UPD448012-X

DATA SHEET MOS INTEGRATED CIRCUIT µ PD448012-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: 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 ns (MAX.) Operating supply Operating ambient voltage V temperature °C −25 to +85 At operating mA (MAX.) 45 Note Supply current At standby At data retention µA (MAX.) 15 µA (MAX.) 6    µPD448012-BxxX µPD448012-CxxX 55, 70, 85, 100 70, 85, 100, 120 2.7 to 3.6 2.2 to 3.6 45 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 ...