PECI-to-I2C Translator
MAX6621
19-0729; Rev 2; 12/09
PECI-to-I2C Translator
General Description
The MAX6621 PECI-to-I2C translator provides ...
Description
MAX6621
19-0729; Rev 2; 12/09
PECI-to-I2C Translator
General Description
The MAX6621 PECI-to-I2C translator provides an efficient, low-cost solution for PECI-to-SMBusTM/I2C protocol conversion. The PECI-compliant host reads temperature data directly from up to four PECI-enabled CPUs. Interrupts are generated when the measured temperature exceeds the high-temperature limit and causes ALERT to assert. The RESET input allows the host to reset the I2C bus in the event of a communication error.
The I2C interface provides an independent serial communication channel to communicate synchronously with peripheral devices in a multiple master or multiple slave system. This interface allows a maximum serial-data rate of 400kbps.
The MAX6621 is designed to operate from a +3.0V to +3.6V supply voltage and ambient temperature range of -20°C to +120°C.
Servers Workstations Desktop Computers
Applications
SMBus is a trademark of Intel Corp. μMAX is a registered trademark of Maxim Integrated Products, Inc.
Features
♦ 400kbps I2C-Compatible, 2-Wire Serial Interface
♦ +3V to +3.6V Supply Voltage
♦ PECI-Compliant Port ♦ PECI-to-I2C Translation ♦ ALERT Output ♦ RESET Input (May Be Disabled as a Factory
Option)
♦ Programmable Temperature Offsets
♦ -20°C to +120°C Operating Temperature Range
♦ VREF Input Refers Logic Levels to the PECI Supply Voltage
♦ Automatic I2C Bus Lockup Timeout Reset ♦ Lead-Free, 10-Pin µMAX® Package
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX6621AUB+
-20...
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