W24256 Datasheet | Winbond

Preliminary W24256 GENERAL DESCRIPTION 32K × 8 CMOS STATIC RAM The W24256 is a normal speed, very low power CMOS static RAM organized as 32768 × 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology. Features - Low power consumption: - Access time: 70 n S (max.) - Active :300 m W Standby :250 µW - Single 5V power supply - Fully static operation - All inputs and outputs directly TTL patible - Three-state outputs - Battery back-up operation capability - Data retention voltage: 2V (min.) - Packaged in 28-pin 600 mil DIP, 330 mil SOP and standard type one TSOP (8 mm × 13.4 mm) PIN CONFIGURATIONS BLOCK DIAGRAM A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28-pin DIP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VDD WE A13 A8 A9 A11 OE A10 CS I/O8 I/O7 I/O6 I/O5 I/O4 CLK GEN. PRECHARGE CKT. A12 A14 R A2 O W A3 CORE CELL ARRAY...