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UPD442000AGU-BB55X-9JH Datasheet

  • UPD442000AGU-BB55X-9JH

  • 2M-BIT CMOS STATIC RAM 256K-WORD BY 8-BIT EXTENDED TEMPERATU...

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  • NEC   NEC

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DATA SHEET
碌
PD442000A-X
2M-BIT CMOS STATIC RAM
256K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
MOS INTEGRATED CIRCUIT
Description
The
碌
PD442000A-X is a high speed, low power, 2,097,152 bits (262,144 words by 8 bits) CMOS static RAM.
The
碌
PD442000A-X has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available.
The
碌
PD442000A-X is packed in 32-pin PLASTIC TSOP (I) (Normal bent) and 32-pin PLASTIC TSOP (I) (Reverse
bent).
Features
鈥?/div>
262,144 words by 8 bits organization
鈥?/div>
Fast access time : 55, 70, 85, 100, 120 ns (MAX.)
鈥?/div>
Low voltage operation : V
CC
= 2.7 to 3.6 V (-BB55X, -BB70X, -BB85X)
V
CC
= 2.2 to 3.6 V (-BC70X, -BC85X, -BC10X)
V
CC
= 1.8 to 2.2 V (-DD85X, -DD10X, -DD12X)
鈥?/div>
Low V
CC
data retention : 1.0 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
碌
PD442000A
Access time
ns (MAX.)
Operating supply Operating ambient
voltage
V
-BB55X, -BB70X, -BB85X
-BC70X, -BC85X, -BC10X
-DD85X, -DD10X, -DD12X
55, 70, 85
70, 85, 100
85, 100, 120
2.7 to 3.6
2.2 to 3.6
1.8 to 2.2
temperature
擄C
鈭?5
to +85
At operating
mA (MAX.)
30
Note
30
15
1.5
Supply current
At standby
At data retention
碌
A (MAX.)
2
碌
A (MAX.)
1
Note
Cycle time
鈮?/div>
70 ns, -BB55X : 35 mA
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. M14669EJ7V0DS00 (7th edition)
Date Published October 2002 NS CP (K)
Printed in Japan
The mark
5
shows major revised points.
漏
2000

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