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Maxim Integrated DS1305E+

Part Number:

DS1305E+

Manufacturer:

Maxim Integrated

Ventron No:

3003732-DS1305E+

Description:

IC RTC CLK/CALENDAR SPI 20-TSSOP

ECAD Model:

Datasheet:

DS1305E+

Payment:

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Delivery:

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Reference Price ( In US Dollars )

Pricing

Qty

Unit Price

Ext Price

  • 1

    $4.2677

    $4.27

  • 200

    $1.6527

    $330.54

  • 500

    $1.5938

    $796.90

  • 1000

    $1.5660

    $1566.00

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Part Overview

Description
The DS1305 is an integrated serial alarm real-time clock (RTC) that manages all timekeeping functions. It counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100. Additionally, it features a 96-byte, battery-backed NV RAM for data storage.

Features
Real-time clock with leap-year compensation
96-byte, battery-backed NV RAM
Two time-of-day alarms
Standard serial port interfaces (SPI or 3-wire)
Burst mode for reading/writing successive addresses
Multiple power supply pins for primary and backup power
Optional trickle charge output to backup supply
2.0V to 5.5V operation
20-pin TSSOP package
Optional industrial temperature range (-40°C to 85°C)
UL recognized

Applications
Timekeeping in embedded systems
Data logging
Alarm systems
Industrial control
Medical devices
Consumer electronics

Specifications

Maxim Integrated DS1305E+ technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1305E+.

  • Factory Lead Time
    6 Weeks
  • Contact Plating
    Tin
  • Mount
    Surface Mount
  • Mounting Type

    Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include: * Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side. * Surface-mount: Component is placed on the surface of the PCB and soldered in place. * Press-fit: Component is pressed into place on the PCB without soldering. * Socket: Component is inserted into a socket on the PCB, allowing for easy replacement. The mounting type is determined by factors such as the component's size, shape, and power requirements.

    Surface Mount
  • Package / Case

    Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.

    20-TSSOP (0.173, 4.40mm Width)
  • Number of Pins

    Number of Pins: Indicates the number of electrical connections available on the component. These pins are used to connect the component to other components or circuits on a printed circuit board (PCB). The number of pins determines the functionality and connectivity options of the component. It is important to ensure that the component has the correct number of pins for the intended application.

    20
  • Weight
    190.990737mg
  • Operating Temperature

    Operating Temperature is the range of temperatures at which an electronic component can function properly. It is typically specified in degrees Celsius (°C) and indicates the minimum and maximum temperatures at which the component can operate without experiencing damage or degradation. Operating Temperature is an important parameter to consider when designing electronic circuits, as it ensures that the components will function reliably in the intended operating environment.

    0°C~70°C
  • Packaging
    Tube
  • Published
    2002
  • JESD-609 Code
    e3
  • Feature
    Alarm, Leap Year, NVSRAM, Trickle-Charger
  • Pbfree Code
    yes
  • Part Status

    Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

    1 (Unlimited)
  • Number of Terminations
    20
  • ECCN Code
    EAR99
  • Subcategory
    Timer or RTC
  • Technology

    Technology, in the context of electronic components, refers to the specific manufacturing process and materials used to create the component. It encompasses the semiconductor fabrication techniques, such as the type of transistor used (e.g., MOSFET, BJT), the gate oxide thickness, and the interconnect materials. Technology also includes the packaging type, such as surface mount or through-hole, and the leadframe or substrate material. The technology used impacts the component's performance characteristics, such as speed, power consumption, and reliability.

    CMOS
  • Voltage - Supply
    2V~5.5V
  • Terminal Position
    DUAL
  • Peak Reflow Temperature (Cel)
    260
  • Supply Voltage

    Supply Voltage is the voltage required to power an electronic component. It is typically measured in volts (V) and is specified in the component's datasheet. The supply voltage must be within the specified range for the component to function properly. If the supply voltage is too low, the component may not function at all. If the supply voltage is too high, the component may be damaged.

    5V
  • Terminal Pitch
    0.65mm
  • Frequency

    Frequency, in the context of electronic components, refers to the rate at which an alternating current or voltage changes direction per second. It is measured in Hertz (Hz), which represents one cycle per second. Frequency is a crucial parameter for various electronic components, such as capacitors, inductors, and resonators. It determines the component's ability to store or release energy, filter signals, and resonate at specific frequencies. Understanding the frequency characteristics of electronic components is essential for designing and optimizing electronic circuits.

    32.8kHz
  • Reflow Temperature-Max (s)
    30
  • Base Part Number
    DS1305
  • Pin Count
    20
  • Number of Outputs

    Number of Outputs refers to the number of independent output signals or channels that an electronic component can provide. It indicates the capability of the component to drive multiple external devices or circuits simultaneously. A higher number of outputs allows for greater flexibility and connectivity in electronic systems.

    1
  • Voltage
    5V
  • Interface

    In electronics, an interface refers to the connection point or boundary between two or more electronic systems or devices. It defines the physical, electrical, and logical characteristics that enable communication and data exchange between them. An interface specifies the protocols, pinouts, voltage levels, data formats, and other parameters necessary for the systems to interact seamlessly. It ensures compatibility and interoperability between different components or devices, allowing them to exchange information and perform their intended functions.

    SPI
  • Memory Size
    96B
  • Logic Function
    Clock
  • Time Format

    Time Format is an electronic component parameter that specifies the format of the time data that is output by the component. The most common time formats are 24-hour format and 12-hour format. 24-hour format displays the time in hours and minutes, with the hours ranging from 00 to 23. 12-hour format displays the time in hours, minutes, and seconds, with the hours ranging from 01 to 12 and an AM or PM designation.

    HH:MM:SS (12/24 hr)
  • Date Format

    Date Format is an electronic component parameter that specifies the format in which the date is displayed on the component. This parameter is typically used for components that have a built-in clock or calendar, such as digital watches, clocks, and computers. The Date Format parameter can be set to a variety of different formats, such as MM/DD/YY, DD/MM/YY, and YYYY/MM/DD.

    YY-MM-DD-dd
  • Current - Timekeeping (Max)
    25.3μA~81μA @ 2V~5V
  • Time-Min
    SECONDS
  • Interrupt Capability
    Y
  • Voltage - Supply, Battery
    2V~5.5V
  • Volatile
    YES
  • Information Access Method
    SERIAL, 3-WIRE
  • Height

    Height, in the context of electronic components, refers to the vertical dimension of the component. It is typically measured in millimeters (mm) or inches (in). Height is an important parameter to consider when designing and assembling electronic circuits, as it affects the overall size and form factor of the device. Components with a smaller height are often preferred for applications where space is limited, such as in portable devices or embedded systems.

    900μm
  • Length

    Length, in the context of electronic components, refers to the physical dimension of a component along its longest axis. It is typically measured in millimeters (mm) or inches (in). Length is a crucial parameter for determining the physical size and space requirements of a component on a printed circuit board (PCB) or other assembly. It also affects the component's electrical characteristics, such as inductance and capacitance, which can be influenced by the length of conductors or traces within the component.

    6.5mm
  • Width
    4.4mm
  • Radiation Hardening
    No
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free

Certification

  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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