MCP98242T-BE/MCA2 Microchip Technology, MCP98242T-BE/MCA2 Datasheet
MCP98242T-BE/MCA2
Specifications of MCP98242T-BE/MCA2
MCP98242T-BE/MC
MCP98242T-BE/MCA2TR
MCP98242T-BE/MCTR
MCP98242T-BE/MCTR
Related parts for MCP98242T-BE/MCA2
MCP98242T-BE/MCA2 Summary of contents
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... Sensor • 256 Byte EEPROM for SPD 3.3V _ SDA SCL DD SPD 2010 Microchip Technology Inc. MCP98242 Description: Microchip Technology temperature sensor converts temperature from -40°C and +125° digital word. This sensor meets JEDEC Specification JC42.4 Mobile Platform Memory Module Thermal Sensor Component. It provides an accuracy of ± ...
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... MCP98242 Notes: DS21996D-page 2 2010 Microchip Technology Inc. ...
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... HI_WP Thermal Response Note 1: Characterized but not production tested. 2010 Microchip Technology Inc. †Notice: Stresses above those listed under “Maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...
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... GND = Ground. DD Sym Min Typ Max T -20 — +125 A T -40 — +125 A T -65 — +150 A to exceed Maximum Junction Temperature (+150°C). J Conditions Conditions V V µ µ 0. OUTPUT time Units Conditions (Note 1) °C °C °C 2010 Microchip Technology Inc. ...
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... SU-START Start Condition Hold Time t H-START Stop Condition Setup Time t SU-STOP Bus Idle t B_FREE Time Out t OUT TIMING DIAGRAM Start Condition 2010 Microchip Technology Inc. = 3.0V to 3.6V, GND = Ground. DD Sym Min Typ Max — 84.5 JA — — ...
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... MCP98242 NOTES: DS21996D-page 6 2010 Microchip Technology Inc. ...
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... Temperature Accuracy (°C) FIGURE 2-3: Temperature Accuracy Histogram +75°C. A 2010 Microchip Technology Inc. = 3.0V to 3.6V, GND = Ground, SDA/SCL pulled- 10000 1000 EEPROM Write (Sensor in Shutdown Mode) 100 Sensor (EEPROM Inactive) 10 EEPROM Read (Sensor in Shutdown Mode) 1 -40 100 ...
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... FIGURE 2-12: Response. , and DD = 3.0V to 3.6V = 0.6V - 100 120 T (°C) A SDA IOL vs. Temperature. = 3.0V Δ°C/ΔV = 0.4°C 3.6V - 100 120 T (°C) A Temperature Accuracy vs. TSSOP-8 DFN-8 22°C (Air) to 125°C (Oil bath Time (s) Package Thermal 2010 Microchip Technology Inc. ...
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... Serial Data Line (SDA) SDA is a bidirectional input/output pin, used to serially transmit data to/from the host controller. This pin Section 4.0 “Serial requires a pull-up resistor. (See Communication”). 2010 Microchip Technology Inc. Table 3-1. Pin Function Slave Address Slave Address ...
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... MCP98242 NOTES: DS21996D-page 10 2010 Microchip Technology Inc. ...
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... During normal data transfers, SDA only changes state while SCLK is low. 2010 Microchip Technology Inc. 4.1.1 DATA TRANSFER Data transfers are initiated by a Start condition (Start), followed by a 7-bit device address and a read/write bit. ...
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... MCP98242 temperature sensor resets the serial interface. This dictates the minimum clock speed as specified in the SMBus specification. However, the EEPROM does not reset the serial interface. Therefore, the master can hold the clock indefinitely to process data from the EEPROM. , OUT 2010 Microchip Technology Inc. ...
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... Selected Resolution Temp. Range Accuracy Output Feature Register Pointer A0 Event A2 A1 FIGURE 5-1: Functional Block Diagram. 2010 Microchip Technology Inc. registers and a 2-wire I serial interface. Figure 5-1 the register structure. Band-Gap Temperature Sensor Address Decoder ADC 0.5°C/bit 0.25° ...
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... Register 5-1 describes the pointer or the address of the ambient each register. W-0 W-0 — Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared ) CRIT ) A W-0 W-0 W-0 Pointer Bits bit Bit is unknown ) UPPER ) LOWER 2010 Microchip Technology Inc. ...
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... MSB CRIT A UPPER 3 2 LSB 2 °C 2 °C 0x06 MSB 0 0 LSB 0 1 0x07 MSB 0 0 LSB 0 0 0x08 LSB 0 0 2010 Microchip Technology Inc. Bit Assignment Resolution Int Clr Evt Stat Evt Cnt 7 0 SIGN 2 ° °C 2 °C 2 ° SIGN 2 ° ...
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... Meas Range U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared Section 5.2.3.3 “Temperature UPPER U-0 U-0 U-0 — — — bit 8 R-1 R-1 R-1 Accuracy Temp Alarm bit Bit is unknown Resolution” registers) and a LOWER CRIT 2010 Microchip Technology Inc. ...
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... SCLK SDA Address Byte MCP98242 SCLK A A SDA Address Byte FIGURE 5-2: Timing Diagram for Reading the Capability Register (See Communication”). 2010 Microchip Technology Inc Capability Pointer MCP98242 MSB Data Master MCP98242 MCP98242 LSB Data Master Section 4.0 “Serial ...
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... Section 5.2.1 “Shutdown sensor circuit stops converting Section 5.2.1 “Shutdown , T and T UPPER LOWER CRIT described in Register 5-3 (see Configuration”). R/W-0 R/W-0 T SHDN HYST bit 8 R/W-0 R/W-0 Event Pol. Event Mod. bit Bit is unknown Section 5.2.3 Mode”) 2010 Microchip Technology Inc. ...
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... Comparator output (power-up default Interrupt output This bit cannot be altered when either of the lock bits is set (bit 6 and bit 7). 2010 Microchip Technology Inc. register can be written. (power-up default) Default”). This bit does not require a double-write. Window Lock Bit (Win. Lock): and T registers can be written ...
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... K Configuration Pointer MCP98242 MCP98242 MSB Data LSB Data MCP98242 Configuration Pointer MCP98242 MSB Data Master MCP98242 MCP98242 Note not necessary to select the Register Pointer if it was set from the previous read/ write LSB Data Master 2010 Microchip Technology Inc. ...
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... CRIT Temperature boundary trip data in two’s complement format. Unimplemented: Read as ‘0’ bit 1-0 Note: This table shows two 16-bit registers for T ‘0000 0011b’ and ‘0000 0100b’, respectively. 2010 Microchip Technology Inc UPPER ) and a LOWER ) that CRIT (Section 5 ...
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... MSB Data MCP98242 Pointer UPPER MCP98242 MCP98242 MSB Data Master MCP98242 LSB Data MCP98242 Note not necessary to select the Register Pointer if it was set from the previous read/write LSB Data Master Register (See Section 4.0 UPPER 2010 Microchip Technology Inc. ...
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... Data in 2’s complement format. Depending on the status of the Resolution Register bit 1-0 A these bits may display 2 Note 1: Not affected by the status of the Event output Configuration (bits CONFIG), 2010 Microchip Technology Inc. EQUATION 5-1: Where Ambient Temperature (°C) A Code = MCP98242 temperature output ...
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... Timing Diagram for Reading +25.25°C Temperature from the T Section 4.0 “Serial Communication”). DS21996D-page Pointer A MCP98242 MSB Data Master MCP98242 Note not necessary to select the Register Pointer if it was set from the previous read/ write LSB Data Master Register (See A 2010 Microchip Technology Inc. ...
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... A A SDA Address Byte SCLK A A SDA Address Byte FIGURE 5-6: Timing Diagram for Reading the Manufacturer ID Register (See Communication”). 2010 Microchip Technology Inc. R-0 R-0 Manufacturer ID R-1 R-0 Manufacturer Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared Manuf ...
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... Reading Device ID and Device Revision Register R-0 R-0 R-0 bit 8 R-0 R-0 R-1 bit Bit is unknown Note not necessary to select the Register Pointer if it was set from the previous read/ write LSB Data Master (See Section 4.0 2010 Microchip Technology Inc. ...
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... SDA Address Byte FIGURE 5-8: Timing Diagram for Changing T Section 4.0 “Serial Communication”). 2010 Microchip Technology Inc. “Temperature U-0 U-0 — — Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared = 30 ms typical typical) CONV = 130 ms typical) CONV = 260 ms typical) ...
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... Capability register (Register 5-2). A 0.25°C resolution is set as POR default by factory. Figure 5-2 shows device must be operating in ; the T vs. CONV A boundary conditions need CRIT drifts above or below T A UPPER is located in address 2010 Microchip Technology Inc. ...
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... UPPER UPPER HYST CRIT CRIT HYST When T and T A CRIT CONFIG (Event output mode) is ignored. FIGURE 5-9: Event Output Condition. 2010 Microchip Technology Inc. Samples/sec (typical UPPER HYST T -T LOWER HYST Event Output Comparator Interrupt ...
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... Figure 5-10 shows the timing diagram SCLK A A SDA Address Byte FIGURE 5-10: Timing Diagram for Byte Write (See DS21996D-page Word Address MCP98242 MCP98242 Section 4.0 “Serial Data MCP98242 Communication”). 2010 Microchip Technology Inc. ...
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... X Data at (n) MCP98242 Note: FIGURE 5-11: Timing Diagram for Page Write (See 2010 Microchip Technology Inc. Note: Page write operations are limited to writing bytes within a single physical page, regardless of the number of bytes actually being written. Physical page boundaries start at addresses that are integer multiples of the page buffer size (or ‘ ...
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... ACK X ACK ACK X ACK ACK Address ACK NoACK X NoACK ACK Address ACK Address Byte Slave Address R ACK Write Cycle X ACK Yes Data ACK Yes X NoACK No X ACK Yes X ACK Yes Data NoACK No X NoACK No Data NoACK No 2010 Microchip Technology Inc. ...
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... A0 pin, apply V HI_WP FIGURE 5-13: Timing Diagram for Setting Clear Write-Protect (See Communication”). 2010 Microchip Technology Inc. The Slave Address bits need to correspond to the address pin logic configuration. For SWP, a high voltage V HI_WP the corresponding slave address needs to be set to ‘1’, ...
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... However, the address pin states need to match the slave address bits, as shown in Table 5-4 and Word Address MCP98242 MCP98242 is not applied on the A0 pin to execute PWP. HI_WP is not applied on the HI_WP Table 5- Data MCP98242 Section 4.0 “Serial 2010 Microchip Technology Inc. ...
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... The master will not acknowledge (NAK) the transfer but does generate a Stop condition and the MCP98242 discontinues transmission 1 2 SCLK SDA Note: FIGURE 5-15: Reading Current Word Address (See 2010 Microchip Technology Inc. ACK Address ACK X NoACK X ACK X ACK X NoACK X (Figure 5-15) ...
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... In this example, ‘n’ is the current Address Word which ‘00’h and the data is the byte at address ‘n’. FIGURE 5-16: Timing Diagram for Random Read (See DS21996D-page Word Address (n) MCP98242 MCP98242 Address Byte Data at (n) MCP98242 Section 4.0 “Serial Master Communication”). 2010 Microchip Technology Inc. ...
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... This would include any error conditions occurring, such as improper number of clock cycles or improper instruction byte as defined previously. 2010 Microchip Technology Inc. To provide sequential reads, the MCP98242 contains an internal Address Pointer, which is incremented by one at the completion of each operation. This Address Pointer allows the entire memory contents to be serially read during one operation ...
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... Temperature event output Comparator mode Active-Low output Event and critical output Output disabled Event not asserted Interrupt cleared Event limits unlocked Critical limit unlocked Continuous conversion 0°C Hysteresis 0°C 0°C 0°C 0°C 0x0054 (hex) 0x2001 (hex) 0x01 (hex) 2010 Microchip Technology Inc. ...
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... Temperature Sensor EEPROM FIGURE 6-2: Multiple Devices on DIMM SMBus. 2010 Microchip Technology Inc. 6.2 Layout Considerations The MCP98242 does not require any additional components besides the master controller in order to measure temperature. However recommended that a decoupling capacitor of 0.1 µ µF be used between the V and GND pins ...
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... MCP98242 NOTES: DS21996D-page 40 2010 Microchip Technology Inc. ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 2010 Microchip Technology Inc. MCP98242 : Example ABJ ...
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... MCP98242 D N NOTE TOP VIEW A3 DS21996D-page EXPOSED PAD BOTTOM VIEW A NOTE NOTE 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP98242 DS21996D-page 43 ...
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... MCP98242 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21996D-page 44 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP98242 DS21996D-page 45 ...
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... MCP98242 DS21996D-page 46 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP98242 DS21996D-page 47 ...
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... MCP98242 DS21996D-page 48 2010 Microchip Technology Inc. ...
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... D N NOTE 2010 Microchip Technology Inc MCP98242 φ L DS21996D-page 49 ...
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... MCP98242 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21996D-page 50 2010 Microchip Technology Inc. ...
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... Updated Figure 5-9. Section 7.0 “Packaging Information”: 7. Updated package outline drawings. Revision B (February 2008) The following is the list of modifications: 1. Added TDFN package throughout document. Revision A (September 2006) • Original Release of this Document. 2010 Microchip Technology Inc. ID and MCP98242 DS21996D-page 51 ...
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... MCP98242 NOTES: DS21996D-page 52 2010 Microchip Technology Inc. ...
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... MCP98242-BE/MC: Extended Temp., 8LD DFN pkg. MCP98242T-BE/MC: Tape and Reel, Extended Temp., 8LD DFN pkg. MCP98242-BE/ST: Extended Temp., 8LD TSSOP pkg. MCP98242T-BE/ST: Tape and Reel, Extended Temp., 8LD TSSOP pkg. MCP98242-BE/MNY: Extended Temp., 8LD TDFN (nickel palladium gold) pkg. MCP98242-BE/MUY: Extended Temp., ...
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... MCP98242 NOTES: DS21996D-page 54 2010 Microchip Technology Inc. ...
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... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-6578-300 Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 2010 Microchip Technology Inc. 08/04/10 ...