AX24C32A/64A-32K/64K-bit 2-WIRE SERIAL CMOS EEPROM DataSheet
General Description The AX24C32A/AX24C64A provides 32,768/65,536 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 4096/8192 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. The AX24C32A/AX24C64A is available in space-saving SOP-8, TSSOP-8 and DFN-8 (only AX24C32A) packages and is accessed via a two-wire serial interface.
Features Wide Voltage Operation - VCC = 1.8V to 5.5V Operating Ambient Temperature: -40°C to +85°C Internally Organized: - AX24C32A, 4096 X 8 (32K bits) - AX24C64A, 8192 X 8 (64K bits) Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility Write Protect Pin for Hardware Data Protection 32-byte Page (32K, 64K) Write Modes Partial Page Writes Allowed Self-timed Write Cycle (5 ms max) High-reliability - Endurance: 1 Million Write Cycles - Data Retention: 100 Years SOP-8, TSSOP-8 and DFN-8 packages |