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UPD444012AGY-C85X-MKH Datasheet

  • UPD444012AGY-C85X-MKH

  • x16 SRAM

  • 28頁

  • ETC

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PRELIMINARY DATA SHEET
碌
PD444012A-X
4M-BIT CMOS STATIC RAM
256K-WORD BY 16-BIT
EXTENDED TEMPERATURE OPERATION
Description
The
碌
PD444012A-X is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM.
The
碌
PD444012A-X has two chip enable pins (/CE1, CE2) to extend the capacity.
The
碌
PD444012A-X is packed in 48-pin plastic TSOP (I).
MOS INTEGRATED CIRCUIT
Features
鈥?/div>
262,144 words by 16 bits organization
鈥?/div>
Fast access time: 55, 70, 85, 100, 120, 150 ns (MAX.)
鈥?/div>
Byte data control: /LB (I/O1 - I/O8), /UB (I/O9 - I/O16)
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>
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
2.7 to 3.6
2.2 to 3.6
1.8 to 3.6
temperature
擄C
鈭?5
to +85
At operating
mA (MAX.)
40
Note
Supply current
At standby
碌
A (MAX.)
7
At data retention
碌
A (MAX.)
TBD
碌
PD444012A-BxxX
55, 70, 85, 100
碌
PD444012A-CxxX 70, 85, 100, 120
碌
PD444012A-DxxX
100, 120, 150
40
Note
Cycle time
鈮?/div>
70 ns.
碌
PD444012A-B55X : TBD
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. M14464EJ1V0DS00 (1st edition)
Date Published September 1999 NS CP (K)
Printed in Japan
The mark
5
shows major revised points.
漏
1999

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