Features • Low Operating Current - VDD = 5V, Cycle Time 1μs . . . . . . . . . . . . . . . . . . 8mA • Industry Standard Pinout • Two Chip-Select Inputs-Simple Memory Expansion • Memory Retention for Standby Battery Voltage of 2V Minimum • Output-Disable for Common I/O Systems • Three-State Data Output for Bus-Oriented Systems • Separate Data Inputs and Outputs