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Clock/Timing - Real Time Clocks 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.
Manufacturer Part No
SKU
Description
Manufacturer
PDF
Price
35-231132-CDP68HC68T1M96
SERIAL RTC WITH RAM
Intersil
35-231133-V3022SO28A+
VERY LOW POWER 8-BIT 32KHZ RTC M
EM Microelectronic
35-231134-V3025SO28A+
VERY LOW POWER 8-BIT 32KHZ RTC M
EM Microelectronic
35-231135-CDP68HC68T1M
SERIAL RTC WITH RAM
Intersil
35-231136-LV8571AN
RTC, VOLATILE, 2 TIMER(S)
National Semiconductor
35-231137-DP8573AVX
REAL TIME CLOCK, VOLATILE, 0 TIM
National Semiconductor
35-231138-DS1386P-8-120
RAMIFIED WATCHDOG TIMEKEEPER
Dallas Semiconductor
35-231139-DP8573AV
REAL TIME CLOCK, VOLATILE, 0 TIM
National Semiconductor
35-231140-DS1248Y-120
1024K NV SRAM & PHANTOM CLOCK
Analog Devices Inc./Maxim Integrated
35-231141-DP8570AVX
REAL TIME CLOCK, VOLATILE, 2 TIM
National Semiconductor
35-231142-M48T35Y-70PC1
IC RTC CLK/CALENDAR PAR 28DIP
STMicroelectronics
35-231143-DP8570AV
REAL TIME CLOCK, VOLATILE, 2 TIM
National Semiconductor
35-231144-BU9873FVT-GE2
IC RTC CLK/CALENDAR I2C 8TSSOP
Rohm Semiconductor
35-231145-BQ4852YMC-85
RTC, NON-VOLATILE
Benchmarq
35-231147-BU9873FJ-GTE2
IC RTC CLK/CALENDAR I2C SOP8J
Rohm Semiconductor
35-231150-PCF85263AUKZ
IC RTC/CAL ALM I2C WLCSP
NXP USA Inc.
35-231151-S-35390A-I8T1U
IC RTC CLK/CALENDAR I2C SNT-8A
ABLIC U.S.A. Inc.
35-231152-CDP68HC68T1E
SERIAL RTC WITH RAM
Intersil
35-231153-S-35390A-J8T1U
IC RTC CLK/CALENDAR I2C 8SOP
ABLIC U.S.A. Inc.
35-231155-BU9873FVM-GTTR
IC RTC CLK/CALENDAR I2C 8MSOP
Rohm Semiconductor