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

    DS1220 Search Results

    DS1220 Result Highlights (4)

    Part ECAD Model Manufacturer Description Download Buy
    ADS1220IPW
    Texas Instruments 24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface 16-TSSOP -40 to 125 Visit Texas Instruments Buy
    ADS1220IRVAR
    Texas Instruments 24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface 16-VQFN -40 to 125 Visit Texas Instruments Buy
    ADS1220IRVAT
    Texas Instruments 24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface 16-VQFN -40 to 125 Visit Texas Instruments Buy
    ADS1220IPWR
    Texas Instruments 24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface 16-TSSOP -40 to 125 Visit Texas Instruments Buy

    DS1220 Datasheets (182)

    Select Manufacturer
    Part ECAD Model Manufacturer Description Datasheet Type PDF PDF Size Page count
    DS1220
    Maxim Integrated Products Using Nonvolatile Static RAMs Original PDF 75.4KB 11
    DS1220AB
    Dallas Semiconductor 16k Nonvolatile SRAM Original PDF 138.4KB 9
    DS1220AB
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 180.4KB 9
    DS1220AB
    Dallas Semiconductor 16k Nonvolatile SRAM Scan PDF 581.08KB 9
    DS1220AB-100
    Dallas Semiconductor Memory, Integrated Circuits (ICs), IC NVSRAM 16KBIT 100NS 24EDIP Original PDF 8
    DS1220AB-100+
    Dallas Semiconductor Memory, Integrated Circuits (ICs), IC NVSRAM 16KBIT 100NS 24EDIP Original PDF 8
    DS1220AB-100
    Dallas Semiconductor NVRAM, NVSRAM, Parallel, 5V Supply Voltage, 24-Pin Original PDF 138.4KB 9
    DS1220AB-100
    Dallas Semiconductor 16K Nonvolatile SRAM Original PDF 90.53KB 9
    DS1220AB-100
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 146.32KB 10
    DS1220AB-100
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 180.39KB 9
    DS1220AB-100+
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 146.32KB 10
    DS1220AB-100
    Dallas Semiconductor 16K Nonvolatile SRAM Scan PDF 197.1KB 9
    DS1220AB-100
    Dallas Semiconductor 16K Nonvolatile SRAM Scan PDF 839.63KB 14
    DS1220AB-100
    Dallas Semiconductor 16K Nonvolatile SRAM Scan PDF 535.54KB 7
    DS1220AB-100IND+
    Dallas Semiconductor Memory, Integrated Circuits (ICs), IC NVSRAM 16KBIT 100NS 24EDIP Original PDF 8
    DS1220AB-100-IND
    Dallas Semiconductor 16k Nonvolatile SRAM Original PDF 138.41KB 9
    DS1220AB-100IND
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 146.32KB 10
    DS1220AB-100IND
    Maxim Integrated Products NVRAM, 16k Nonvolatile SRAM Original PDF 160.24KB 8
    DS1220AB-100IND+
    Maxim Integrated Products 16k Nonvolatile SRAM Original PDF 146.32KB 10
    DS1220AB-120
    Dallas Semiconductor Memory, Integrated Circuits (ICs), IC NVSRAM 16KBIT 120NS 24EDIP Original PDF 8
    ...
    SF Impression Pixel

    DS1220 Price and Stock

    Analog Devices Inc

    Analog Devices Inc DS1220AB-150+

    NVRAM NVSRAM Parallel 16Kbit 5V 24-Pin EDIP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical DS1220AB-150+ 1,316 28
    • 1 -
    • 10 -
    • 100 $18.70
    • 1000 $18.70
    • 10000 $18.70
    Buy Now
    Mouser Electronics DS1220AB-150+ 14
    • 1 $33.52
    • 10 $31.03
    • 100 $27.07
    • 1000 $25.64
    • 10000 $25.64
    Buy Now
    Newark DS1220AB-150+ Bulk 47 1
    • 1 $30.57
    • 10 $28.84
    • 100 $26.61
    • 1000 $26.61
    • 10000 $26.61
    Buy Now
    Analog Devices Inc DS1220AB-150+ 1,311
    • 1 $33.52
    • 10 $33.52
    • 100 $33.52
    • 1000 $15.12
    • 10000 $15.12
    Buy Now
    Vyrian DS1220AB-150+ 11,869
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Analog Devices Inc DS1220AD-150+

    NVRAM NVSRAM Parallel 16Kbit 5V 24-Pin EDIP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical DS1220AD-150+ 1,064 28
    • 1 -
    • 10 -
    • 100 $20.43
    • 1000 $20.43
    • 10000 $20.43
    Buy Now
    Mouser Electronics DS1220AD-150+
    • 1 $36.50
    • 10 $34.05
    • 100 $30.42
    • 1000 $28.79
    • 10000 $28.79
    Get Quote
    Newark DS1220AD-150+ Bulk 48 1
    • 1 $33.28
    • 10 $31.39
    • 100 $28.97
    • 1000 $28.97
    • 10000 $28.97
    Buy Now
    Analog Devices Inc DS1220AD-150+ 1,059
    • 1 $36.50
    • 10 $36.50
    • 100 $36.50
    • 1000 $16.52
    • 10000 $16.52
    Buy Now
    Vyrian DS1220AD-150+ 6,281
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Analog Devices Inc DS1220AD-100IND+

    NVRAM NVSRAM Parallel 16Kbit 5V 24-Pin EDIP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical () DS1220AD-100IND+ 700 28
    • 1 -
    • 10 -
    • 100 $18.97
    • 1000 $18.97
    • 10000 $18.97
    Buy Now
    DS1220AD-100IND+ 84 28
    • 1 -
    • 10 -
    • 100 $20.37
    • 1000 $19.57
    • 10000 $19.49
    Buy Now
    Arrow Electronics DS1220AD-100IND+ 84 10 Weeks 28
    • 1 -
    • 10 -
    • 100 $20.37
    • 1000 $19.57
    • 10000 $19.49
    Buy Now
    Newark DS1220AD-100IND+ Bulk 62 1
    • 1 $32.85
    • 10 $30.99
    • 100 $28.60
    • 1000 $28.60
    • 10000 $28.60
    Buy Now
    Analog Devices Inc DS1220AD-100IND+ 579
    • 1 $33.99
    • 10 $33.99
    • 100 $33.99
    • 1000 $15.34
    • 10000 $15.34
    Buy Now
    Vyrian DS1220AD-100IND+ 5,760
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Analog Devices Inc DS1220AB-100IND+

    NVRAM NVSRAM Parallel 16Kbit 5V 24-Pin EDIP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical DS1220AB-100IND+ 672 28
    • 1 -
    • 10 -
    • 100 $18.97
    • 1000 $18.97
    • 10000 $18.97
    Buy Now
    Mouser Electronics DS1220AB-100IND+ 1
    • 1 $34.18
    • 10 $32.57
    • 100 $28.57
    • 1000 $27.14
    • 10000 $27.14
    Buy Now
    Analog Devices Inc DS1220AB-100IND+ 682
    • 1 $33.99
    • 10 $33.99
    • 100 $33.99
    • 1000 $15.34
    • 10000 $15.34
    Buy Now

    Analog Devices Inc DS1220AB-150IND+

    NVRAM NVSRAM Parallel 16Kbit 5V 24-Pin EDIP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical DS1220AB-150IND+ 448 28
    • 1 -
    • 10 -
    • 100 $19.51
    • 1000 $19.51
    • 10000 $19.51
    Buy Now
    Mouser Electronics DS1220AB-150IND+ 25
    • 1 $36.11
    • 10 $33.25
    • 100 $31.50
    • 1000 $28.52
    • 10000 $28.52
    Buy Now
    Analog Devices Inc DS1220AB-150IND+ 516
    • 1 $34.90
    • 10 $34.90
    • 100 $34.90
    • 1000 $15.77
    • 10000 $15.77
    Buy Now

    DS1220 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    2816 eeprom

    Abstract: eeprom 2816 1220AD AB-100 DS1220 DS1220AB DS1220AD 1220AB 2716 eeprom A6022-3
    Contextual Info: DS1220AB/AD 16k Nonvolatile SRAM !• DALLAS nr m m im m m m m t com PIN A S S IG N M E N T FEATU R ES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 10 years minimum data retention in the absence of external power Data is automatically protected during power


    OCR Scan
    ds1220ab/ad24-pinds1220adds1220ab+104s1220jtr-720-mil2816 eepromeeprom 28161220adab-100ds12201220ab2716 eeproma6022-3 PDF

    2816 eeprom

    Abstract: eeprom 2816 2716 eprom RAM 2816 DS1220Y dallas 2716 eeprom 2716 2k eprom retention 2816 eprom sram 2k x 8 eeprom 2716
    Contextual Info: DS1220Y DALLAS SEMICONDUCTOR DS1220Y 16K Nonvolatile SRAM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of externa! power 1 24 Aö 2 23 A5 3 22 A4 4 21 A3 5 20 A2 6 19 A1 7 18 A0 8 17 • Read and write access times as fast as 100 ns


    OCR Scan
    ds1220y24-pin2816 eepromeeprom 2816+82716 epromram 2816ds1220y dallas2716 eeprom2716 2k eprom retention2816 epromsram 2k x 8eeprom 2716 PDF

    CI EEPROM 2816

    Abstract: eeprom 2816 DS1220Y-200IND 2716 IC DATA SHEET 2816 eeprom how to read Maxim date code DS1220Y DS1220Y-100 DS1220Y-100IND DS1220Y-120
    Contextual Info: Not Recommended for New Design DS1220Y 16k Nonvolatile SRAM www.maxim-ic.com FEATURES § § § § § § § § § PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220y24-pin100ns120ns+10150nsci eeprom 2816eeprom 2816ds1220y-200ind2716 ic data sheet2816 eepromhow to read maxim date codeds1220y-100ds1220y-100indds1220y-120 PDF

    CI EEPROM 2816

    Abstract: CI EPROM 2816 DS1220Y DS1220Y-100 DS1220Y-120 DS1220Y-150 DS1220Y-200 DS1220Y dallas am/2816 eprom
    Contextual Info: D S 1220Y DALLAS SEMICONDUCTOR DS1220Y 16K Nonvolatile SRAM PIN ASSIGNMENT FEATURES • Data retention in the absence of Vcc • Data is automatically protected during power loss • Directly replaces 2K x 8 volatile static RAM or EEPROM A7 1 1 24 1 V cc A6


    OCR Scan
    ds1220y24-pin100ns120ns+11150ns200ns720milci eeprom 2816ci eprom 2816ds1220y-100ds1220y-120ds1220y-150ds1220y-200ds1220y dallasam/2816 eprom PDF

    2816 eeprom

    Abstract: EEPROM 2816 CMOS DS1220Y DS1220Y-100 DS1220Y-120 DS1220Y-150 DS1220Y-200 CI EEPROM 2816
    Contextual Info: Not Recommended for New Design DS1220Y 16k Nonvolatile SRAM www.maxim-ic.com FEATURES § § § § § § § § § PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220y24-pin24-ons100pf+8720-mil2816 eepromeeprom 2816 cmosds1220y-100ds1220y-120ds1220y-150ds1220y-200ci eeprom 2816 PDF

    2816 eeprom

    Abstract: CI EEPROM 2816 DS1220Y-120 DS1220Y DS1220Y-100 DS1220Y-150 DS1220Y-200 2716 eprom
    Contextual Info: Not Recommended for New Design DS1220Y 16k Nonvolatile SRAM www.maxim-ic.com FEATURES § § § § § § § § § PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220y24-pin24-ons100pf+8720-mil2816 eepromci eeprom 2816ds1220y-120ds1220y-100ds1220y-150ds1220y-2002716 eprom PDF

    Contextual Info: Not Recommended for New Design DS1220Y 16k Nonvolatile SRAM www.maxim-ic.com FEATURES ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220y24-pin720-mila0-a10+2100ns120ns PDF

    DS1220

    Abstract: DS1220AB DS1220AB-100 DS1220AB-120 DS1220AD DS1220AD-100 DS1220AD-120 ICC01 2716 eprom
    Contextual Info: DS1220AB/AD 16k Nonvolatile SRAM www.maxim-ic.com FEATURES § § § § § § § § § § § PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220ab/ad24-pinds1220adds1220ab+9100ns120nsds1220ds1220ab-100ds1220ab-120ds1220ad-100ds1220ad-120icc012716 eprom PDF

    1220Y

    Abstract: DS1220
    Contextual Info: DS1220Y DALLAS SEM ICONDUCTOR FEATURES DS1220Y 16K Nonvolatile SRAM PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power • Datais automatically protected during power loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    ds1220y24-pina0-a101220y+1ds1220 PDF

    Contextual Info: DS1220AB/AD DALLAS SEMICONDUCTOR D S1220A B /A D 16K Nonvolatile SRAM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power A7 1 ' 24 1 Vcc • Data is automatically protected during power loss A6 • 23 1 A8 A5 1 3 22 1


    OCR Scan
    ds1220ab/ads1220a24-pinun297 PDF

    Contextual Info: DS1220AB/AD DALLAS SEMICONDUCTOR DS1220AB/AD 16K Nonvolatile SRAM PIN ASSIGNMENT FEATURES • Data retention in the absence of V qc • Data is automatically protected during power loss 24 1 Vcc A6 1 2 23 1 A8 A4 1 4 CM CM CO A5 •1 • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    ds1220ab/ad24-pinvcc112bmi30 PDF

    Contextual Info: DALLAS SEMICONDUCTOR DS1220Y 16K Nonvolatile SR AM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power A7 | 1 • Data is automatically protected during power loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    24-pinds1220yas1220xtjr-jss PDF

    2816 eeprom

    Abstract: eeprom 2816 CI EEPROM 2816 DSI220Y DS1220Y-200 DALLAS 2816 eprom RAM 2816 DS1220 DS1220Y DS1220Y-100
    Contextual Info: !• DALLAS n r mmimmmmm DS1220Y 16k Nonvolatile SRAM t com PIN ASSIGNMENT FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    OCR Scan
    24-pinds1220yds1220dsi220y+8720-mil2816 eepromeeprom 2816ci eeprom 2816ds1220y-200 dallas2816 epromram 2816ds1220y-100 PDF

    EEPROM 2816 CMOS

    Abstract: DS1220 DS1220AB DS1220AB-100 DS1220AB-120 DS1220AD ICC01
    Contextual Info: DS1220AB/AD 16k Nonvolatile SRAM www.dalsemi.com FEATURES PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM or EEPROM Unlimited write cycles


    Original
    ds1220ab/ad24-pinds1220adds1220ab+6720-mileeprom 2816 cmosds1220ds1220ab-100ds1220ab-120icc01 PDF

    Contextual Info: DS1220AB/AD 16k Nonvolatile SRAM www.maxim-ic.com FEATURES ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220ab/ad24-pinds1220adds1220ab+2100ns120ns PDF

    2816 eeprom

    Abstract: CI EEPROM 2816 eeprom 2816 RAM 2816 2816 eprom DS1220Y DS1220Y-100 DS1220Y-120 DS1220Y-150 DS1220Y-200
    Contextual Info: DS 1220Y DALLAS SEMICONDUCTOR FEATURES DS1220Y 16K N onvolatile SRAM PIN ASSIGNMENT • 10 years minimum data retention in the absence of external power A7 1 < • Data is automatically protected during power loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    ds1220y24-pin2bl413d2bl4130+92816 eepromci eeprom 2816eeprom 2816ram 28162816 epromds1220y-100ds1220y-120ds1220y-150ds1220y-200 PDF

    CI EEPROM 2816

    Abstract: 2816 eeprom eeprom 2816 dallas date code DS1220AD DS1220AB DS1220AD 2716 EPROM DS1220Y dallas d6122
    Contextual Info: DS1220AB/AD DALLAS SEMICONDUCTOR CORP 50E D • DALLAS SEMICONDUCTOR Ebl413D 000Mb34 b I DS1220AB/AD 16K Nonvolatile SRAM 7^ FEATURES PIN ASSIGNMENT • Data retention in the absence of Vcc • Data is automatically protected during power loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    ds1220ab/adebl413d000mb3424-pin+14100ns120ns150ns200nsds1220yci eeprom 28162816 eepromeeprom 2816dallas date code ds1220adds1220abds1220ad2716 epromds1220y dallasd6122 PDF

    CI EEPROM 2816

    Abstract: eeprom 2816 2816 eprom EEPROM 2816 CMOS 2816 eeprom DS1220Y-200 DALLAS DS1220 DS1220Y DS1220Y-100 DS1220Y-120
    Contextual Info: DS1220Y DS1220Y 16K Nonvolatile SRAM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of A7 1 24 VCC • Data is automatically protected during power loss A6 2 23 A8 • Directly A5 3 22 A9 A4 4 21 WE A3 5 20 OE A10 external power


    Original
    ds1220y24-pinci eeprom 2816eeprom 2816+72816 epromeeprom 2816 cmos2816 eepromds1220y-200 dallasds1220ds1220y-100ds1220y-120 PDF

    2716 eprom

    Abstract: 2816 eeprom eeprom 2816 2716 eprom datasheet CI EEPROM 2816 eprom 2716 RAM 2816 2816 eprom DS1220 icc01
    Contextual Info: DS1220AB/AD DS1220AB/AD 16K Nonvolatile SRAM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of A7 1 24 VCC • Data is automatically protected during power loss A6 2 23 A8 • Directly A5 3 22 A9 A4 4 21 WE A3 5 20 OE A10 external power


    Original
    ds1220ab/ad24-pin2716 eprom2816 eeprom+8eeprom 28162716 eprom datasheetci eeprom 2816eprom 2716ram 28162816 epromds1220icc01 PDF

    DS1220

    Abstract: DS1220Y DS1220Y-100 DS1220Y-120 DS1220Y-150 DS1220Y-200 DS1220Y dallas
    Contextual Info: DS1220Y DS1220Y 16K Nonvolatile SRAM FEATURES PIN ASSIGNMENT • 10 years minimum data retention in the absence of A7 1 24 VCC • Data is automatically protected during power loss A6 2 23 A8 • Directly A5 3 22 A9 A4 4 21 WE A3 5 20 OE A10 external power


    Original
    ds1220yds1220ds1220y-100ds1220y-120+3ds1220y-150ds1220y-200ds1220y dallas PDF

    dallas 1220y

    Abstract: 1220Y
    Contextual Info: D S 1220Y DALLAS SEMICONDUCTOR FEATURES DS1220Y 16K Nonvolatile SRAM PIN A S S I G N M E N T • 10 years m inimum data retention in the absence of external power • Data is autom atically protected during power loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    1220yds1220y24-pindallas 1220y PDF

    DS1220

    Abstract: DS1220AB DS1220AB-100 DS1220AB-100IND DS1220AD DS1220AD-100 ICC01
    Contextual Info: 19-5580; Rev 10/10 DS1220AB/AD 16k Nonvolatile SRAM www.maxim-ic.com FEATURES • •          PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM


    Original
    ds1220ab/ad24-pinds1220adds1220ab+6mdt24ds1220ds1220ab-100ds1220ab-100indds1220ad-100icc01 PDF

    2816 eeprom

    Abstract: CI EEPROM 2816 DS1220AB-100 DS1220AD DS1220AB DS1220AB-120 DS1220AB-150 DS1220AD-100 DS1220AD-120 ICC01
    Contextual Info: DS1220AB/AD 16k Nonvolatile SRAM FEATURES ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ PIN ASSIGNMENT 10 years minimum data retention in the absence of external power Data is automatically protected during power loss Directly replaces 2k x 8 volatile static RAM or EEPROM


    Original
    ds1220ab/ad24-pinds1220adds1220ab+10100ns120ns2816 eepromci eeprom 2816ds1220ab-100ds1220ab-120ds1220ab-150ds1220ad-100ds1220ad-120icc01 PDF

    2816 eeprom

    Abstract: CI EEPROM 2816 DS1220 DS1220AB DS1220AB-100 DS1220AD DS1220AD-100 DS1220AD-120 DS1220AD-150 DS1220AD-200
    Contextual Info: DS1 220 A B /A D DALLAS DS1220AB/AD 16K Nonvolatile SRAM s e m ic o n d u c t o r FEATURES PIN ASSIGNMENT • 10 years m inim um data retention in the absence of external power • Data is autom atically protected during pow er loss • Directly replaces 2K x 8 volatile static RAM or


    OCR Scan
    ds1220ab/ad24-pinds1220adds1220ab+9e99151ds12202816 eepromci eeprom 2816ds1220ab-100ds1220ad-100ds1220ad-120ds1220ad-150ds1220ad-200 PDF