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UPD448012GY-C12X-MJH-A

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24页	145K
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DATA SHEET

MOS INTEGRATED CIRCUIT

µPD448012-X

8M-BIT CMOS STATIC RAM

512K-WORD BY 16-BIT

EXTENDED TEMPERATURE OPERATION

Description

The µPD448012-X is a high speed, low power, 8,388,608 bits (524,288 words by 16 bits) CMOS static RAM.

The µPD448012-X has two chip enable pins (/CE1, CE2) to extend the capacity.

The µPD448012-X is packed in 48-pin PLASTIC TSOP (I) (Normal bent).

Features

• 524,288 words by 16 bits organization

• Fast access time: 55, 70, 85, 100, 120 ns (MAX.)

• Byte data control: /LB (I/O1 - I/O8), /UB (I/O9 - I/O16)

• Low voltage operation

(B version: V^CC= 2.7 to 3.6 V, C version: VCC = 2.2 to 3.6 V)

• Low VCC 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

Part number

Access time

ns (MAX.)

Operating supply Operating ambient

Supply current

At standby

voltage

temperature

°C

At operating

mA (MAX.)

At data retention

µA (MAX.)

45 ^Note

µPD448012-BxxX

µPD448012-CxxX

55, 70, 85, 100

70, 85, 100, 120

2.7 to 3.6

2.2 to 3.6

−25 to +85

Note Cycle time ≥ 70 ns, µPD448012-B55X : 50 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. M14466EJ5V0DS00 (5th edition)

Date Published July 2001 NS CP (K)

Printed in Japan

The mark ★ shows major revised points.

1999

12 3 4 5 6 7...24

中文翻译

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UPD448012GY-C70X-MJH	NEC	获取价格	8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
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UPD448012GY-C70X-MJH-A	RENESAS	获取价格	512KX16 STANDARD SRAM, 70ns, PDSO48, 12 X 18 MM, LEAD FREE, PLASTIC, TSOP1-48
UPD448012GY-C85X-MJH	NEC	获取价格	8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
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