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CAT28C161U14A-25TE13 Arkusz danych(PDF) 1 Page - Catalyst Semiconductor |
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CAT28C161U14A-25TE13 Arkusz danych(HTML) 1 Page - Catalyst Semiconductor |
1 / 12 page 9-95 CAT25CXXX Supervisory Circuits with SPI Serial E2PROM, Precision Reset Controller and Watchdog Timer FEATURES s 10 MHz SPI Compatible s 1.8 to 6.0 Volt Operation s Hardware and Software Protection s Zero Standby Current s Low Power CMOS Technology s SPI Modes (0,0 &1,1) s Commercial, Industrial and Automotive Temperature Ranges s Active High or Low Reset Outputs – Precision Power Supply Voltage Monitoring – 5V, 3.3V, 3V and 1.8V Options s Watchdog Timer on CS CS CS CS CS s 1,000,000 Program/Erase Cycles s 100 Year Data Retention s Self-Timed Write Cycle s 8-Pin DIP/SOIC, 16-Pin SOIC and 14-Pin TSSOP s Page Write Buffer s Block Write Protection – Protect 1/4, 1/2 or all of E2PROM Array s Programmable Watchdog Timer s Built-in inadvertent Write Protection – V CC Lock Out © 1998 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Advanced DESCRIPTION The CAT25CXXX is a single chip solution to three popular functions of EEPROM Memory, precision reset controller and watchdog timer. The EEPROM Memory is a 2K/4K/8K/16K/32K-Bit SPI Serial CMOS E2PROM internally organized as 256x8/512x8/1024x8/2048x8/ 4096x8 bits. Catalyst’s advanced CMOS Technology substantially reduces device power requirements. The 2K/4K devices feature a 16-byte page write buffer. The 8K/16K/32K devices feature a 32-byte page write buffer.The device operates via the SPI bus serial inter- face 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 reset function of the 25CXXX protects the system during brown out and power up/down condtions. During system failure the watchdog timer feature pro- tects the microcontroller with a reset signal. The CAT25CXXX is designed with software and hardware write protection features including Block Lock protec- tion. The device is available in 8-pin DIP, 8-pin SOIC, 16- pin SOIC and 14-pin TSSOP packages. CS NC 1 2 3 4 14 13 12 11 NC NC NC 5 6 710 9 8 NC SCK VSS SI NC WP VCC RESET /RESET SO 15 16 NC NC PIN CONFIGURATION DIP Package (P) SOIC Package (S16) TSSOP Package (U14) SOIC Package (S) VSS SO WP VCC RESET /RESET SCK SI 1 2 3 4 8 7 6 5 CS CS WP RESET /RESET VCC NC NC NC NC SO NC NC VSS SCK SI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SO WP CS VCC SCK SI 1 2 3 4 8 7 6 5 VSS RESET /RESET |
Podobny numer części - CAT28C161U14A-25TE13 |
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Podobny opis - CAT28C161U14A-25TE13 |
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