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

    M41T11 Search Results

    SF Impression Pixel

    M41T11 Price and Stock

    STMicroelectronics M41T11M6F

    IC RTC CLK/CALENDAR I2C 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey M41T11M6F Digi-Reel 7,068 1
    • 1 $3.67
    • 10 $2.765
    • 100 $2.2907
    • 1000 $2.04208
    • 10000 $2.04208
    		Buy Now
    M41T11M6F Cut Tape 7,068 1
    • 1 $3.67
    • 10 $2.765
    • 100 $2.2907
    • 1000 $2.04208
    • 10000 $2.04208
    		Buy Now
    M41T11M6F Reel 5,000 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.94267
    		Buy Now
    Avnet Americas M41T11M6F Reel 2,500 24 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.827
    		Buy Now
    M41T11M6F Reel 24 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.827
    		Buy Now
    M41T11M6F Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.79012
    		Buy Now
    Mouser Electronics M41T11M6F 4,751
    • 1 $3.67
    • 10 $2.54
    • 100 $2.3
    • 1000 $2.03
    • 10000 $1.9
    		Buy Now
    Verical M41T11M6F 17,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.806
    		Buy Now
    M41T11M6F 15,000 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.6019
    		Buy Now
    Arrow Electronics M41T11M6F 17,500 24 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.806
    		Buy Now
    M41T11M6F 15,000 24 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.5899
    		Buy Now
    Newark M41T11M6F Cut Tape 1,880 1
    • 1 $3.88
    • 10 $3.3
    • 100 $2.85
    • 1000 $2.06
    • 10000 $2.06
    		Buy Now
    STMicroelectronics M41T11M6F 4,751 1
    • 1 $3.6
    • 10 $2.49
    • 100 $2.25
    • 1000 $2.07
    • 10000 $2.07
    		Buy Now
    TME M41T11M6F 1,088 1
    • 1 $4.54
    • 10 $4.33
    • 100 $3.33
    • 1000 $3.06
    • 10000 $3.06
    		Buy Now
    Avnet Silica M41T11M6F 5,000 17 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    EBV Elektronik M41T11M6F 25 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Win Source Electronics M41T11M6F 12,359
    • 1 -
    • 10 -
    • 100 $2.5
    • 1000 $2.4
    • 10000 $2.4
    		Buy Now

    STMicroelectronics M41T11MH6F

    IC RTC CLK/CALENDAR I2C 28SOH
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey M41T11MH6F Digi-Reel 4,256 1
    • 1 $6.27
    • 10 $4.811
    • 100 $4.0477
    • 1000 $3.8572
    • 10000 $3.8572
    		Buy Now
    M41T11MH6F Cut Tape 4,256 1
    • 1 $6.27
    • 10 $4.811
    • 100 $4.0477
    • 1000 $3.8572
    • 10000 $3.8572
    		Buy Now
    M41T11MH6F Reel 3,744 936
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.65607
    • 10000 $3.65607
    		Buy Now
    Avnet Americas M41T11MH6F Reel 1,872 24 Weeks 936
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.419
    • 10000 $3.19545
    		Buy Now
    M41T11MH6F Reel 936
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.419
    • 10000 $3.19545
    		Buy Now
    Mouser Electronics M41T11MH6F 736
    • 1 $6.27
    • 10 $4.82
    • 100 $4.05
    • 1000 $3.65
    • 10000 $3.38
    		Buy Now
    Newark M41T11MH6F Reel 1,872 936
    • 1 $3.42
    • 10 $3.42
    • 100 $3.42
    • 1000 $3.42
    • 10000 $3.42
    		Buy Now
    M41T11MH6F Cut Tape 1
    • 1 $4.45
    • 10 $4.45
    • 100 $4.45
    • 1000 $4.45
    • 10000 $4.45
    		Buy Now
    STMicroelectronics M41T11MH6F 736 1
    • 1 $6.15
    • 10 $4.72
    • 100 $3.97
    • 1000 $3.78
    • 10000 $3.78
    		Buy Now
    Bristol Electronics M41T11MH6F 20
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    M41T11MH6F 11
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Avnet Silica M41T11MH6F 936 17 Weeks 936
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    EBV Elektronik M41T11MH6F 25 Weeks 936
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Win Source Electronics M41T11MH6F 8,720
    • 1 -
    • 10 $5.4657
    • 100 $3.6438
    • 1000 $3.6438
    • 10000 $3.6438
    		Buy Now

    STMicroelectronics M41T11M6E

    IC RTC CLK/CALENDAR I2C 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey M41T11M6E Tube 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $1.92383
    		Buy Now

    STMicroelectronics M41T11MH6E

    IC RTC CLK/CALENDAR I2C 28SOH
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey M41T11MH6E Tube 364
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.46904
    • 10000 $3.46904
    		Buy Now
    Bristol Electronics M41T11MH6E 32
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote

    JST Manufacturing SIM-41T-110B

    CONN QC TAB 16-20AWG 0.110 CRIMP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SIM-41T-110B Reel 7,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.04625
    		Buy Now
    Mouser Electronics SIM-41T-110B
    • 1 $0.13
    • 10 $0.101
    • 100 $0.075
    • 1000 $0.054
    • 10000 $0.044
    		Get Quote
    Find more M41T11 price and stock on Findchips.com

    M41T11 Datasheets (33)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    M41T11 STMicroelectronics 512 BIT (64B x 8) SERIAL ACCESS TIMEKEEPER SRAM Original PDF
    M41T11 STMicroelectronics 512 Bit (64B X8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11 STMicroelectronics 512 bit (64b x8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11 STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11 STMicroelectronics 512 BIT (64B x 8) SERIAL ACCESS TIMEKEEPER SRAM Original PDF
    M41T11M STMicroelectronics 512 bit 64b x8 Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6 STMicroelectronics 512 Bit (64B X8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6 STMicroelectronics 512 bit (64 bit x 8) SERIAL ACCESS TIMEKEEPER SRAM Original PDF
    M41T11M6 STMicroelectronics 512 Bit (64 Bit x 8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6 STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11M6 STMicroelectronics 512 bit (64b x 8) Serial Access TIMEKEEPER SRAM Scan PDF
    M41T11M6E STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11M6E STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11M6E STMicroelectronics 512 Bit (64B X8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6F STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11M6F STMicroelectronics 512 Bit (64B X8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6F STMicroelectronics Serial real-time clock with 56 bytes of NVRAM Original PDF
    M41T11M6TR STMicroelectronics 512 Bit (64 Bit x 8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6TR STMicroelectronics 512 Bit (64B X8) Serial Access TIMEKEEPER SRAM Original PDF
    M41T11M6TR STMicroelectronics 512 bit (64b x 8) Serial Access TIMEKEEPER SRAM Scan PDF

    M41T11 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    Untitled

    Abstract: No abstract text available
    Text: M41T11 Serial real time clock with 56 bytes of NVRAM Features • Counters for seconds, minutes, hours, day, date, month, years and century ■ 32KHz crystal oscillator integrating load capacitance 12.5pF providing exceptional oscillator stability and high crystal series


    Original     		PDF M41T11 32KHz 100kHz 28-lead

    M41T11

    Abstract: SOH28 battery receiving tubes
    Text: M41T11 512 bit 64 bit x8 Serial Access TIMEKEEPER SRAM FEATURES SUMMARY • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2.0 TO 5.5V CLOCK OPERATING VOLTAGE COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS AND CENTURY YEAR 2000 COMPLIANT


    Original     		PDF M41T11 28-LEAD M41T11 SOH28 battery receiving tubes

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 28-LEAD

    KDS DT-38

    Abstract: KDS oscillator SMD 32768 BR1225 BR1632 M41T11 SOH28 KDS 48 MHZ crystal oscillator M41T11 Application quartz kds DT-38
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 28-LEAD KDS DT-38 KDS oscillator SMD 32768 BR1225 BR1632 M41T11 SOH28 KDS 48 MHZ crystal oscillator M41T11 Application quartz kds DT-38

    Untitled

    Abstract: No abstract text available
    Text: M41T11 Serial real-time clock RTC with 56 bytes of NVRAM Datasheet − production data Features • Counters for seconds, minutes, hours, day, date, month, years and century ■ 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional


    Original     		PDF M41T11 28-lead

    Untitled

    Abstract: No abstract text available
    Text: M41T11 Serial real-time clock RTC with 56 bytes of NVRAM Datasheet − production data Features • Counters for seconds, minutes, hours, day, date, month, years and century ■ 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional


    Original     		PDF M41T11

    KDS DT-38

    Abstract: kds 1555
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0 TO 5.5V SUPPLY VOLTAGE ■ COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 28-LEAD 28-pin KDS DT-38 kds 1555

    package info stmicroelectronics

    Abstract: No abstract text available
    Text: M41T11 512 bit 64 bit x8 Serial Access TIMEKEEPER SRAM FEATURES SUMMARY • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 2.0 TO 5.5V CLOCK OPERATING VOLTAGE COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS AND CENTURY YEAR 2000 COMPLIANT


    Original     		PDF M41T11 28-LEAD package info stmicroelectronics

    KDS Crystals 32.768

    Abstract: kds 32.768 KDS 48 MHZ crystal oscillator KDS 8 MHZ crystal quartz kds KDS 32. 768 KHZ crystal KDS Crystals oscillator SH 05.22 BR1225 BR1632
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 28-LEAD KDS Crystals 32.768 kds 32.768 KDS 48 MHZ crystal oscillator KDS 8 MHZ crystal quartz kds KDS 32. 768 KHZ crystal KDS Crystals oscillator SH 05.22 BR1225 BR1632

    CRYSTAL 32.768KHz DATASHEET KDS

    Abstract: KDS Crystals 32.768 quartz kds M41T11 Application 26-SMD alternate SDA DMX chip DMX-26 KDS 32. 768 KHZ crystal KDS Crystals 32.768kHz
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0V to 5.5V SUPPLY VOLTAGE ■ Figure 1. Package COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION


    Original     		PDF M41T11 28-LEAD CRYSTAL 32.768KHz DATASHEET KDS KDS Crystals 32.768 quartz kds M41T11 Application 26-SMD alternate SDA DMX chip DMX-26 KDS 32. 768 KHZ crystal KDS Crystals 32.768kHz

    quartz kds

    Abstract: 26-SMD KDS Crystals DMX-26 BR1225 BR1632 M41T11 SOH28 41T11 2001 nvram
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0 TO 5.5V CLOCK OPERATING VOLTAGE ■ Figure 1. 8-pin DIP Package COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION


    Original     		PDF M41T11 28-pin quartz kds 26-SMD KDS Crystals DMX-26 BR1225 BR1632 M41T11 SOH28 41T11 2001 nvram

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM PRELIMINARY DATA 2.0V to 5.5V SUPPLY VOLTAGE COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY YEAR 2000 COMPLIANT SOFTWARE CLOCK CALIBRATION AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 M41T11

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 28-LEAD

    M41T11

    Abstract: MSO8
    Text: M41T11 512 bit 64b x8 Serial Access TIMEKEEPER SRAM DATA BRIEFING 2.0V to 5.5V SUPPLY VOLTAGE COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY YEAR 2000 COMPLIANT SOFTWARE CLOCK CALIBRATION AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY


    Original     		PDF M41T11 M41T11 clock1T11 150mil AI01001 MSO8

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0 TO 5.5V CLOCK OPERATING VOLTAGE ■ Figure 1. 8-pin DIP Package COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION


    Original     		PDF M41T11 28-LEAD

    M41T11

    Abstract: SOH28
    Text: M41T11 Serial real-time clock with 56 bytes of NVRAM Features • Counters for seconds, minutes, hours, day, date, month, years and century ■ 32 KHz crystal oscillator integrating load capacitance 12.5 pF providing exceptional oscillator stability and high crystal series


    Original     		PDF M41T11 28-lead M41T11 SOH28

    M41T00

    Abstract: M41T11 AN1011 AN922 M41T56 M41T11 Application AN-922
    Text: AN922 APPLICATION NOTE Using a Super Cap to Back-up The M41T56, M41T00 and M41T11 The M41T56, M41T00 and M41T11 TIMEKEEPER devices, from STMicroelectronics, are used by applications designers who need a single chip device that offers fast SRAM storage and an integrated Real


    Original     		PDF AN922 M41T56, M41T00 M41T11 M41T11 AN1011) AN1011 AN922 M41T56 M41T11 Application AN-922

    AN922

    Abstract: M41T81 M41T11 AN1011 M41ST84 M41T00 M41T56 M41T94 AN-922 BE550
    Text: AN922 APPLICATION NOTE Using a Super Cap to Back-up the M41T56, M41T00, M41T11, M41T81, M41T94, and M41ST84 16-pin INTRODUCTION The M41T56, M41T00, M41T11, M41T81, M41T94, and M41ST84 (16-pin) TIMEKEEPER devices from STMicroelectronics are used by applications designers who need a single chip device that offers fast


    Original     		PDF AN922 M41T56, M41T00, M41T11, M41T81, M41T94, M41ST84 16-pin) AN922 M41T81 M41T11 AN1011 M41ST84 M41T00 M41T56 M41T94 AN-922 BE550

    BR1225

    Abstract: BR1632 M41T11 SOH28
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0 TO 5.5V CLOCK OPERATING VOLTAGE ■ Figure 1. 8-pin SOIC Package COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION


    Original     		PDF M41T11 28-pin BR1225 BR1632 M41T11 SOH28

    M41T11

    Abstract: TIMEKEEPER SRAM RAM circuit diagram
    Text: M41T11 512 bit 64b x8 CMOS Serial Access TIMEKEEPER SRAM DATA BRIEFING 2.0V to 5.5V SUPPLY VOLTAGE COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY YEAR 2000 COMPLIANT SOFTWARE CLOCK CALIBRATION AUTOMATIC SWITCH-OVER and DESELECT


    Original     		PDF M41T11 M41T11 cl1T11 150mil AI01001 TIMEKEEPER SRAM RAM circuit diagram

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64 bit x 8 SERIAL ACCESS TIMEKEEPER SRAM FEATURES SUMMARY • 2.0 TO 5.5V CLOCK OPERATING VOLTAGE ■ Figure 1. 8-pin DIP Package COUNTERS FOR SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION


    Original     		PDF M41T11 28-LEAD

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64b x8 Serial Access TIM EKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    OCR Scan     		PDF M41T11 150mil M41T11

    Untitled

    Abstract: No abstract text available
    Text: M41T11 512 bit 64b x8 Serial Access TIM EKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    OCR Scan     		PDF M41T11 150mil M41T11

    KDS Crystals 32.768

    Abstract: quartz kds DT-38 KDS 32. 768 KHZ crystal KDS Crystals oscillator M41T11
    Text: 7 M41T11 / 512 bit 64b x8 Serial Access TIM EKEEPER SRAM • 2.0V to 5.5V SUPPLY VOLTAGE ■ COUNTERS for SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEARS and CENTURY ■ YEAR 2000 COMPLIANT ■ SOFTWARE CLOCK CALIBRATION ■ AUTOMATIC SWITCH-OVER and DESELECT


    OCR Scan     		PDF M41T11 150mil M41T11 KDS Crystals 32.768 quartz kds DT-38 KDS 32. 768 KHZ crystal KDS Crystals oscillator