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PRELIMINARY
CG6257AM
4Mb (256K x 16) Pseudo Static RAM
Features
• Wide voltage range: 2.70V–3.30V • Access Time: 70ns • Ultra-low active power — Typical active current: 2.0mA @ f = 1 MHz • • • • — Typical active current: 13mA @ f = fmax Ultra low standby power Automatic power-down when deselected CMOS for optimum speed/power Offered in a 48 Ball BGA Package when deselected (CE HIGH or both BHE and BLE are HIGH). The input/output pins (I/O0 through I/O15) are placed in a high-impedance state when: deselected (CE HIGH ), outputs are disabled (OE HIGH), both Byte High Enable and Byte Low Enable are disabled (BHE, BLE HIGH), or during a write operation (CE LOW and WE LOW). The addresses must not be toggled once the read is started on the device.
CG6257AM Datasheet
