參數(shù)資料
型號(hào)： UPD442000AGU-BC10X-9JH
廠商： NEC Corp.
英文描述： 2M-BIT CMOS STATIC RAM 256K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
中文描述： 200萬(wàn)位CMOS靜態(tài)RAM 256K字× 8位擴(kuò)展工作溫度
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 157K
代理商： UPD442000AGU-BC10X-9JH
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.
2000
2M-BIT CMOS STATIC RAM
256K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
MOS INTEGRATED CIRCUIT
μ
PD442000A-X
DATA SHEET
Document No. M14669EJ7V0DS00 (7th edition)
Date Published October 2002 NS CP (K)
Printed in Japan
The mark
#
shows major revised points.
Description
The
μ
PD442000A-X is a high speed, low power, 2,097,152 bits (262,144 words by 8 bits) CMOS static RAM.
The
μ
PD442000A-X has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available.
The
μ
PD442000A-X is packed in 32-pin PLASTIC TSOP (I) (Normal bent) and 32-pin PLASTIC TSOP (I) (Reverse
bent).
Features
262,144 words by 8 bits organization
Fast access time : 55, 70, 85, 100, 120 ns (MAX.)
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)
Low V
CC
data retention : 1.0 V (MIN.)
Operating ambient temperature : T
A
= –25 to +85 °C
Output Enable input for easy application
Two Chip Enable inputs : /CE1, CE2
μ
PD442000A
Access time
Operating supply Operating ambient
Supply current
ns (MAX.)
voltage
temperature
At operating
At standby
At data retention
V
°C
mA (MAX.)
μ
A (MAX.)
μ
A (MAX.)
-BB55X, -BB70X, -BB85X
55, 70, 85
2.7 to 3.6
25 to +85
30
Note
2
1
-BC70X, -BC85X, -BC10X
70, 85, 100
2.2 to 3.6
30
-DD85X, -DD10X, -DD12X
85, 100, 120
1.8 to 2.2
15
1.5
Note
Cycle time
≥
70 ns, -BB55X : 35 mA
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