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CAT25020PA Fiches technique(PDF) 1 Page - Catalyst Semiconductor |
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CAT25020PA Fiches technique(HTML) 1 Page - Catalyst Semiconductor |
1 / 11 page 1 CAT25010/20/40 1K/2K/4K SPI Serial CMOS EEPROM FEATURES s 10 MHz SPI compatible s 1.8 to 6.0 volt operation s Hardware and software protection s Low power CMOS technology s SPI modes (0,0 & 1,1)* s Commercial, industrial, automotive and extended temperature ranges s 1,000,000 program/erase cycles s 100 year data retention s Self-timed write cycle s 8-Pin DIP/SOIC, 8-Pin TSSOP and 8-Pin MSOP s 16-byte page write buffer s Block write protection – Protect 1/4, 1/2 or all of EEPROM array PIN CONFIGURATION DIP Package (P, L) PIN FUNCTIONS Pin Name Function SO Serial Data Output SCK Serial Clock WP Write Protect VCC +1.8V to +6.0V Power Supply VSS Ground CS Chip Select SI Serial Data Input HOLD Suspends Serial Input NC No Connect BLOCK DIAGRAM © 2004 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice DESCRIPTION The CAT25010/20/40 is a 1K/2K/4K Bit SPI Serial CMOS EEPROM internally organized as 128x8/256x8/ 512x8 bits. Catalyst’s advanced CMOS Technology substantially reduces device power requirements. The CAT25010/20/40 features a 16-byte page write buffer. The device operates via the SPI bus serial interface and is enabled though a Chip Select ( CS). In addition to the Chip Select, the clock input (SCK), data in (SI) and data out (SO) are required to access the device. The HOLD pin may be used to suspend any serial communication without resetting the serial sequence. The CAT25010/ 20/40 is designed with software and hardware write protection features including Block Write protection. The device is available in 8-pin DIP, 8-pin SOIC, 8-pin MSOP and 8-pin TSSOP packages. SOIC Package (S, V) VSS SO WP VCC HOLD SCK SI 1 2 3 4 8 7 6 5 CS SO WP CS VCC SCK SI 1 2 3 4 8 7 6 5 VSS HOLD Doc. No. 1006, Rev. L TSSOP Package (U, Y) SO WP CS VCC SCK SI 1 2 3 4 8 7 6 5 VSS HOLD MSOP Package (R, Z)* *CAT 25010/20 only SENSE AMPS SHIFT REGISTERS SPI CONTROL LOGIC WORD ADDRESS BUFFERS I/O CONTROL E2PROM ARRAY COLUMN DECODERS XDEC HIGH VOLTAGE/ TIMING CONTROL SO 25C128 F02 STATUS REGISTER BLOCK PROTECT LOGIC DATA IN STORAGE SI CS WP HOLD SCK * Other SPI modes available on request. ALO GEN FR TM LEAD FREE 8 7 6 5 VCC WP SCK CS VSS 1 2 3 4 SO HOLD SI |
Numéro de pièce similaire - CAT25020PA |
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Description similaire - CAT25020PA |
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