X25020PG-2.7 Datasheet

SPI Serial E2PROM with Block Lock™ Protection


The X25020 is a CMOS 2048-bit serial E2PROM, internally organized as 256 x 8. The X25020 features a serial interface and software protocol allowing operation on a simple three-wire bus. The bus signals are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input, allowing any number of devices to share the same bus.

• 1MHz Clock Rate
• SPI Modes (0,0 & 1,1)
• 256 X 8 Bits
    —4 Byte Page Mode
• Low Power CMOS
    —10µA Standby Current
    —3mA Active Write Current
• 2.7V To 5.5V Power Supply
• Block Lock Protection
    —Protect 1/4, 1/2 or all of E2PROM Array
• Built-in Inadvertent Write Protection
    —Power-Up/Power-Down protection circuitry
    —Write Latch
    —Write Protect Pin
• Self-Timed Write Cycle
    —5ms Write Cycle Time (Typical)
• High Reliability
    —Endurance: 100,000 cycles per byte
    —Data Retention: 100 Years
    —ESD protection: 2000V on all pins
•  8-Lead PDlP Package
•  8-Lead SOIC Package




Manufacturer information

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