IDTTS3000B3ANCG8 IDT, Integrated Device Technology Inc, IDTTS3000B3ANCG8 Datasheet - Page 9

• Manufacturer Part Number: IDTTS3000B3ANCG8
• Description: IC TEMP SENS LOCAL TDFN-8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDTTS3000B3ANCG8

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Control Logic, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -20°C ~ 125°C
• Output Type: 2-Wire Serial, I²C™/SMBUS™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -20°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-VFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-2036-2

Maximum R
Select Address (SA0, SA1, SA2)
end application, SA0, SA1 and SA2 must be directly (not through a pull-up or pull-down resistor) connected to V
Address. When these inputs are not connected, an internal pull-down circuitry makes (SA0, SA1, SA2) = (0, 0, 0).
EVENT
controller. The TS3000B3A EVENT pin has three operating modes, depending on configuration settings and any current out-of-limit conditions. These
modes are Interrupt, Comparator, or TCRIT Only.
write is independent of the EVENT polarity bit.
is compared against the TCRIT limit, then this mode is always used.
asserted, it will remain asserted until the temperature drops below the TCRIT Limit minus the TCRIT hysteresis. The next figure illustrates the opera-
tion of the different modes over time and temperature.
configurations should not be used with active high EVENT since any device pulling the EVENT signal low will mask the other devices on the bus. Also
note that the normal state of EVENT in active high mode is a 0 which will continually draw power through the pull-up resistor.
These input signals are used to set the value that is to be looked for on the three least significant bits (b3, b2, b1) of the 7-bit Slave Address. In the
The TS3000B3A EVENT pin is an open drain output that requires a pull-up to V
In Interrupt Mode the EVENT pin will remain asserted until it is released by writing a '1' to the “Clear Event” bit in the Status Register. The value to
In Comparator Mode the EVENT pin will clear itself when the error condition that caused the pin to be asserted is removed. When the temperature
Finally, in the TCRIT Only Mode the EVENT pin will only be asserted if the measured temperature exceeds the TCRIT Limit. Once the pin has been
Systems that use the active high mode for EVENT must be wired point to point between the TS3000B3A and the sensing controller. Wire-OR
L
Value vs. Bus Capacitance (C
BUS
) for an I
9 of 21
2
C Bus
DD
on the system motherboard or integrated into the master
DD
or V
SS
to establish the Slave
May 12, 2010