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參數(shù)資料
| 型號(hào)： | MSM54C864-80JS |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 65,536-Word X 8-Bit Multiport DRAM |
| 中文描述： | 65,536字× 8位多端口內(nèi)存 |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 368K |
| 代理商： | MSM54C864-80JS |
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Semiconductor
MSM54C864
1/33
65,536-Word
￥
8-Bit Multiport DRAM
DESCRIPTION
The MSM54C864 is a 512Kbit CMOS multiport memory composed of a 65,536-word by 8-bit
dynamic random access memory, RAM port, and a 256-word by 8-bit static serial access memory,
SAM port. The RAM port and SAM port operate independently and asynchronously.
The MSM54C864 supports three types of operation : random access to and from the RAM port,
high speed serial access to and from the SAM port and bidirectional transfer of data between any
selected row in the RAM port and the SAM port. The RAM port and the SAM port can be accessed
independently except when data is being transferred between them internally.
FEATURES
Single power supply of 5 V
±
10% with a built-in V
BB
generator
All inputs and outputs: TTL compatible
Multiport organization
RAM port:
64K word
￥
8 bits
SAM port:
256 word
￥
8 bits
RAM port
Fast page mode, Read-modify-write
CAS
before
RAS
refresh, Hidden refresh
RAS
only refresh, Standard write-per-bit
SAM port
High speed serial
Read / Write capability
Fully static register
256 tap location
RAM-SAM bidirectional, Read / Write / Pseudo write, Real time read transfer
Refresh : 256 cycles/4 ms
Package options:
40-pin 475 mil plastic ZIP
(ZIP40-P-475-1.27)
40-pin 400 mil plastic SOJ
(SOJ40-P-400-1.27)
(Product : MSM54C864-xxZS)
(Product : MSM54C864-xxJS)
xx indicates speed rank.
PRODUCT FAMILY
MSM54C864-70
MSM54C864-80
MSM54C864-10
Access Time
RAM
70 ns
80 ns
100 ns
SAM
25 ns
25 ns
25 ns
Cycle Time
RAM
140 ns
150 ns
180 ns
SAM
30 ns
30 ns
30 ns
Power Dissipation
Operating
120 mA
110 mA
100 mA
Standby
8 mA
8 mA
8 mA
Family
E2L0010-17-Y1
This version: Jan. 1998
Previous version: Dec. 1996
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM54C864-80ZS | 65,536-Word X 8-Bit Multiport DRAM |
| MSM54C865 | 65,536-Word X 8-Bit Multiport DRAM |
| MSM54C865-10 | 65,536-Word X 8-Bit Multiport DRAM |
| MSM54C865-10JS | 65,536-Word X 8-Bit Multiport DRAM |
| MSM54C865-10ZS | 65,536-Word X 8-Bit Multiport DRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM54V12222A-30TS-K | 制造商:OKI Semiconductor 功能描述:FIELD/FRAME/LINE MEMORY, 44 Pin, Plastic, TSOP |
| MSM54V12222B-25JDR17 | 制造商:ROHM Semiconductor 功能描述: |
| MSM54V12222B-25JSDR1 | 制造商:ROHM Semiconductor 功能描述: |
| MSM54V12222B-25T3-K7 | 制造商:ROHM Semiconductor 功能描述: |
| MSM54V12222B-25T3R17 | 制造商:ROHM Semiconductor 功能描述: |
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