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— IC芯片 | 连接器 | 传感器 | 被动器件 —

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral. They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
| STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Tape & Reel (TR),Cut Tape (CT) | 28-SOH | Surface Mount | - | 0°C ~ 70°C | |
![]() M48T86PC1 $4.05 | STMicroelectronics | IC RTC CLK/CALENDAR PAR 24-DIP | Tube | 24-PCDIP, CAPHAT® | Through Hole | - | 0°C ~ 70°C |
![]() MAX31328NELB+ $5.48 | Analog Devices Inc./Maxim Integrated | IC RTC CLK/CALENDAR I2C 10LGA | Tray | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C |
![]() MAX31328NELB+T $5.48 | Analog Devices Inc./Maxim Integrated | INTEGRATED DS3231SN W/ NDK CRYST | Tape & Reel (TR),Cut Tape (CT) | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C (TA) |
![]() MAX31329ELB+ $4.54 | Analog Devices Inc./Maxim Integrated | IC RTC CLK/CALENDAR I2C 10LGA | Tray | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C |
![]() MAX31329ELB+T $4.54 | Analog Devices Inc./Maxim Integrated | INTEGRATED RC17 W/ QST CRYSTAL | Tape & Reel (TR),Cut Tape (CT) | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C |
![]() MAX31329NELB+ $4.54 | Analog Devices Inc./Maxim Integrated | INTEGRATED RC17 W/ NDK CRYSTAL | Tray | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C |
![]() MAX31329NELB+T $1.66 | Analog Devices Inc./Maxim Integrated | INTEGRATED RC17 W/ NDK CRYSTAL | Tape & Reel (TR) | 10-LGA (5x5) | Surface Mount | - | -40°C ~ 85°C |