between write and read, is determined by externally controlled write and read reset timings.

Additional SRAM serial registers, or line buffers for the initial access of 256 x 16-bit enable

high speed first-bit-access with no clock delay just after the write or read reset timings.

Additionally, the MS81V04160 has a write mask function or input enable function (IE), and

read- data skipping function or output enable function (OE). The differences between write

enable (WE) and input enable (IE), and between read enable (RE) and output enable (OE)

are that WE and RE can stop serial write/read address increments, but IE and OE cannot

stop the increment, when write/read clocking is continuously applied to MS81V04160. The

input enable (IE) function allows the user to write into selected locations of the memory

only, leaving the rest of the memory contents unchanged.This facilitates data processing to

display a “picture in picture” on a TV screen.

12 3 4 5 6 7...22

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与MS81V04160-25TB相关器件

型号	品牌	获取价格	描述	数据表
MS81V04160-30TB	OKI	获取价格	Dual FIFO (262,214-word x 8-Bits) x 2
MS81V04160A	OKI	获取价格	Dual FIFO (262,214 Words 】 8 Bits) 】 2
MS81V04160A-20TB	OKI	获取价格	Dual FIFO (262,214 Words 】 8 Bits) 】 2
MS81V04160A-25TB	OKI	获取价格	Dual FIFO (262,214 Words 】 8 Bits) 】 2
MS81V04166	OKI	获取价格	Dual FIFO (262,214 Words × 8 Bits) × 2
MS81V04166-30TB	OKI	获取价格	FIFO, 256KX8, 30ns, Synchronous, CMOS, PQFP100, 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-1
MS81V04166-40TB	OKI	获取价格	FIFO, 256KX8, 35ns, Synchronous, CMOS, PQFP100, 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-1
MS81V04166A	OKI	获取价格	Dual FIFO (262,214 Words × 8 Bits) × 2
MS81V04166A-20TB	OKI	获取价格	FIFO, 256KX8, 18ns, Synchronous, CMOS, PQFP100, 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-1
MS81V04166A-25TB	OKI	获取价格	FIFO, 256KX8, 23ns, Synchronous, CMOS, PQFP100, 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-1

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