Datasheets
DS1339U-2+T&R by:

Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, MICRO, SOP-8

Part Details for DS1339U-2+T&R by Maxim Integrated Products

Results Overview of DS1339U-2+T&R by Maxim Integrated Products

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Applications Aerospace and Defense

DS1339U-2+T&R Information

DS1339U-2+T&R by Maxim Integrated Products 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 DS1339U-2+T&R

Part # Distributor Description Stock Price Buy
DISTI # DS1339U-2+T&R-ND
DigiKey IC RTC CLOCK/CALENDAR I2C 8UMAX Min Qty: 3000 Lead time: 23 Weeks Container: Tape & Reel (TR) Temporarily Out of Stock
  • 3,000 $3.1618
$3.1618 Buy Now

Part Details for DS1339U-2+T&R

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DS1339U-2+T&R Part Data Attributes

DS1339U-2+T&R Maxim Integrated Products
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DS1339U-2+T&R Maxim Integrated Products Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, MICRO, SOP-8
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer MAXIM INTEGRATED PRODUCTS INC
Part Package Code SOIC
Package Description MICRO, SOP-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Clock Frequency-Max 0.032 MHz
External Data Bus Width
Information Access Method SERIAL(I2C)
Interrupt Capability Y
JESD-30 Code S-PDSO-G8
JESD-609 Code e3
Length 3 mm
Moisture Sensitivity Level 1
Number of Terminals 8
Number of Timers
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code TSSOP
Package Equivalence Code TSSOP8,.19
Package Shape SQUARE
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 1.8 V
Supply Voltage-Nom 2 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time-Min SECONDS
Time@Peak Reflow Temperature-Max (s) 30
Volatile NO
Width 3 mm
uPs/uCs/Peripheral ICs Type TIMER, REAL TIME CLOCK

Alternate Parts for DS1339U-2+T&R

This table gives cross-reference parts and alternative options found for DS1339U-2+T&R. 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 DS1339U-2+T&R, 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
DS1339U-2+T&R Analog Devices Inc Check for Price I2C Serial Real-Time Clock, 8-MINI_SO-N/A, 8 Pins, -40 to 85C DS1339U-2+T&R vs DS1339U-2+T&R
DS1339C-2+ Maxim Integrated Products Check for Price 1 TIMER(S), REAL TIME CLOCK, PDSO16, 0.300 INCH, LEAD FREE, SOP-16 DS1339U-2+T&R vs DS1339C-2+
DS1339U-2+ Maxim Integrated Products Check for Price Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, ROHS COMPLIANT, MICRO, SOP-8 DS1339U-2+T&R vs DS1339U-2+
Part Number Manufacturer Composite Price Description Compare
DS1339U-33+T&R Maxim Integrated Products $3.3844 Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, LEAD FREE, MICRO, SOP-8 DS1339U-2+T&R vs DS1339U-33+T&R
DS1339C-2 Maxim Integrated Products Check for Price Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOP-16 DS1339U-2+T&R vs DS1339C-2
ISL12029IV30AZ Renesas Electronics Corporation Check for Price Real Time Clock DS1339U-2+T&R vs ISL12029IV30AZ
DS1339C-33+ Maxim Integrated Products Check for Price 1 TIMER(S), REAL TIME CLOCK, PDSO16, 0.300 INCH, LEAD FREE, SOP-16 DS1339U-2+T&R vs DS1339C-33+
1338BC-31SRI Integrated Device Technology Inc Check for Price Real Time Clock, Non-Volatile, 1 Timer(s), PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16 DS1339U-2+T&R vs 1338BC-31SRI
DS1339U-3+T&R Maxim Integrated Products Check for Price Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, LEAD FREE, MICRO, SOP-8 DS1339U-2+T&R vs DS1339U-3+T&R
1338BC-31SRI8 Integrated Device Technology Inc Check for Price Real Time Clock, Non-Volatile, 1 Timer(s), PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16 DS1339U-2+T&R vs 1338BC-31SRI8
1338C-31SRI Integrated Device Technology Inc Check for Price SOIC-16, Tube DS1339U-2+T&R vs 1338C-31SRI
DS3231S# Analog Devices Inc Check for Price Extremely Accurate I2C-Integrated RTC/TCXO/Crystal, 16-SOIC_W-300_MIL, 16 Pins, 0 to 70C DS1339U-2+T&R vs DS3231S#
DS1339U-3+/T&R Maxim Integrated Products Check for Price 1 TIMER(S), REAL TIME CLOCK, PDSO8, MICRO, SOP-8 DS1339U-2+T&R vs DS1339U-3+/T&R

DS1339U-2+T&R Frequently Asked Questions (FAQ)

  • The recommended crystal oscillator frequency for the DS1339U-2+T&R is 32.768 kHz, which is a standard frequency for real-time clocks.

  • The DS1339U-2+T&R has an internal switchover circuit that automatically switches to the backup battery during power failure, ensuring continuous operation of the real-time clock.

  • The typical current consumption of the DS1339U-2+T&R in battery-backed mode is around 1.5 μA, making it suitable for battery-powered applications.

  • Yes, the DS1339U-2+T&R is designed to provide high accuracy and stability, with a typical accuracy of ±2 minutes per year and a temperature range of -40°C to +85°C.

  • The DS1339U-2+T&R automatically corrects for leap years, ensuring that the clock remains accurate and up-to-date.

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