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发布者:微桥 发布时间:2011-9-9 阅读:3854次    关键字: EEPROM
AX24C32A/64A-2-WIRE SERIAL CMOS EEPROM


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

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