HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial Clock/Calendar SOIC-8_150mil Real-time Clocks (RTC) ROHS #CommonPartsLibrary #IntegratedCircuit #Clock/Timing #RTC

SOIC-16_300mil Real-time Clocks (RTC) ROHS

Real Time Clock (RTC) IC Clock/Calendar 56B I²C, 2-Wire Serial 8-DIP (0.300", 7.62mm) #commonpartslibrary #integratedcircuit #rtc #calendar

Real Time Clock (RTC) IC Clock/Calendar 31B 3-Wire Serial 8-DIP (0.300", 7.62mm) #Timer #RTC #commonpartslibrary

DS3231 - Real Time Clock (RTC) Timing Evaluation Board #commonpartslibrary #DS3231 #rtc #evaluationboard

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 10-XFDFN Exposed Pad #commonpartslibrary #integratedcircuit #realtimeclock #calendar

ARM® Cortex® M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 64KB (64K x 8) FLASH Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces Arm® 32-bit Cortex®-M3 CPU core – 72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access – Single-cycle multiplication and hardware division • Memories – 64 or 128 Kbytes of Flash memory – 20 Kbytes of SRAM • Clock, reset and supply management – 2.0 to 3.6 V application supply and I/Os – POR, PDR, and programmable voltage detector (PVD) – 4 to 16 MHz crystal oscillator – Internal 8 MHz factory-trimmed RC – Internal 40 kHz RC – PLL for CPU clock – 32 kHz oscillator for RTC with calibration • Low-power – Sleep, Stop and Standby modes – VBAT supply for RTC and backup registers • 2x 12-bit, 1 µs A/D converters (up to 16 channels) – Conversion range: 0 to 3.6 V – Dual-sample and hold capability – Temperature sensor • DMA – 7-channel DMA controller – Peripherals supported: timers, ADC, SPIs, I 2Cs and USARTs • Up to 80 fast I/O ports – 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant Debug mode: – Serial wire debug (SWD) and JTAG interfaces • Seven timers – Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input – 16-bit, motor control PWM timer with dead-time generation and emergency stop – Two watchdog timers (independent and window) – SysTick timer 24-bit downcounter • Up to nine communication interfaces – Up to two I2C interfaces (SMBus/PMBus®) – Up to three USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) – Up to two SPIs (18 Mbit/s) – CAN interface (2.0B Active) – USB 2.0 full-speed interface • CRC calculation unit, 96-bit unique ID • Packages are ECOPACK #commonpartslibrary #integratedcircuit #microcontroller #stm32f1

Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width) #commonpartslibrary #integratedcircuit #realtimeclock #calendar

Real Time Clock (RTC) IC Clock/Calendar 64B I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width) #commonpartslibrary #integratedcircuit #realtimeclock #rtc