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CAT25C128L-1.8T3 Arkusz danych(PDF) 1 Page - Catalyst Semiconductor |
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CAT25C128L-1.8T3 Arkusz danych(HTML) 1 Page - Catalyst Semiconductor |
1 / 12 page 1 CAT25C128/256 Document No. 1018, Rev. I FEATURES I 5 MHz SPI Compatible I 1.8 to 5.5 Volt Operation I Hardware and Software Protection I Low Power CMOS Technology I SPI Modes (0,0 &1,1) I Industrial and Automotive Temperature Ranges I Self-Timed Write Cycle I 64-Byte Page Write Buffer I Block Write Protection – Protect 1/4, 1/2 or all of EEPROM Array I 100,000 Program/Erase Cycles I 100 Year Data Retention I RoHS-compliant packages DESCRIPTION The CAT25C128/256 is a 128K/256K-Bit SPI Serial CMOS EEPROM internally organized as 16Kx8/32Kx8 bits. Catalyst’s advanced CMOS Technology substantially reduces device power requirements. The CAT25C128/256 features a 64-byte page write buffer. The device operates via the SPI bus serial interface and is enabled through 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 CAT25C128/256 is designed with software and hardware write protection features including Block Lock protection. The device is available in 8-pin DIP, 8-pin SOIC, 14-pin TSSOP and 20-pin TSSOP packages. PIN CONFIGURATION BLOCK DIAGRAM SENSE AMPS SHIFT REGISTERS SPI CONTROL LOGIC WORD ADDRESS BUFFERS I/O CONTROL EEPROM ARRAY COLUMN DECODERS XDEC HIGH VOLTAGE/ TIMING CONTROL SO STATUS REGISTER BLOCK PROTECT LOGIC DATA IN STORAGE SI CS WP HOLD SCK PIN FUNCTIONS Pin Name Function SO Serial data Output SCK Serial Clock WP Write Protect V CC Power Supply V SS Ground CS Chip Select SI Serial Data Input HOLD Suspends Serial Input NC No Connect **CAT25C128 only. © 2005 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice DIP Package (L) TSSOP Package (Y20)** SOIC Package SS SO WP VCC HOLD SCK SI 1 2 3 4 8 7 6 5 CS SO WP CS VCC HOLD SCK SI 1 2 3 4 8 7 6 5 VSS TSSOP Package (Y14)** SO NC NC WP CS SI HOLD NC NC NC SCK NC VSS V CC 14 13 12 11 1 2 3 4 5 6 7 10 9 8 SO NC NC WP CS SI HOLD NC NC SCK SO VSS V CC 20 19 18 17 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 NC NC NC NC HOLD NC NC (V**, X) CAT25C128/256 128K/256K-Bit SPI Serial CMOS EEPROM For Ordering Information details, see page 11. |
Podobny numer części - CAT25C128L-1.8T3 |
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Podobny opis - CAT25C128L-1.8T3 |
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