參數(shù)資料
型號: μPD442000L-X
廠商: NEC Corp.
英文描述: 2M-Bit CMOS Static RAM(2M CMOS SRAM)
中文描述: 200萬位CMOS靜態(tài)RAM(SRAM的200萬的CMOS)
文件頁數(shù): 1/32頁
文件大小: 187K
代理商: ΜPD442000L-X
1997
MOS INTEGRATED CIRCUIT
μ
PD442000L-X
2M-BIT CMOS STATIC RAM
256K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
DATA SHEET
Document No. M12509EJ6V0DS00 (6th edition)
Date Published August 1998 NS CP (K)
Printed in Japan
The information in this document is subject to change without notice.
The mark
#
shows major revised points.
Description
The
μ
PD442000L-X is a high speed, low power, 2,097,152 bits (262,144 words by 8 bits) CMOS static RAM.
The
μ
PD442000L-X has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available.
B, C and D versions are low voltage versions.
The
μ
PD442000L-X is packed in 32-pin plastic TSOP (I) and 36-pin plastic FPBGA.
Features
262,144 words by 8 bits organization
Fast access time : 70, 85,100,120,150,180, 250 ns (MAX.)
Low voltage operation (B version: V
CC
= 2.7 to 3.6 V, C version: V
CC
= 2.2 to 3.6 V, D version: V
CC
= 1.8 to 3.6 V)
Operating ambient temperature (X version: T
A
= –25 to +85 °C)
1.5 V (MIN.) data retention
Output Enable input for easy application
Two Chip Enable inputs: /CE1, CE2
Part number
Access time
Operating supply
Operating ambient
Supply current
ns (MAX.)
voltage
V
temperature
°C
At operating
mA (MAX.)
At standby
μ
A (MAX.)
At data retention
μ
A (MAX.)
μ
PD442000L-BxxX
70
Note
, 85, 100
2.7 to 3.6
25 to +85
35
2
2
μ
PD442000L-CxxX
100, 120, 150
2.2 to 3.6
30
μ
PD442000L-DxxX
150, 180, 250
1.8 to 3.6
25
Note
Under development
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