MAX6604AATA+T Maxim Integrated Products, MAX6604AATA+T Datasheet
MAX6604AATA+T
Specifications of MAX6604AATA+T
Related parts for MAX6604AATA+T
MAX6604AATA+T Summary of contents
Page 1
... TDFN SMBus is a trademark of Intel Corporation. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. DDR Memory Modules o JEDEC Compliant o ±1°C Temperature-Monitoring Accuracy o Overtemperature Interrupt with Programmable Threshold o +2.7V to +3.6V Operating Voltage Range ...
Page 2
Precision Temperature Monitor for DDR Memory Modules ABSOLUTE MAXIMUM RATINGS All Input and Output Voltages ..................................-0.3V to +6V Continuous Power Dissipation ( +70°C) 8-Pin TDFN (derate 16.7mW/°C above +70°C) ......1333.3mW 8-Pin TSSOP (derate 8.1mW/°C above +70°C) ........646.7mW ESD ...
Page 3
Precision Temperature Monitor for TIMING CHARACTERISTICS—MAX6604ATA +2.7V to +3.6V -20°C to +125°C, unless otherwise noted. Typical values are PARAMETER Serial-Clock Frequency Bus Free Time Between STOP and START Condition Rep eat S ...
Page 4
Precision Temperature Monitor for DDR Memory Modules (Typical values are +3.3V +25°C SHUTDOWN SUPPLY CURRENT vs. TEMPERATURE 3. 3. 3.0V CC ...
Page 5
Precision Temperature Monitor for Detailed Description The MAX6604 high-precision temperature sensor con- tinuously monitors temperature and updates the temperature data eight times per second. The device functions as a slave on the SMBus/I face. The master can read the temperature ...
Page 6
Precision Temperature Monitor for DDR Memory Modules Write Word Format S ADDRESS R/W 7 bits Slave Address: equivalent to chip-select line of a 3-wire interface Read Word Format S ADDRESS R/W ACK COMMAND 7 bits 8 bits Slave Address: equiva- ...
Page 7
Precision Temperature Monitor for EVENT-Output Functionality The EVENT output indicates conditions such as the temperature crossing a predefined boundary. It oper- ates in one of the three modes: interrupt mode, com- parator mode, and critical-temperature-only mode. Figure 3 shows an ...
Page 8
Precision Temperature Monitor for DDR Memory Modules the critical temperature register is likely to be higher than that of the alarm-upper-boundary register result, when the temperature is above the critical temperature likely that it is above ...
Page 9
Precision Temperature Monitor for Table 4. Configuration Register (Read/Write) Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 BIT DEFINITION (DESCRIPTIONS IN BOLD TYPE ARE THE DEFAULT VALUES) EVENT mode 0 = Comparator output mode (default) 0 ...
Page 10
Precision Temperature Monitor for DDR Memory Modules Table 4. Configuration Register (Read/Write) (continued) Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 BIT DEFINITION (DESCRIPTIONS IN BOLD TYPE ARE THE DEFAULT VALUES) Shutdown mode 0 = Enable ...
Page 11
Precision Temperature Monitor for BELOW ALARM WINDOW BIT FUNCTION Temperature slope Sets Falling Clears Rising BELOW WINDOW BIT ABOVE WINDOW BIT Figure 4. Hysteresis Applied to Temperature Comparisons Alarm-Temperature Lower-Boundary Trip Register (Read/Write) [Address = 03h, ...
Page 12
Precision Temperature Monitor for DDR Memory Modules Critical Temperature Register (Read/Write) [Address = 04h, POR = 0000h] The data format for the critical temperature value is in two’s complement with one LSB = 0.25°C. Critical tem- Table 7. Critical Temperature ...
Page 13
Precision Temperature Monitor for Table 9. Manufacturer’s ID Register (Read Only) [Address = 06h, POR = 004Dh] Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit Table 10. Device ID and Revision ...
Page 14
Precision Temperature Monitor for DDR Memory Modules Chip Information PROCESS: BiCMOS 14 ______________________________________________________________________________________ Package Information For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS ...
Page 15
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2010 Maxim Integrated Products ...