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Microcontrollers and Processors / Timers or RTCs / DS1339U-33+
Datasheets
DS1339U-33+ by:

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

Part Details for DS1339U-33+ by Maxim Integrated Products

Results Overview of DS1339U-33+ by Maxim Integrated Products

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Aerospace and Defense

DS1339U-33+ Information

DS1339U-33+ 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-33+

Part # Distributor Description Stock Price Buy
DISTI # 81Y9055
Newark Real-Time Clock, I2C, Usop-8, Date Format:Day, Date, Month, Year, Clock Format:Hh:Mm:Ss, Clock Ic Type:Rtc, Supply Voltage Min:2.97V, Supply Voltage Max:5.5V, Clock Ic Case Style:Μsop, No. Of Pins:8Pins, Ic Interface Type:I2C, Msl:- Rohs Compliant: Yes |Maxim Integrated/analog Devices DS1339U-33+ RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 1257
  • 1 $6.1000
  • 10 $4.3800
  • 25 $4.1500
  • 50 $3.9300
  • 100 $3.7000
  • 250 $3.3700
  • 500 $3.1700
$3.1700 / $6.1000 Buy Now
Bristol Electronics   1359
RFQ
Bristol Electronics   Min Qty: 2 300
  • 2 $4.2560
  • 7 $2.7664
  • 20 $2.1280
  • 60 $1.9863
  • 127 $1.8441
  • 259 $1.7450
$1.7450 / $4.2560 Buy Now
Win Source Electronics IC RTC CLK/CALENDAR I2C 8-USOP 45890
  • 70 $0.7422
  • 145 $0.6944
  • 225 $0.6704
  • 325 $0.6225
  • 420 $0.5986
  • 525 $0.5747
$0.5747 / $0.7422 Buy Now

Part Details for DS1339U-33+

DS1339U-33+ CAD Models

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DS1339U-33+ Part Data Attributes

Parametric Data
DS1339U-33+ Maxim Integrated Products
Buy Now Datasheet
Compare Parts:
DS1339U-33+ Maxim Integrated Products Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, ROHS COMPLIANT, 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 ROHS COMPLIANT, 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 2.97 V
Supply Voltage-Nom 3.3 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-33+

This table gives cross-reference parts and alternative options found for DS1339U-33+. 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-33+, 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-33+ Analog Devices Inc $2.1277 I2C Serial Real-Time Clock, 8-MINI_SO-N/A, 8 Pins, -40 to 85C DS1339U-33+ vs DS1339U-33+
DS1339U-33+T&R Analog Devices Inc Check for Price I2C Serial Real-Time Clock, 8-MINI_SO-N/A, 8 Pins, -40 to 85C DS1339U-33+ vs DS1339U-33+T&R
Part Number Manufacturer Composite Price Description Compare
DS1339U-33/T&R Maxim Integrated Products Check for Price Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO8, MICRO, SOP-8 DS1339U-33+ vs DS1339U-33/T&R
DS3231SN Maxim Integrated Products Check for Price Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOIC-16 DS1339U-33+ vs DS3231SN
DS3231S#T&R Maxim Integrated Products $7.1570 Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16 DS1339U-33+ vs DS3231S#T&R
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-33+ vs 1338BC-31SRI
DS1339C-33#T&R Maxim Integrated Products Check for Price Real Time Clock, 1 Timer(s), CMOS, PDSO16, SOP-16 DS1339U-33+ vs DS1339C-33#T&R
ISL12029IV30AZ Renesas Electronics Corporation Check for Price Real Time Clock DS1339U-33+ 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-33+ vs DS1339C-33+
1339AC-31SRGI8 Integrated Device Technology Inc Check for Price SOIC-16, Reel DS1339U-33+ vs 1339AC-31SRGI8
DS1339C-2+ Maxim Integrated Products Check for Price 1 TIMER(S), REAL TIME CLOCK, PDSO16, 0.300 INCH, LEAD FREE, SOP-16 DS1339U-33+ vs DS1339C-2+
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-33+ vs DS3231S#

DS1339U-33+ Related Parts

DS1339U-33+ Frequently Asked Questions (FAQ)

  • The recommended power-up sequence is to apply VCC first, followed by a valid clock signal, and then the reset signal (RST) can be released.

  • To ensure accuracy, use a high-quality crystal oscillator, keep the crystal and surrounding components away from noise sources, and use a decoupling capacitor between VCC and GND.

  • The maximum frequency deviation is ±100 ppm over the operating temperature range of -40°C to +85°C.

  • Yes, the DS1339U-33+ can be used with a battery-backed clock. The device has a battery switch-over feature that allows it to automatically switch to a backup battery when the main power supply fails.

  • The clock calendar can be programmed using the I2C interface. The device has a set of registers that can be written to set the time, date, and alarm settings.

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