The manufacturer is 'Rochester Electronics'

    • Mounting Type
    • Type
    • Interface
    • Moisture Sensitivity Level (MSL)
    • Package / Case
    • Packaging
    • Part Status
    • RoHS Status
    • Time Format
    • Voltage - Supply
    • Operating Temperature
    • Features
    • All Manufacturers:

      Rochester Electronics

    Image

    Part Number

    Manufacturer

    Datasheet

    Availability

    Pricing(USD)

    Quantity

    RoHS

    Mounting Type

    Package / Case

    Surface Mount

    Supplier Device Package

    Operating Temperature

    Packaging

    JESD-609 Code

    Pbfree Code

    Part Status

    Moisture Sensitivity Level (MSL)

    Number of Terminations

    Type

    Terminal Finish

    Additional Feature

    Voltage - Supply

    Terminal Position

    Peak Reflow Temperature (Cel)

    Number of Functions

    Supply Voltage

    Terminal Pitch

    Reach Compliance Code

    Time@Peak Reflow Temperature-Max (s)

    Pin Count

    JESD-30 Code

    Qualification Status

    Supply Voltage-Max (Vsup)

    Supply Voltage-Min (Vsup)

    Number of Channels

    Interface

    Memory Size

    Adjustable Threshold

    Clock Frequency

    External Data Bus Width

    Number of Timers

    Time Format

    Date Format

    Current - Timekeeping (Max)

    Voltage - Supply, Battery

    Information Access Method

    Features

    Height Seated (Max)

    Length

    Width

    RoHS Status

    DS1557WP-120

    Mfr Part No

    DS1557WP-120

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    34-PowerCap™ Module

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    34

    Clock/Calendar

    TIN LEAD

    2.97V~3.63V

    DUAL

    240

    3.3V

    NOT SPECIFIED

    34

    R-XDMA-U34

    COMMERCIAL

    Parallel

    512KB

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    4mA @ 3.3V

    3V

    Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

    Non-RoHS Compliant

    DS1744P-70

    Mfr Part No

    DS1744P-70

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    34-PowerCap™ Module

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    28

    Clock/Calendar

    TIN LEAD

    A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

    4.5V~5.5V

    DUAL

    240

    5V

    NOT SPECIFIED

    28

    R-XDMA-U28

    COMMERCIAL

    Parallel

    32KB

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    4mA @ 5V

    3V

    Leap Year, NVSRAM, Y2K

    Non-RoHS Compliant

    DS1248WP-120

    Mfr Part No

    DS1248WP-120

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    34-PowerCap™ Module

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    34

    Phantom Time Chip

    TIN LEAD

    2.97V~3.63V

    DUAL

    240

    3.3V

    unknown

    NOT SPECIFIED

    34

    R-XDMA-U34

    COMMERCIAL

    Parallel

    128KB

    8.3MHz

    8

    HH:MM:SS:hh (12/24 hr)

    YY-MM-DD-dd

    7mA @ 3.3V

    3V

    NVSRAM

    Non-RoHS Compliant

    DS1553WP-150

    Mfr Part No

    DS1553WP-150

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    34-PowerCap™ Module

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    34

    Clock/Calendar

    TIN LEAD

    A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED

    2.97V~3.63V

    DUAL

    240

    3.3V

    NOT SPECIFIED

    34

    R-XDMA-U34

    COMMERCIAL

    Parallel

    8KB

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    2mA @ 3.3V

    3V

    Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

    Non-RoHS Compliant

    DS17285S-3NT

    Mfr Part No

    DS17285S-3NT

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    24-SOIC (0.295, 7.50mm Width)

    YES

    -40°C~85°C

    Tape & Reel (TR)

    e0

    no

    Obsolete

    3 (168 Hours)

    24

    Clock/Calendar

    TIN LEAD

    2.7V~3.7V

    DUAL

    245

    3V

    1.27mm

    NOT SPECIFIED

    24

    R-PDSO-G24

    COMMERCIAL

    Parallel

    2KB

    0.032MHz

    8

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    2mA @ 2.7V~3.7V

    2.5V~3.7V

    Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

    2.67mm

    17.9mm

    7.5mm

    Non-RoHS Compliant

    DS1553W-120

    Mfr Part No

    DS1553W-120

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Through Hole

    28-DIP Module (0.600, 15.24mm)

    NO

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    28

    Clock/Calendar

    TIN LEAD

    2.97V~3.63V

    DUAL

    240

    3.3V

    2.54mm

    NOT SPECIFIED

    28

    R-PDIP-P28

    COMMERCIAL

    Parallel

    8KB

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    2mA @ 3.3V

    Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

    9.398mm

    38.862mm

    15.24mm

    Non-RoHS Compliant

    DS17885E-3

    Mfr Part No

    DS17885E-3

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    28-TSSOP (0.465, 11.80mm Width)

    YES

    0°C~70°C

    Tray

    e0

    no

    Obsolete

    3 (168 Hours)

    28

    Real Time Clock (RTC)

    TIN LEAD

    3V

    DUAL

    240

    3V

    0.55mm

    20

    28

    R-PDSO-G28

    COMMERCIAL

    Multiplexed

    8K

    0.032MHz

    8

    1

    HH:MM:SS

    YYYY-MM-DD

    PARALLEL, MUXED BUS

    1.2mm

    11.8mm

    8mm

    Non-RoHS Compliant

    DS1685S-3

    Mfr Part No

    DS1685S-3

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    24-SOIC (0.295, 7.50mm Width)

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    3 (168 Hours)

    24

    Clock/Calendar

    TIN LEAD

    2.7V~3.7V

    DUAL

    245

    3V

    1.27mm

    NOT SPECIFIED

    24

    R-PDSO-G24

    COMMERCIAL

    Parallel

    242B

    0.032MHz

    8

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    2mA @ 3V

    2.5V~3.7V

    Alarm, NVSRAM, Square Wave Output, Y2K

    2.65mm

    15.4mm

    7.5mm

    Non-RoHS Compliant

    X1228V14I-4.5A

    Mfr Part No

    X1228V14I-4.5A

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    14-TSSOP (0.173, 4.40mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    14

    Clock/Calendar

    TIN LEAD

    2.7V~5.5V

    DUAL

    240

    5V

    0.65mm

    30

    14

    R-PDSO-G14

    COMMERCIAL

    I2C, 2-Wire Serial

    0.032MHz

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    10μA~20μA @ 2.7V~5V

    1.8V~5.5V

    I2C

    Alarm, Leap Year, Supervisor, Watchdog Timer

    1.2mm

    5mm

    4.4mm

    Non-RoHS Compliant

    DS1558W

    Mfr Part No

    DS1558W

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    48-LQFP

    YES

    -40°C~85°C

    Tray

    e0

    no

    Obsolete

    3 (168 Hours)

    48

    Clock/Calendar

    TIN LEAD

    2.97V~3.63V

    QUAD

    245

    3.3V

    0.5mm

    unknown

    NOT SPECIFIED

    48

    S-PQFP-G48

    COMMERCIAL

    Parallel

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    2mA @ 3.3V

    2.5V~3.7V

    Alarm, Leap Year, Watchdog Timer, Y2K

    1.2mm

    7mm

    7mm

    Non-RoHS Compliant

    DS1554-70

    Mfr Part No

    DS1554-70

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Through Hole

    32-DIP Module (0.600, 15.24mm)

    NO

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    32

    Clock/Calendar

    TIN LEAD

    IT CAN ALSO OPERATE WITH 5V

    4.5V~5.5V

    DUAL

    240

    5V

    2.54mm

    NOT SPECIFIED

    32

    R-PDIP-P32

    COMMERCIAL

    Parallel

    32KB

    0.032MHz

    8

    HH:MM:SS (24 hr)

    YY-MM-DD-dd

    6mA @ 5V

    Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

    9.27mm

    38.675mm

    15.24mm

    Non-RoHS Compliant

    X1288S16-4.5A

    Mfr Part No

    X1288S16-4.5A

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    16-SOIC (0.295, 7.50mm Width)

    YES

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    16

    Clock/Calendar

    TIN LEAD

    4.5V~5.5V

    DUAL

    240

    5V

    1.27mm

    NOT SPECIFIED

    16

    R-PDSO-G16

    COMMERCIAL

    I2C, 2-Wire Serial

    0.032MHz

    1

    HH:MM:SS:hh (12/24 hr)

    YY-MM-DD-dd

    10μA~20μA @ 2.7V~5V

    1.8V~5.5V

    I2C

    Alarm, Leap Year, Supervisor, Watchdog Timer

    2.65mm

    10.3mm

    7.5mm

    Non-RoHS Compliant

    DS1685-3

    Mfr Part No

    DS1685-3

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Through Hole

    24-DIP (0.600, 15.24mm)

    NO

    0°C~70°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    24

    Clock/Calendar

    TIN LEAD

    2.7V~3.7V

    DUAL

    240

    3V

    2.54mm

    20

    24

    R-PDIP-T24

    COMMERCIAL

    Parallel

    242B

    0.032MHz

    8

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    2mA @ 3V

    2.5V~3.7V

    Alarm, NVSRAM, Square Wave Output, Y2K

    5.08mm

    31.75mm

    15.24mm

    Non-RoHS Compliant

    DS1337

    Mfr Part No

    DS1337

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Through Hole

    8-DIP (0.300, 7.62mm)

    NO

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    8

    Clock/Calendar

    TIN LEAD

    1.8V~5.5V

    DUAL

    240

    3.3V

    2.54mm

    unknown

    20

    8

    R-PDIP-T8

    COMMERCIAL

    I2C, 2-Wire Serial

    0.032MHz

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    0.6μA @ 1.3V~1.8V

    I2C

    Alarm, Leap Year, Square Wave Output

    4.572mm

    9.375mm

    7.62mm

    Non-RoHS Compliant

    ISL1208IU8

    Mfr Part No

    ISL1208IU8

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    8

    Clock/Calendar

    TIN LEAD

    2.7V~5.5V

    DUAL

    240

    3V

    0.65mm

    30

    8

    S-PDSO-G8

    COMMERCIAL

    I2C, 2-Wire Serial

    2B

    0.032MHz

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    4μA~6μA @ 3V~5V

    1.8V~5.5V

    I2C

    Alarm, Leap Year, SRAM

    1.1mm

    3mm

    3mm

    Non-RoHS Compliant

    DS1338U-33

    Mfr Part No

    DS1338U-33

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    8

    Clock/Calendar

    TIN LEAD

    3V~5.5V

    DUAL

    240

    3.3V

    0.65mm

    20

    8

    S-PDSO-G8

    COMMERCIAL

    I2C, 2-Wire Serial

    56B

    0.032MHz

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    125μA~200μA @ 3.63V~5.5V

    1.3V~3.7V

    I2C

    Leap Year, NVSRAM, Square Wave Output

    1.1mm

    3mm

    3mm

    Non-RoHS Compliant

    DS1338Z-33

    Mfr Part No

    DS1338Z-33

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    8-SOIC (0.154, 3.90mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    8

    Clock/Calendar

    TIN LEAD

    3V~5.5V

    DUAL

    245

    3.3V

    1.27mm

    NOT SPECIFIED

    8

    R-PDSO-G8

    COMMERCIAL

    I2C, 2-Wire Serial

    56B

    0.032MHz

    1

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    125μA~200μA @ 3.63V~5.5V

    1.3V~3.7V

    I2C

    Leap Year, NVSRAM, Square Wave Output

    1.75mm

    4.9mm

    3.9mm

    Non-RoHS Compliant

    DS1374U-33

    Mfr Part No

    DS1374U-33

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    10

    Binary Counter

    TIN LEAD

    2.97V~5.5V

    DUAL

    240

    1

    3.3V

    0.5mm

    unknown

    20

    10

    S-PDSO-G10

    5.5V

    2.97V

    1

    I2C, 2-Wire Serial

    NO

    Binary

    175μA @ 2.97V~5.5V

    1.3V~5.5V

    Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer

    1.1mm

    3mm

    3mm

    Non-RoHS Compliant

    DS1318

    Mfr Part No

    DS1318

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    24-TSSOP (0.173, 4.40mm Width)

    YES

    -40°C~85°C

    Tube

    e0

    no

    Obsolete

    1 (Unlimited)

    24

    Elapsed Time Counter

    TIN LEAD

    3V~3.6V

    DUAL

    240

    3.3V

    0.65mm

    20

    24

    R-PDSO-G24

    COMMERCIAL

    Parallel

    0.032MHz

    8

    1

    Binary

    150μA @ 3V~3.6V

    1.6V~3.7V

    Alarm, Square Wave Output

    1.1mm

    7.8mm

    4.4mm

    Non-RoHS Compliant

    BQ3285LFSS-A1TR

    Mfr Part No

    BQ3285LFSS-A1TR

    Rochester Electronics, LLC Datasheet

    -

    -

    Min: 1

    Mult: 1

    Surface Mount

    24-SSOP (0.154, 3.90mm Width)

    24-SSOP/QSOP

    0°C~70°C

    Tape & Reel (TR)

    Obsolete

    2 (1 Year)

    Clock/Calendar

    2.7V~5.5V

    Parallel

    242B

    HH:MM:SS (12/24 hr)

    YY-MM-DD-dd

    100μA @ 3V

    2.4V~4V

    Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

    ROHS3 Compliant