IDTTSE2002B3CNRG IDT, Integrated Device Technology Inc, IDTTSE2002B3CNRG Datasheet - Page 14

• Manufacturer Part Number: IDTTSE2002B3CNRG
• Description: IC TEMP SENS EEPROM DFN-8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDTTSE2002B3CNRG

• 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: No
• 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

I
Device Reset and Initialization
V
AND AC PARAMETERS tables). Once V
mentation dependent and is not defined in this document.
valid until the end of the transmission of the instruction and for a Write instruction, until the completion of the internal write cycle (t
stops responding to commands, and remains in reset until the POR threshold voltage is reached.
2
DDSPD
C Operating Modes
In order to prevent inadvertent Write operations during Power-up, a Power-On Reset (POR) circuit is included.
At Power-up (phase during which V
The device is delivered with all bits in the EEPROM memory array set to ' 1' (each byte contains 0xFF).
Prior to selecting the memory and issuing instructions, a valid and stable V
At Power-down (phase during which V
has reached the Power On Reset threshold voltage (this threshold is lower than the minimum V
SPD Current Address Read
SPD Random Address Read
SPD Sequential Read
SPD Byte Write
SPD Page Write
TS Write
TS Read
Mode
DDSPD
DDSPD
DDSPD
is lower than V
has passed the POR threshold, the device is reset. The actual POR threshold voltage will be imple-
decreases continuously), as soon as V
R/W# Bit
1
0
1
1
0
0
0
1
DDSPDmin
14 of 30
Bytes
< 16
but increases continuously), the device will not respond to any instruction until
> 1
1
1
2
2
1
DDSPD
START, Device Select, R/W# = 1
START, Device Select, R/W# = 0, Address
reSTART, Device Select, R/W# = 1
Similar to Current or Random Address Read
START, Device Select, R/W# = 0, data, STOP
START, Device Select, R/W# = 0, data, STOP
START, Device Select, R/W#=0, pointer, data, STOP
START, Device Select, R/W#=1, pointer, data, STOP
voltage must be applied. This voltage must remain stable and
DDSPD
drops below the minimum operating voltage, the device
Initial Sequence
DDSPD
operating voltage defined in the DC
W
).
May 12, 2010