Datasheets
DS1305EN+ by:

Serial Alarm Real-Time Clock, 20-TSSOP_4.4-4.4_MM, 20 Pins, -40 to 85C

Part Details for DS1305EN+ by Analog Devices Inc

Results Overview of DS1305EN+ by Analog Devices Inc

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DS1305EN+ Information

DS1305EN+ by Analog Devices Inc is a Timer or RTC.
Timers or RTCs are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for DS1305EN+

Part # Distributor Description Stock Price Buy
DISTI # 700-DS1305EN
Mouser Electronics Real Time Clock Serial Alarm Real-Time Clock RoHS: Compliant 3748
  • 1 $9.3600
  • 10 $7.2900
  • 25 $6.5300
  • 74 $5.7300
$5.7300 / $9.3600 Buy Now
DISTI # V36:1790_26354342
Arrow Electronics Real Time Clock Serial 96byte Clock/Calendar/Alarm 20-Pin TSSOP Tube RoHS: Compliant Min Qty: 74 Package Multiple: 74 Lead time: 10 Weeks Date Code: 2407 Americas - 61
  • 74 $6.2710
  • 148 $6.0280
  • 296 $5.8090
  • 518 $5.6230
  • 1,036 $5.5030
  • 2,516 $4.9000
$4.9000 / $6.2710 Buy Now
Analog Devices Inc Serial Alarm Real-Time Clock Package Multiple: 1 5226
  • 1 $11.3300
  • 10 $7.2860
  • 1,000 $4.1000
$4.1000 / $11.3300 Buy Now
DISTI # 84438685
Verical Real Time Clock Serial 96byte Clock/Calendar/Alarm 20-Pin TSSOP Tube RoHS: Compliant Min Qty: 61 Package Multiple: 61 Date Code: 2407 Americas - 61
  • 61 $6.2710
  • 148 $6.0280
  • 296 $5.8090
  • 518 $5.6230
  • 1,036 $5.5030
  • 2,516 $4.9000
$4.9000 / $6.2710 Buy Now
DISTI # DS1305EN+
TME IC: RTC circuit, 3-wire,SPI, NV SRAM, 96BSRAM, TSSOP20, 2÷5.5V Min Qty: 1 160
  • 1 $5.5900
  • 3 $5.1500
  • 10 $4.5600
  • 25 $4.1200
$4.1200 / $5.5900 Buy Now

Part Details for DS1305EN+

DS1305EN+ CAD Models

DS1305EN+ Part Data Attributes

DS1305EN+ Analog Devices Inc
Buy Now Datasheet
Compare Parts:
DS1305EN+ Analog Devices Inc Serial Alarm Real-Time Clock, 20-TSSOP_4.4-4.4_MM, 20 Pins, -40 to 85C
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC
Part Package Code 20-TSSOP_4.4-4.4_MM
Package Description 0.173 INCH, ROHS COMPLIANT, TSSOP-20
Pin Count 20
Manufacturer Package Code 20-TSSOP_4.4-4.4_MM
Reach Compliance Code compliant
Date Of Intro 2002-06-12
Samacsys Manufacturer Analog Devices
Clock Frequency-Max 0.032 MHz
External Data Bus Width
Information Access Method SERIAL(SPI), SERIAL, 3-WIRE
Interrupt Capability Y
JESD-30 Code R-PDSO-G20
JESD-609 Code e3
Length 6.5 mm
Moisture Sensitivity Level 1
Number of Terminals 20
Number of Timers
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code TSSOP
Package Equivalence Code TSSOP20,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.1 mm
Supply Voltage-Max 5.5 V
Supply Voltage-Min 2 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time-Min SECONDS
Time@Peak Reflow Temperature-Max (s) 30
Volatile YES
Width 4.4 mm
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK

Alternate Parts for DS1305EN+

This table gives cross-reference parts and alternative options found for DS1305EN+. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of DS1305EN+, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
DS1305E+ Analog Devices Inc $2.8419 Serial Alarm Real-Time Clock, 20-TSSOP_4.4-4.4_MM, 20 Pins, 0 to 70C DS1305EN+ vs DS1305E+
DS1305E+ Maxim Integrated Products $4.4781 Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.173 INCH, ROHS COMPLIANT, TSSOP-20 DS1305EN+ vs DS1305E+
DS1305EN+ Maxim Integrated Products $6.8007 Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.173 INCH, ROHS COMPLIANT, TSSOP-20 DS1305EN+ vs DS1305EN+
DS1305E Maxim Integrated Products Check for Price Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.173 INCH, TSSOP-20 DS1305EN+ vs DS1305E
DS1305E Dallas Semiconductor Check for Price Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 4.40 MM, TSSOP-20 DS1305EN+ vs DS1305E
DS1305EN/T&R Maxim Integrated Products Check for Price Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.173 INCH, TSSOP-20 DS1305EN+ vs DS1305EN/T&R
DS1305E/T&R Maxim Integrated Products Check for Price Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.173 INCH, TSSOP-20 DS1305EN+ vs DS1305E/T&R

DS1305EN+ Related Parts

DS1305EN+ Frequently Asked Questions (FAQ)

  • The recommended crystal oscillator frequency for the DS1305EN+ is 32.768 kHz, which is a standard frequency for real-time clocks.

  • The DS1305EN+ has a built-in battery switchover circuit that automatically switches to the backup battery during power failures, ensuring that the clock continues to run and maintain its accuracy.

  • The maximum operating temperature range for the DS1305EN+ is -40°C to +85°C, making it suitable for use in a wide range of applications.

  • Yes, the DS1305EN+ can be used in a 5V system, but it requires an external voltage regulator to regulate the voltage to 3V, which is the maximum operating voltage for the device.

  • The DS1305EN+ clock has an accuracy of ±2 minutes per year at 25°C, making it suitable for most applications that require a high degree of accuracy.

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