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MSM518221-25ZS

描述：
Memory Circuit, 256KX8, CMOS, PZIP28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, ZIP-28
分类：
存储    存储   
文件大小：
236KB，共17页
制造商：
LAPIS Semiconductor Co Ltd
概述
Memory Circuit, 256KX8, CMOS, PZIP28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, ZIP-28
器件参数
参数名称
属性值
是否Rohs认证
不符合
厂商名称
LAPIS Semiconductor Co Ltd
零件包装代码
ZIP
包装说明
ZIP, ZIP28,.1
针数
28
Reach Compliance Code
unknown
其他特性
INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH
JESD-30 代码
R-PZIP-T28
JESD-609代码
e0
长度
36 mm
内存密度
2097152 bit
内存集成电路类型
MEMORY CIRCUIT
内存宽度
8
功能数量
1
端子数量
28
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
封装主体材料
PLASTIC/EPOXY
封装代码
ZIP
封装等效代码
ZIP28,.1
封装形状
RECTANGULAR
封装形式
IN-LINE
电源
5 V
认证状态
Not Qualified
座面最大高度
10.16 mm
最大待机电流
0.005 A
最大压摆率
0.06 mA
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
NO
技术
CMOS
温度等级
COMMERCIAL
端子面层
Tin/Lead (Sn/Pb)
端子形式
THROUGH-HOLE
端子节距
1.27 mm
端子位置
ZIG-ZAG
宽度
2.8 mm
文档预览
Dear customers,
About the change in the name such as "Oki Electric Industry Co. Ltd." and
"OKI" in documents to OKI Semiconductor Co., Ltd.
The semiconductor business of Oki Electric Industry Co., Ltd. was succeeded to OKI
Semiconductor Co., Ltd. on October 1, 2008.
Therefore, please accept that although
the terms and marks of "Oki Electric Industry Co., Ltd.", “Oki Electric”, and "OKI"
remain in the documents, they all have been changed to "OKI Semiconductor Co., Ltd.".
It is a change of the company name, the company trademark, and the logo, etc. , and
NOT a content change in documents.
October 1, 2008
OKI Semiconductor Co., Ltd.
550-1 Higashiasakawa-cho, Hachioji-shi, Tokyo 193-8550, Japan
http://www.okisemi.com/en/
E2L0032-17-Y1
¡ Semiconductor
¡ Semiconductor
MSM518221
262,214-Word
¥
8-Bit Field Memory
This version: Jan. 1998
MSM518221
Previous version: Dec. 1996
DESCRIPTION
The OKI MSM518221 is a high performance 2-Mbit, 256K
¥
8-bit, Field Memory. It is designed for
high-speed serial access applications such as HDTVs, conventional NTSC TVs, VTRs, digital movies
and Multi-media systems. The 2-Mbit capacity fits one field of a conventional NTSC TV screen.
Each of the 8-bit planes has separate serial write and read ports. These employ 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 MSM518221 provides high speed FIFO, First-In First-Out, operation without external refreshing:
it 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 MSM518221'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
¥
8-bit enable high speed
first-bit-access with no clock delay just after the write or read reset timings.
The MSM518221 is similar in operation and functionality to OKI 1-Mbit Field Memory MSM514221B.
It 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 MSM518221. 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.
1/16
¡ Semiconductor
MSM518221
FEATURES
• Single power supply : 5 V
±10%
• 512 Rows
¥
512 Columns
¥
8 bits
• Fast FIFO (First-In First-Out) operation
• High speed asynchronous serial access
Read/write cycle time
25 ns/30 ns/40 ns
Access time
25 ns/25 ns/30 ns
• Functional compatibility with OKI MSM514221B
• Write mask function (Input enable control)
• Data skipping function (Output enable control)
• Self refresh (No refresh control is required)
• Package options :
28-pin 400 mil plastic ZIP
(ZIP28-P-400-1.27)
28-pin 400 mil plastic SOJ
(SOJ28-P-400-1.27)
28-pin 430 mil plastic SOP
(SOP28-P-430-1.27-K)
(Product : MSM518221-xxZS)
(Product : MSM518221-xxJS)
(Product : MSM518221-xxGS-K)
xx indicates speed rank.
PRODUCT FAMILY
Family
MSM518221-25ZS
MSM518221-30ZS
MSM518221-40ZS
MSM518221-25JS
MSM518221-30JS
MSM518221-40JS
MSM518221-30GS-K
MSM518221-40GS-K
Access Time (Max.)
25 ns
25 ns
30 ns
25 ns
25 ns
30 ns
25 ns
30 ns
Cycle Time (Min.)
25 ns
30 ns
40 ns
25 ns
30 ns
40 ns
30 ns
40 ns
430 mil 28-pin SOP
400 mil 28-pin SOJ
400 mil 28-pin ZIP
Package
2/16
¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
WE
D
IN
0
D
IN
2
V
CC
D
IN
5
1
3
5
7
9
2
4
6
8
IE
D
IN
1
D
IN
3
D
IN
4
10 D
IN
6
12 RSTW
14 NC
16 RE
18 D
OUT
7
20 D
OUT
5
22 V
SS
24 D
OUT
2
26 D
OUT
0
28 SRCK
D
IN
7 11
SWCK 13
NC 15
OE 17
D
OUT
6 19
D
OUT
4 21
D
OUT
3 23
D
OUT
1 25
RSTR 27

D
IN
4 1
D
IN
5 2
D
IN
6 3
D
IN
7 4
28 V
CC
D
IN
4 1
D
IN
5 2
D
IN
6 3
D
IN
7 4
27 D
IN
3
26 D
IN
2
25 D
IN
1
24 D
IN
0
23 IE
22 WE
21 NC
RSTW 5
NC 7
RE 8
OE 9
RSTW 5
SWCK 6
SWCK 6
NC 7
RE 8
OE 9
20 SRCK
19 RSTR
D
OUT
7 10
D
OUT
6 11
D
OUT
5 12
D
OUT
4 13
V
SS
14
D
OUT
7 10
D
OUT
6 11
D
OUT
5 12
D
OUT
4 13
V
SS
14
18 D
OUT
0
17 D
OUT
1
16 D
OUT
2
15 D
OUT
3
28-Pin Plastic SOJ
MSM518221
28 V
CC
27 D
IN
3
26 D
IN
2
25 D
IN
1
24 D
IN
0
23 IE
22 WE
21 NC
20 SRCK
19 RSTR
18 D
OUT
0
17 D
OUT
1
16 D
OUT
2
15 D
OUT
3
28-Pin Plastic SOP
28-Pin Plastic ZIP
Pin Name
SWCK
SRCK
WE
RE
IE
OE
RSTW
RSTR
D
IN
0 - 7
D
OUT
0 - 7
V
CC
V
SS
NC
Function
Serial Write Clock
Serial Read Clock
Write Enable
Read Enable
Input Enable
Output Enable
Write Reset Clock
Read Reset Clock
Data Input
Data Output
Power Supply (5 V)
Ground (0 V)
No Connection
3/16
¡ Semiconductor
D
OUT
(¥ 8)
OE
RE
BLOCK DIAGRAM
RSTR
SRCK
Data-out
Buffer (¥ 8)
Serial
Read
Controller
512 Word Serial Read Register (¥ 8)
Read Line Buffer
Low-Half (¥ 8)
256 (¥ 8)
71 Word
Sub-Register (¥ 8)
256K (¥ 8)
Memory
Array
71 Word
Sub-Register (¥ 8)
256 (¥ 8)
Write Line Buffer
Low-Half (¥ 8)
256 (¥ 8)
Write Line Buffer
High-Half (¥ 8)
Clock
Oscillator
X
Decoder
Read/Write
and Refresh
Controller
Read Line Buffer
High-Half (¥ 8)
256 (¥ 8)
512 Word Serial Write Register (¥ 8)
V
BB
Generator
Data-in
Buffer (¥ 8)
MSM518221
Serial
Write
Controller
4/16
D
IN
(¥ 8)
IE
WE
RSTW
SWCK
查看更多>
参数对比
与MSM518221-25ZS相近的元器件有：MSM518221-40JS、MSM518221-30JS、MSM518221-40ZS、MSM518221-30ZS、MSM518221-25JS、MSM518221-40GS-K、MSM518221-30GS-K。描述及对比如下：
型号 MSM518221-25ZS MSM518221-40JS MSM518221-30JS MSM518221-40ZS MSM518221-30ZS MSM518221-25JS MSM518221-40GS-K MSM518221-30GS-K
描述 Memory Circuit, 256KX8, CMOS, PZIP28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, ZIP-28 Memory Circuit, 256KX8, CMOS, PDSO28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, SOJ-28 Memory Circuit, 256KX8, CMOS, PDSO28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, SOJ-28 Memory Circuit, 256KX8, CMOS, PZIP28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, ZIP-28 Memory Circuit, 256KX8, CMOS, PZIP28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, ZIP-28 Memory Circuit, 256KX8, CMOS, PDSO28, 0.400 INCH, 1.27 MM PITCH, PLASTIC, SOJ-28 Memory Circuit, 256KX8, CMOS, PDSO28, 0.430 INCH, 1.27 MM PITCH, PLASTIC, SOP-28 Memory Circuit, 256KX8, CMOS, PDSO28, 0.430 INCH, 1.27 MM PITCH, PLASTIC, SOP-28
是否Rohs认证 不符合 不符合 不符合 不符合 不符合 不符合 不符合 不符合
零件包装代码 ZIP SOJ SOJ ZIP ZIP SOJ SOIC SOIC
包装说明 ZIP, ZIP28,.1 SOJ, SOJ28,.44 SOJ, SOJ28,.44 ZIP, ZIP28,.1 ZIP, ZIP28,.1 SOJ, SOJ28,.44 SOP, SOP28,.45 SOP, SOP28,.45
针数 28 28 28 28 28 28 28 28
Reach Compliance Code unknown unknown unknown unknown unknown unknown unknown unknow
JESD-30 代码 R-PZIP-T28 R-PDSO-J28 R-PDSO-J28 R-PZIP-T28 R-PZIP-T28 R-PDSO-J28 R-PDSO-G28 R-PDSO-G28
JESD-609代码 e0 e0 e0 e0 e0 e0 e0 e0
长度 36 mm 18.41 mm 18.41 mm 36 mm 36 mm 18.41 mm 18.5 mm 18.5 mm
内存密度 2097152 bit 2097152 bit 2097152 bit 2097152 bit 2097152 bit 2097152 bit 2097152 bit 2097152 bi
内存集成电路类型 MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT MEMORY CIRCUIT
内存宽度 8 8 8 8 8 8 8 8
功能数量 1 1 1 1 1 1 1 1
端子数量 28 28 28 28 28 28 28 28
字数 262144 words 262144 words 262144 words 262144 words 262144 words 262144 words 262144 words 262144 words
字数代码 256000 256000 256000 256000 256000 256000 256000 256000
工作模式 SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
最高工作温度 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
组织 256KX8 256KX8 256KX8 256KX8 256KX8 256KX8 256KX8 256KX8
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 ZIP SOJ SOJ ZIP ZIP SOJ SOP SOP
封装等效代码 ZIP28,.1 SOJ28,.44 SOJ28,.44 ZIP28,.1 ZIP28,.1 SOJ28,.44 SOP28,.45 SOP28,.45
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 IN-LINE SMALL OUTLINE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
电源 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 10.16 mm 3.75 mm 3.75 mm 10.16 mm 10.16 mm 3.75 mm 2.5 mm 2.5 mm
最大待机电流 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A 0.005 A
最大压摆率 0.06 mA 0.04 mA 0.05 mA 0.04 mA 0.05 mA 0.06 mA 0.04 mA 0.05 mA
最大供电电压 (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
最小供电电压 (Vsup) 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V
标称供电电压 (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
表面贴装 NO YES YES NO NO YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
端子形式 THROUGH-HOLE J BEND J BEND THROUGH-HOLE THROUGH-HOLE J BEND GULL WING GULL WING
端子节距 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm
端子位置 ZIG-ZAG DUAL DUAL ZIG-ZAG ZIG-ZAG DUAL DUAL DUAL
宽度 2.8 mm 10.16 mm 10.16 mm 2.8 mm 2.8 mm 10.16 mm 8.8 mm 8.8 mm
厂商名称 LAPIS Semiconductor Co Ltd - LAPIS Semiconductor Co Ltd LAPIS Semiconductor Co Ltd LAPIS Semiconductor Co Ltd LAPIS Semiconductor Co Ltd LAPIS Semiconductor Co Ltd LAPIS Semiconductor Co Ltd
其他特性 INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH INTERNAL 512 ROWS X 512 COLUMN X 8 BITS; SELF REFRESH - -
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器件捷径:
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