UPD448012-X中文资料瑞萨数据手册PDF规格书

描述 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).

特性 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 VCCdata 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