EXEL Microelectronics, Inc.
XL9020 2,048-Bit Serial Electrically Erasable PROM 2.
7 to 5.
5 Volt Operation FEATURES • 1 MHz Clock Rate • • Extended Temperature Range: -40°C to +85 °C Low Power Consumption — Active current 1.
5 mA — Standby current 2µA • 2.
7 to 5.
5 volt operation (both READ and WRITE) • • 4-Wire Bus Interface Hardware & Software Write Protection — Defaults to disabled state at power up — Software instructions for WRITE-enable/ disable • Internally Organized as 128 x 16 bits • Versatile, Easy-to-Use Interface — READY/BUSY status signal — Automatic write cycle time-out Advanced CMOS E2PROM Technology High Reliability — Endurance: 100,000 cycles per byte — Data retention: 100 yea...

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