DESCRIPTION
The X24320 is a CMOS Serial E2PROM, internally organized 4K x 8. The device features a serial interface and software protocol allowing operation on a simple two wire bus. The bus operates at 400 KHz all the way down to 1.8V.
   
FEATURES
• Save Critical Data with Programmable
    Block Lock Protection
    —Block Lock (0, 1/4, 1/2, or all of E2PROM Array)
    —Software Write Protection
    —Programmable Hardware Write Protect
• In Circuit Programmable ROM Mode
• 400KHz 2-Wire Serial Interface
    —Schmitt Trigger Input Noise Suppression
    —Output Slope Control for Ground Bounce
        Noise Elimination
• Longer Battery Life With Lower Power
    —Active Read Current Less Than 1mA
    —Active Write Current Less Than 3mA
    —Standby Current Less Than 1µA
• 1.8V to 3.6V, 2.5V to 5.5V and 4.5V to 5.5V
    Power Supply Versions
• 32 Word Page Write Mode
    —Minimizes Total Write Time Per Word
• Internally Organized 4K x 8
• Bidirectional Data Transfer Protocol
• Self-Timed Write Cycle
    —Typical Write Cycle Time of 5ms
• High Reliability
    —Endurance: 100,000 Cycles
    —Data Retention: 100 Years
• 8-Lead SOIC
• 14-Lead TSSOP
• 8-Lead PDIP