Description
The µPD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM. Battery backup is available. And A and B versions are wide voltage operations. The µPD43256B is packed in 28-pin plastic DIP, 28-pin plastic SOP and 28-pin plastic TSOP (I) (8 x 13.4 mm).
Features
•32,768 words by 8 bits organization
•Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
•Low voltage operation (A version: VCC= 3.0 to 5.5 V, B version: VCC= 2.7 to 5.5 V)
•Low VCC data retention: 2.0 V (MIN.)
• /OE input for easy application