Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    ICL3245E Search Results

    SF Impression Pixel

    ICL3245E Price and Stock

    Rochester Electronics LLC ICL3245ECV

    IC TRANSCEIVER FULL 3/5 28TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ICL3245ECV Tube 4,326 213
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.41
    • 10000 $1.41
    Buy Now

    Rochester Electronics LLC ICL3245ECB

    IC TRANSCEIVER FULL 3/5 28SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ICL3245ECB Tube 4,079 125
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.41
    • 10000 $2.41
    Buy Now

    Rochester Electronics LLC ICL3245ECB-T

    IC TRANSCEIVER FULL 3/5 28SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ICL3245ECB-T Bulk 4,000 222
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.35
    • 10000 $1.35
    Buy Now

    Rochester Electronics LLC ICL3245ECA

    IC TRANSCEIVER FULL 3/5 28SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () ICL3245ECA Tube 3,193 104
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.89
    • 10000 $2.89
    Buy Now
    ICL3245ECA Tube 575 104
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.89
    • 10000 $2.89
    Buy Now

    Renesas Electronics Corporation ICL3245ECAZ

    IC TRANSCEIVER FULL 3/5 28SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey ICL3245ECAZ Tube 1,379 1
    • 1 $4.29
    • 10 $2.771
    • 100 $1.9268
    • 1000 $1.51264
    • 10000 $1.4375
    Buy Now
    Avnet Americas ICL3245ECAZ Tube 12 Weeks 1,410
    • 1 $2.74
    • 10 $2.74
    • 100 $2.74
    • 1000 $2.74
    • 10000 $2.74
    Buy Now
    Mouser Electronics ICL3245ECAZ 891
    • 1 $3.47
    • 10 $2.76
    • 100 $1.66
    • 1000 $1.43
    • 10000 $1.43
    Buy Now
    Avnet Silica ICL3245ECAZ 14 Weeks 705
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    ICL3245E Datasheets (24)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF PDF Size Page count
    ICL3245E
    Intersil Original PDF 379.9KB 19
    ICL3245ECA
    Intersil Original PDF 379.9KB 19
    ICL3245ECA
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SSOP Original PDF 444.67KB 20
    ICL3245ECA-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SSOP T&R Original PDF 444.67KB 20
    ICL3245ECAZ
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SSOP Original PDF 444.67KB 20
    ICL3245ECAZ
    Intersil Original PDF 379.9KB 19
    ICL3245ECAZ-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SSOP T&R Original PDF 444.67KB 20
    ICL3245ECAZ-TS2705
    Renesas Electronics IC AMP CLASS Original PDF 438.01KB
    ICL3245ECB
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SOIC Original PDF 444.67KB 20
    ICL3245ECB
    Intersil Original PDF 379.91KB 19
    ICL3245ECB-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SOIC T&R Original PDF 444.67KB 20
    ICL3245ECBZ
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SOIC Original PDF 444.67KB 20
    ICL3245ECBZ-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-SOIC T&R Original PDF 444.67KB 20
    ICL3245ECV
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-TSSOP Original PDF 444.67KB 20
    ICL3245ECVZ
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-TSSOP Original PDF 444.67KB 20
    ICL3245ECVZ-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: 0°C to 70°C; Package: 28-TSSOP T&R Original PDF 444.67KB 20
    ICL3245EIA
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: -40°C to 85°C; Package: 28-SSOP Original PDF 444.67KB 20
    ICL3245EIA
    Intersil Original PDF 379.9KB 19
    ICL3245EIA-T
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: -40°C to 85°C; Package: 28-SSOP T&R Original PDF 444.67KB 20
    ICL3245EIAZ
    Intersil ±15kV ESD Protected, +3V to +5.5V, 1mA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown; Temperature Range: -40°C to 85°C; Package: 28-SSOP Original PDF 444.67KB 20

    ICL3245E Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet July 2004 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E FN4900 RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 PDF

    Contextual Info: ICL3245E TM Data Sheet August 2000 +/-15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceiver with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Additionally,


    Original
    ICL3245E /-15kV RS-232 ICL32XXE ElA/TIA-232 PDF

    AN9863

    Abstract: ICL3225E ICL3227E ICL3245E IEC1000 MAX3225E MAX3227E MAX3245E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E TM Data Sheet tle 32 , 32 , 32 jec k SD ect to V, cro , ps sc rs anc om er n) tho ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered


    Original
    ICL3225E, ICL3227E, ICL3245E RS-232 ICL32XXE ElA/TIA-232 AN9863 ICL3225E ICL3227E ICL3245E IEC1000 MAX3225E MAX3227E MAX3245E PDF

    AN9863

    Abstract: ICL3225E ICL3227E ICL3245E MAX3225E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet February 21, 2005 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 AN9863 ICL3225E ICL3227E ICL3245E MAX3225E PDF

    12V convert to 3.7V

    Abstract: circuit diagram of rc transmitter and receiver AN9863 ICL3225E ICL3227E ICL3245E MAX3225E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet June 2003 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 12V convert to 3.7V circuit diagram of rc transmitter and receiver AN9863 ICL3225E ICL3227E ICL3245E MAX3225E PDF

    MO-150AH

    Abstract: AN9863 ICL3225E ICL3227E ICL3245E MAX3225E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet July 13, 2005 FN4900.8 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown Features The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E FN4900 RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 MO-150AH AN9863 ICL3225E ICL3227E ICL3245E MAX3225E PDF

    circuit diagram of rc transmitter and receiver

    Abstract: AN9863 ICL3225E ICL3227E ICL3245E MAX3225E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet June 2004 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 circuit diagram of rc transmitter and receiver AN9863 ICL3225E ICL3227E ICL3245E MAX3225E PDF

    3227ecaz

    Abstract: 3227EIAZ fn4900 3225ECPZ ICL3245ECAZ AN9863 ICL3225E ICL3227E ICL3245E MAX3225E
    Contextual Info: ICL3225E, ICL3227E, ICL3245E Data Sheet February 27, 2006 FN4900.9 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown Features The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E FN4900 RS-232 ICL32XXE ElA/TIA-232 IEC61000-4-2 3227ecaz 3227EIAZ 3225ECPZ ICL3245ECAZ AN9863 ICL3225E ICL3227E ICL3245E MAX3225E PDF

    Contextual Info: ICL3225E, ICL3227E, ICL3245E TM Data Sheet December 2000 ±15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XXE devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and


    Original
    ICL3225E, ICL3227E, ICL3245E RS-232 ICL32XXE ElA/TIA-232 PDF

    ADC Key 1 603 rs232

    Abstract: ISL26104 isl26102 ISL3152 ADS1232 use for weighing ads1232 weigh scale schematic PR40-Precision-SOI schematic diagram PWM solar charger solar usb charger schematic ECG sensor
    Contextual Info: INTERSIL SELECTION GUIDE SIGNAL PATH Real Time Clocks Switches/Multiplexers Interface Digital Potentiometers Data Converters High Speed Op Amps Precision Op Amps Precision Instrumentation Amplifiers Precision Voltage References Power Management  Q3/Q4 2012


    Original
    1-888-INTERSIL D-85737 LC-096 ADC Key 1 603 rs232 ISL26104 isl26102 ISL3152 ADS1232 use for weighing ads1232 weigh scale schematic PR40-Precision-SOI schematic diagram PWM solar charger solar usb charger schematic ECG sensor PDF

    HIN238

    Abstract: 485-RS-232 Transceivers TO-5 ICL3207E ICL3217E ICL3221E ICL3222E ICL3223E RS-232 to i2c ISL3281E
    Contextual Info: 9 Interface ICs 2008 P RODUCT S ELECTION GUIDE Interface ICs pg. 9-1 Multi-Protocol (pg. 9-33) RS-485/RS-422 (pg. 9-4) SMBus Accelerator (SMA) (pg. 9-35) RS-232 and RS-485 (pg. 9-33) ESD Protected, 5V (pg. 9-3) IEC61000 15kV ESD (pg. 9-4) HBM 12kV to 15kV ESD


    Original
    RS-232 RS-485/RS-422 RS-232 RS-485 250kbps, 40Mbps 100Mbps 15Mbps pRS-485 RS-485, HIN238 485-RS-232 Transceivers TO-5 ICL3207E ICL3217E ICL3221E ICL3222E ICL3223E RS-232 to i2c ISL3281E PDF

    schematic diagram 180v dc motor speed controller

    Abstract: schematic diagram 48v dc motor speed controller 300khz 600V mosfet driver IC e bike motor controller CCTV SCHEMATIC camera board e-bike tv lcd Schematic Power Supply ISL2111 ISL24822 pwm e-bike
    Contextual Info: Design Tools/Applications 18 2009 P RODUCT SELECTION GUIDE Design Tools Applications Support on the Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2 iSim Online Design Simulation Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2


    Original
    ISL24017 X9C102 ISL24011 X9C103 X9C104 ISL24010 X93154 EL5000A X93155 1-888-INTERSIL schematic diagram 180v dc motor speed controller schematic diagram 48v dc motor speed controller 300khz 600V mosfet driver IC e bike motor controller CCTV SCHEMATIC camera board e-bike tv lcd Schematic Power Supply ISL2111 ISL24822 pwm e-bike PDF

    Contextual Info: ICL3224, ICL3226, ICL3244 TM Data Sheet December 2000 1 Microamp, +3V to +5.5V, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown File Number 4876.2 Features • Manual and Enhanced Automatic Powerdown Features The Intersil ICL32XX devices are 3.0V to 5.5V powered


    Original
    ICL3224, ICL3226, ICL3244 250kbps, RS-232 ICL32XX ElA/TIA-232 PDF

    ISL43L210

    Abstract: ISL21060 ISL43240 ISL22414 EL8170 ISL84781 X95840 EL7156 EL8172 EL8203
    Contextual Info: PRECISION ANALOG PRODUCTS QUICK SELECTION GUIDE Real-Time Clocks, Switches/MUXes, Interface, Digital Potentiometers, Data Converters, High Speed Op Amps, High Speed Drivers, Precision Op Amps, Current Sense Amplifiers, Instrumentation Amplifiers, Voltage References, Battery Management Solutions


    Original
    LC-096 ISL43L210 ISL21060 ISL43240 ISL22414 EL8170 ISL84781 X95840 EL7156 EL8172 EL8203 PDF

    ICL3232

    Contextual Info: ICL3221 thru ICL3243 TM Data Sheet March 2000 1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers The Intersil ICL32XX devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Targeted


    Original
    ICL3221 ICL3243 250kbps, RS-232 ICL32XX ElA/TIA-232 ICL3232) ICL3232 PDF

    Contextual Info: ICL3221 thru ICL3243 TM Data Sheet November 2000 1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers The Intersil ICL32XX devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Targeted


    Original
    ICL3221 ICL3243 250kbps, RS-232 ICL32XX ElA/TIA-232 ICL3232) PDF

    HAA0-51405R4649

    Abstract: HAA9 HAA0-51405R4347 TA12004 haa9p HFA3624IA1K HAA0-51045R4194 a1t diode a1y PACKAGE HFA3763IN96
    Contextual Info: Intersil Corporation P.O. Box 883 2401 Palm Bay Road Palm Bay, Florida 32905 321 724-7000 March 30, 2001 To: Our Valued Customers Attention: Procurement Manager Subject: PLC#01001 Report 1 - Quarterly Product Withdrawal Notice – Standard Products Intersil Corporation is pleased to have been your supplier for the products identified in the attached list


    Original
    06-Mar-01 ICL8013BCTX 30-Mar-01 29-Jun-01 ICL8013CCTX 12-Mar-01 CA30393 HAA0-51405R4649 HAA9 HAA0-51405R4347 TA12004 haa9p HFA3624IA1K HAA0-51045R4194 a1t diode a1y PACKAGE HFA3763IN96 PDF

    isl32490e

    Contextual Info: Interface RS-232 Intersil offers a broad portfolio of robust, wide operating voltage range, RS-232 transceivers. There are many transmitter and receiver combinations in standard inline packages plus space saving QFN package options as well. Most operate over a wide 2.7V to 5.5V supply range with a variety of power down modes.


    Original
    RS-232 RS-232 ISL4221E EIA/TIA-232 20-lead ISL3035E ISL3034E isl32490e PDF

    HIN238

    Abstract: ICL3221 ICL3221E ICL3226 ICL3226E ICL3227E ISL3295E
    Contextual Info: 9 Interface ICs 2009 P RODUCT S ELECTION GUIDE Interface ICs pg. 9-1 SMBus Accelerator (SMA) RS-232 and RS-485 (pg. 9-29) ESD Protected, 3V, Logic Supply (VL) Pin (Built-in Level Shifter) (pg. 9-5) IEC61000 15kV ESD (pg. 9-7) HBM 12kV to 15kV ESD (pg. 9-8)


    Original
    RS-232 RS-485/RS-422 RS-232 RS-485 250kbps, ISL88694 OT-23 1-888-INTERSIL RS-232, RS-422, HIN238 ICL3221 ICL3221E ICL3226 ICL3226E ICL3227E ISL3295E PDF

    3245E

    Abstract: 15KV ICL3244E IEC1000-4-2 MAX3244E SP3244E SP3245E SP3245EEY_L SP32XX
    Contextual Info: SP3244E-SP3245E 3.0V to 5.5V RS-232 Transceivers with Auto On-Line Plus FEATURES • Contains 3-Drivers and 5-Receivers; Single-chip DTE PC or terminal serial port transceiver • Auto On-line® Plus • SP3244E slew-controlled to 250Kbps under load • SP3245E 1Mbps data rate for high-speed RS-232


    Original
    SP3244E-SP3245E RS-232 SP3244E 250Kbps SP3245E RS-232 EIA/TIA-232-F EIA/TIA-562 EIA/TIA-232 3245E 15KV ICL3244E IEC1000-4-2 MAX3244E SP3245EEY_L SP32XX PDF

    HCA8001AIB

    Abstract: hca8001 HCA8001IB ca3080e HIP51222 CDP65C51AE2 HAA9P-51635R2869 hip51222db CDP68HC68R2E HIP6008CB
    Contextual Info: PRODUCT CHANGE NOTICE Refer to: PCN00067 Date: 8/25//00 Intersil’s Agreement with ChipPAC Notice of Qualification of ChipPAC Sites for Commercial SOIC, PLCC and PDIP Products I N T E R S I L C O R P O R A T I O N Ã ÃÃ| Post Office Box 883 | Melbourne, FL USA 32902-0883 | Telephone 407-724-7000 | www.intersil.com


    Original
    PCN00067 PCN00061) HC55185ECM96R4854 HC55185ECMR4854 HC55185FCM HC55185FCM96 HC55185X HC5523IM HC5523IMR4706 HC5523IMR4722 HCA8001AIB hca8001 HCA8001IB ca3080e HIP51222 CDP65C51AE2 HAA9P-51635R2869 hip51222db CDP68HC68R2E HIP6008CB PDF

    Contextual Info: ICL3225, ICL3227, ICL3245 TM Data Sheet November 2000 1 Microamp, +3V to +5.5V, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown The Intersil ICL32XX devices are 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Targeted


    Original
    ICL3225, ICL3227, ICL3245 RS-232 ICL32XX ElA/TIA-232 PDF

    HIN238

    Abstract: fractional load rs485 transceiver RS-485
    Contextual Info: 6 Interface A NALOG S IGNAL P ROCESSING Interface pg. 6-1 I2C and SMBus Buffers and Accelerators (pg. 6-20) 15kV ESD (pg. 6-6) High-Speed, 5V (pg. 6-2) 5V 1UL (pg. 6-8) ESD Protected, 5V (pg. 6-3) 5V Fractional UL (pg. 6-10) High Speed, 3V (pg. 6-3) Full Fail-Safe


    Original
    RS-232 RS-485/RS-422 15Mbps 10Mbps 1-888-INTERSIL ISL8487E ISL88694 HIN238 fractional load rs485 transceiver RS-485 PDF

    AN9863

    Abstract: ICL3222 232E ICL3207 ICL3207E ICL3232 ICL3232E laptop battery pinout RS232 ic
    Contextual Info: 3V to +5.5V, 250k-1Mbps, RS-232 Transmitters/Receivers Application Note Introduction The newest additions to the Intersil RS-232 Interface Product portfolios are the ICL32XX, ISL42XX and ISL8XXX families. These devices all operate from a single 3.0V to


    Original
    250k-1Mbps, RS-232 RS-232 ICL32XX, ISL42XX 250kbps AN9863 ICL3222 232E ICL3207 ICL3207E ICL3232 ICL3232E laptop battery pinout RS232 ic PDF