CAT34TS02VP2GT4B ON Semiconductor, CAT34TS02VP2GT4B Datasheet
CAT34TS02VP2GT4B
Specifications of CAT34TS02VP2GT4B
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CAT34TS02VP2GT4B Summary of contents
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Digital Output Temperature Sensor with On-board SPD EEPROM FEATURES JEDEC JC42.4 Compliant Temperature Sensor Temperature Range: - 40°C to +125°C DDR3 DIMM compliant SPD EEPROM Supply Range: 3.3 V ± 10% 2 ...
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CAT34TS02 (1) Absolute Maximum Ratings Parameter Operating Temperature Storage Temperature Voltage on any pin (except A ) with respect to Ground 0 Voltage on pin A with respect to Ground 0 RELIABILITY CHARACTERISTICS Symbol Parameter (4) N Endurance (EEPROM) END ...
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A.C. CHARACTERISTICS V = 3.3 V ± 10 −40°C to +125° Symbol Parameter (2) F Clock Frequency SCL t High Period of SCL Clock HIGH t Low Period of SCL Clock LOW (2) t SMBus ...
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CAT34TS02 TYPICAL PERFORMANCE CHARACTERISTICS −25°C to +125°C, unless otherwise specified Active Current (I²C-bus and SPD EEPROM idle) 300 250 200 150 100 (ºC) AMB ...
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TYPICAL PERFORMANCE CHARACTERISTICS −25°C to +125°C, unless otherwise specified POR Threshold Voltage 3.00 2.60 2.20 1.80 1.40 1.00 - (ºC) AMB SPD POR Threshold Voltage 2.00 1.80 ...
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CAT34TS02 PIN DESCRIPTION SCL: The Serial Clock input pin accepts the Serial Clock generated by the Master (Host). SDA: The Serial Data I/O pin receives input data and transmits data stored in the internal registers. In transmit mode, this pin ...
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Figure 1. Start/Stop Timing SDA SCL START BIT Figure 2. Slave Address Bits TEMPERATURE SENSOR Figure 3. Acknowledge Timing SCL FROM MASTER DATA OUTPUT FROM TRANSMITTER DATA OUTPUT FROM RECEIVER Figure 4. Bus Timing t F 70% 70% SCL 30% ...
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CAT34TS02 WRITE OPERATIONS EEPROM Byte and TS Register Write To write data register the on-board EEPROM, the Master creates a START condition on the bus, and then sends out the appropriate Slave address (with the ...
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Figure 5. EEPROM Byte Write BUS ACTIVITY: MASTER SDA LINE SLAVE Figure 6. Temperature Sensor Register Write BUS ACTIVITY MASTER T SDA LINE S SLAVE Figure 7. EEPROM Write Cycle Timing SCL 8 th Bit SDA ...
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CAT34TS02 READ OPERATIONS Immediate Read Upon power-up, the address counters for both the Temperature Sensor (TS) and on-board EEPROM are initialized to 00h. The TS address counter will thus point to the Capability Register and the EEPROM address counter will ...
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Figure 9. Immediate Read BUS ACTIVITY: BUS ACTIVITY: MASTER SDA LINE SLAVE Figure 10. Selective Read S BUS ACTIVITY MASTER R T SDA LINE S SLAVE BUS ACTIVITY SLAVE R MASTER ADDRESS T SDA ...
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CAT34TS02 SOFTWARE WRITE PROTECTION The lower half of memory (first 128 bytes) can be protected against Write requests by setting one of two Software Write Protection (SWP) flags. The Permanent Software Write Protection (PSWP) flag can be set or read ...
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Table 2. SWP Commands (1) Control Pin Levels Flag State Action PSWP Set PSWP ...
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CAT34TS02 TEMPERATURE SENSOR OPERATION The TS component in the CAT34TS02 combines a Proportional to Absolute Temperature sensor with a ∑-Δ modulator, yielding a 12 bit plus sign digital temperature representation. The TS runs on an internal clock, and starts a ...
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Table 3: The TS Registers Register Address Register Name 0x00 Capability Register 0x01 Configuration Register 0x02 High Limit Register 0x03 Low Limit Register 0x04 Critical Limit Register 0x05 Temperature Data Register 0x06 Manufacturer ID Register 0x07 Device ID/Revision Register CAPABILITY ...
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CAT34TS02 CONFIGURATION REGISTER B15 B14 B13 RFU RFU RFU TCRIT_LOCK EVENT_LOCK CLEAR Description Bit B15:B11 Reserved for future use ; can not be written ; should be ignored; will read as 0 00: Disable hysteresis 01: Set ...
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HIGH LIMIT REGISTER B15 B14 B13 8°C 4°C 2°C LOW LIMIT REGISTER B15 B14 B13 8°C 4°C 2°C TCRIT LIMIT REGISTER B15 B14 B13 ...
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CAT34TS02 REGISTER DATA FORMAT The values used in the temperature data register and the 3 temperature trip point registers are expressed in two’s complement format. The measured temperature value is expressed with 12-bit resolution, while the 3 trip temperature limits ...
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Figure 14. Event Detail TEMPERATURE CRITICAL UPPER ALARM WINDOW LOWER S/W CLEARS EVENT EVENT IN “INTERRUPT” EVENT IN “COMPARATOR” MODE EVENT IN “CRITICAL TEMP ONLY” MODE 1. EVENT CANNOT BE CLEARED ONCE THE DUT TEMPERATURE IS GREATER THAN THE CRITICAL ...
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CAT34TS02 PACKAGE OUTLINE DRAWING (1) TDFN 8-Pad (VP2 PIN#1 INDEX AREA TOP VIEW SYMBO L MIN NOM A 0.70 0.75 A1 0.00 0.02 A2 0.45 0.55 A3 0.20 REF b 0.20 0.25 D 1.90 ...
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EXAMPLE OF ORDERING INFORMATION Prefix CAT Group ID TOP MARKING T op Mark Legend Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) This device used in the above example ...
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... Initial Issue 15-Aug-08 B Update Power-On Reset, Temperature Sensor Operation and Register 04-Nov-08 C Change logo and fine print to ON Semiconductor Update Features, Description, Parametric Tables, TS functionality description, 20-Apr-09 D Ordering Information, Align to JC42.4 TSE2002av Standard terminology Updated Features Updated Parametric tables (D.C. and A.C.) ...