參數(shù)資料
型號: μPD42S17405
廠商: NEC Corp.
英文描述: 16 M-Bit Dynamic RAM(16M 動態(tài)RAM)
中文描述: 16 m位動態(tài)隨機存儲器(RAM的1,600動態(tài))
文件頁數(shù): 1/40頁
文件大?。?/td> 319K
代理商: ΜPD42S17405
1995
DATA SHEET
MOS INTEGRATED CIRCUIT
Description
The
μ
PD42S17405, 4217405 are 4,194,304 words by 4 bits CMOS dynamic RAMs with optional EDO.
EDO is a kind of the page mode and is useful for the read operation.
Besides, the
μ
PD42S17405 can execute CAS before RAS self refresh.
The
μ
PD42S17405, 4217405 are packaged in 26-pin plastic TSOP (II) and 26-pin plastic SOJ.
Features
EDO (Hyper page mode)
4,194,304 words by 4 bits organization
Single +5.0 V
±
10 % power supply
Fast access and cycle time
Power
consumption
Active (MAX.)
Access time
(MAX.)
R/W cycle time
(MIN.)
EDO (Hyper page mode)
cycle time (MIN.)
Part number
μ
PD42S17405-50, 4217405-50
660 mW
50 ns
84 ns
20 ns
μ
PD42S17405-60, 4217405-60
605 mW
60 ns
104 ns
25 ns
μ
PD42S17405-70, 4217405-70
550 mW
70 ns
124 ns
30 ns
μ
PD42S17405 can execute CAS before RAS self refresh
Part number
Refresh cycle
Refresh
Power consumption
at standby (MAX.)
μ
PD42S17405
2,048 cycles/128 ms
CAS before RAS self refresh
CAS before RAS refresh
RAS only refresh
Hidden refresh
1.4 mW
(CMOS level input)
μ
PD4217405
2,048 cycles/32 ms
CAS before RAS refresh
RAS only refresh
Hidden refresh
5.5 mW
(CMOS level input)
μ
PD42S17405, 4217405
16 M-BIT DYNAMIC RAM
4 M-WORD BY 4-BIT, EDO
The mark
shows major revised points.
The information in this document is subject to change without notice.
Document No. M10067EJ6V0DS00 (6th edition)
Date Published January 1997 N
Printed in Japan
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