2 Kbit (256 x 8 bit) Serial CMOS EEPROMs, Serial Peripheral Interface (SPI) Synchronous Bus
SLx 25C020
Preliminary Features * Serial peripheral interface (SPI) compatible, supports SPI Modes 0,0 and 1,1 * Page Protection ModeTM for protecting the EEPROM against unintended data changes (SLx 25C020.../P types only) * Low power CMOS P-DIP-8-4 * Clock frequency up to 2.1 MHz * VCC = 2.7 to 5.5 V operation * 8-byte page mode * Write protect (WP) pin and write disable instruction for both hardware and software data protection * Block write protection - Protect 1/4, 1/2 or entire array * Filtered inputs for noise suppression with P-DSO-8-3 Schmitt trigger * High programming flexibility - Internal programming voltage - Self timed write cycle including erase (5 ms typical) for up to 8 bytes - Byte-write and page-write programming, between 1 and 8 bytes * High reliability - Endurance 106 cycles1) - Data retention 40 years1) - ESD protection > 4000 V on all pins * 8 pin DIP/DSO packages * Available for extended temperature ranges - Industrial: - 40 C to + 85 C - Automotive: - 40 C to + 125 C (- 40 C to +150 C on request)
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Values are temperature dependent, for further information please refer to your Siemens sales office.
Semiconductor Group
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Preliminary 1998-11-02
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