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CAT150161MWI-GT3 Arkusz danych(PDF) 1 Page - Catalyst Semiconductor |
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CAT150161MWI-GT3 Arkusz danych(HTML) 1 Page - Catalyst Semiconductor |
1 / 15 page CAT15008, CAT15016 © 2007 Catalyst Semiconductor, Inc. 1 Doc. No. 1125 Rev. A Characteristics subject to change without notice Voltage Supervisor with 8-Kb and 16-Kb SPI Serial CMOS EEPROM FEATURES Precision Power Supply Voltage Monitor 5V, 3.3V, 3V & 2.5V systems 7 threshold voltage options Active High or Low Reset Valid reset guaranteed at VCC = 1V 10MHz SPI compatible 32-byte page write buffer Low power CMOS technology 1,000,000 Program/Erase cycles 100 year data retention Industrial temperature range RoHS-compliant 8-pin SOIC package For Ordering Information details, see page 14. PIN CONFIGURATION SOIC (W) CS ¯¯ 1 8 VCC SO 2 7 RST/RST ¯¯¯¯ WP ¯¯¯ 3 6 SCK VSS 4 5 SI DESCRIPTION The CAT15008/16 (see table below) are memory and supervisory solutions for microcontroller based systems. A CMOS serial EEPROM memory and a system power supervisor with brown-out protection are integrated together. Memory interface is via SPI bus serial interface. The CAT15008/16 provides a precision VCC sense circuit with two reset output options: CMOS active low output or CMOS active high. The RESET output is active whenever VCC is below the reset threshold or falls below the reset threshold voltage. The power supply monitor and reset circuit protect system controllers during power up/down and against brownout conditions. Seven reset threshold voltages support 5V, 3.3V, 3V and 2.5V systems. If power supply voltages are out of tolerance reset signals become active, preventing the system microcontroller, ASIC or peripherals from operating. Reset signals become inactive typically 240ms after the supply voltage exceeds the reset threshold level. MEMORY SIZE SELECTOR Product Memory density 15008 8-Kbit 15016 16-Kbit PIN FUNCTION Pin Name Function CS ¯¯ Chip Select SO Serial Data Output WP ¯¯¯ Write Protect VSS Ground SI Serial Data Input SCK Serial Clock Input RST/RST ¯¯¯¯ Reset Output VCC Power Supply THRESHOLD SUFFIX SELECTOR Nominal Threshold Voltage Threshold Suffix Designation 4.63V L 4.38V M 4.00V J 3.08V T 2.93V S 2.63V R 2.32V Z |
Podobny numer części - CAT150161MWI-GT3 |
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Podobny opis - CAT150161MWI-GT3 |
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