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UPD444012AGY-C10X-MJH Datasheet(PDF) 1 Page - NEC |
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UPD444012AGY-C10X-MJH Datasheet(HTML) 1 Page - NEC |
1 / 24 page 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. © 1999 MOS INTEGRATED CIRCUIT µµµµPD444012A-X 4M-BIT CMOS STATIC RAM 256K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION DATA SHEET Document No. M14464EJ5V0DS00 (5th edition) Date Published July 2001 NS CP (K) Printed in Japan The mark 5 shows major revised points. Description The µPD444012A-X is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM. The µPD444012A-X has two chip enable pins (/CE1, CE2) to extend the capacity. The µPD444012A-X is packed in 48-pin PLASTIC TSOP (I) (Normal bent). Features • 262,144 words by 16 bits organization • Fast access time: 50, 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: VCC = 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: TA = –25 to +85°C • Output Enable input for easy application • Two Chip Enable inputs: /CE1, CE2 Part number Access time Operating supply Operating ambient Supply current ns (MAX.) Voltage temperature At operating At standby At data retention V °C mA (MAX.) µA (MAX.) µA (MAX.) µPD444012A-BxxX 50 Note 1, 55, 70, 85, 100 2.7 to 3.6 −25 to +85 40 Note 2 73 45 Note 3 50 Note 4 µPD444012A-CxxX 70, 85, 100, 120 2.2 to 3.6 40 Notes 1. VCC ≥ 3.0 V 2. Cycle time ≥ 70 ns 3. Cycle time = 55 ns 4. Cycle time = 50 ns 5 5 5 5 5 5 5 |
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