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UPD442000LGZ-C10X-KJH Datasheet

  • UPD442000LGZ-C10X-KJH

  • x8 SRAM

  • 24頁

  • ETC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD442000L-X
2M-BIT CMOS STATIC RAM
256K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
Description
The
碌
PD442000L-X is a high speed, low power, 2,097,152 bits (262,144 words by 8 bits) CMOS static RAM.
The
碌
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.
5
The
碌
PD442000L-X is packed in 32-pin plastic TSOP (I) (8
脳
13.4 mm) and (8
脳
20 mm).
Features
鈥?/div>
262,144 words by 8 bits organization
5
鈥?/div>
Fast access time : 70, 85, 100, 120, 150, 180 ns (MAX.)
鈥?/div>
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)
鈥?/div>
Low V
CC
data retention : 1.5 V (MIN.)
鈥?/div>
Operating ambient temperature : T
A
= 鈥?5 to +85 擄C
鈥?/div>
Output Enable input for easy application
鈥?/div>
Two Chip Enable inputs : /CE1, CE2
Part number
Access time
ns (MAX.)
Operating supply Operating ambient
voltage
V
temperature
擄C
鈭?5
to +85
At operating
mA (MAX.)
35
30
25
Supply current
At standby
At data retention
碌
A (MAX.)
2
碌
A (MAX.)
2
碌
PD442000L-BxxX
碌
PD442000L-CxxX
5
70
Note
, 85, 100
100, 120, 150
150, 180
2.7 to 3.6
2.2 to 3.6
1.8 to 3.6
碌
PD442000L-DxxX
Note
Under development
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. M12509EJ7V0DSJ1 (7th edition)
Date Published December 2000 NS CP (K)
Printed in Japan
The mark
鈥?/div>
shows major revised points.
漏
1997

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