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CAT130081SWI-GT3 Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT130081SWI-GT3 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 14 page CAT130xx © 2008 SCILLC. All rights reserved. 1 Doc. No. MD-1121 Rev. B Characteristics subject to change without notice Voltage Supervisor with Microwire 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 = 1 V High Speed Operation Selectable x8 or x16 memory organization 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 13. PIN CONFIGURATION SOIC (W) CS 1 8 VCC SK 2 7 RST/ RST ¯¯¯¯ DI 3 6 ORG DO 4 5 GND PIN FUNCTION Pin Name Function CS Chip Select SK Clock Input DI Serial Data Input DO Serial Data Output GND Ground ORG Memory Organization RST/ RST ¯¯¯¯ Reset Output VCC Power Supply DESCRIPTION The CAT130xx (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 Microwire serial protocol. The CAT130xx 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 13001 1-Kbit 13004 4-Kbit 13008 8-Kbit 13016 16-Kbit 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 Note: When the ORG pin is connected to VCC, the x16 organization is selected. When it is connected to ground, the x8 pin is selected. If the ORG pin is left unconnected, then an internal pullup device will select the x16 organization. |
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