Los relojes en tiempo real (RTC) proporcionan información de hora y/o fecha en casi cualquier dispositivo electrónico que necesite mantener la hora exacta. Los tipos de reloj son contador binario, reloj/calendario/supervisor, contador de tiempo transcurrido, chip de tiempo fantasma, controlador de sistema portátil, registrador de temperatura, registrador de eventos de tiempo y periférico de reloj temporizador. Contienen tamaños de memoria que van desde 2 B a 2 MB y tienen opciones de interfaz de I2C, paralelo, serie, SPI, 1 cable, 2 cables, 3 cables y 4 cables.
| Parte # | Fabricante | Descripción | Disponibilidad | Precios | Cantidad |
|---|---|---|---|---|---|
DS17885EN-3+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLK/CALENDAR PAR 28TSOP | En stock | 234+: $11.60641 | |
DS17885SN-3+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLK/CALENDAR PAR 24SOIC | En stock | 30+: $25.17475 | |
DS1341U+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 264 | 1+: $3.89840 10+: $2.95856 50+: $2.58174
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DS1341U+T&RReal Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 5129 | 1+: $3.44960 10+: $2.60392 25+: $2.39325
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DS1342U+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 236 | 1+: $3.89840 10+: $2.95856 50+: $2.58174
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DS1342U+T&RReal Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 7227 | 1+: $3.44960 10+: $2.60392 25+: $2.39325
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M41T01M6FReal Time Clocks ICs | STMicroelectronics | Serial real-time clock (RTC) with built-in battery switchover circuit | 22 | 1+: $5.28172 10+: $4.54115 30+: $4.10228 | |
PT7C4337UEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8MSOP | 783 | 1+: $0.98560 10+: $0.70840 25+: $0.64064
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PT7C4337ZEEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8TDFN | En stock | 3000+: $0.48418 6000+: $0.47315 9000+: $0.46762
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PT7C433833UEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8MSOP | 81 | 10+: $0.86951 30+: $0.77852 100+: $0.67561
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PT7C43390LEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8MSOP | 2117 | 1+: $1.33760 10+: $0.97504 25+: $0.88458
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PT7C4372ALEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8TSSOP | 2690 | 10+: $0.52972 30+: $0.49372 100+: $0.45428
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PT7C433833AZEEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8TDFN | En stock | 3000+: $0.60379 6000+: $0.57093 9000+: $0.55436
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PT7C4337ACSEReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 16SOIC | En stock | 1+: $7.55920 10+: $5.20432 25+: $4.59606
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PT7C4337BLEXReal Time Clocks ICs | Diodes Incorporated | IC REAL TIME CLK TSSOP T&R 2.5K | En stock | 2500+: $0.54528 5000+: $0.51363 7500+: $0.49768
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PT7C4337BUEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CAL I2C 8MSOP TR 2.5K | En stock | 2500+: $0.49554 5000+: $0.46605 7500+: $0.45117
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PT7C4337BWEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CAL I2C 8SOIC TR 2.5K | En stock | 2500+: $0.46248 5000+: $0.43445 7500+: $0.42031
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PT7C4337BZEEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CAL I2C 8TDFN T&R | En stock | 3000+: $0.49957 6000+: $0.47096 9000+: $0.45654
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PT7C4363BWEXReal Time Clocks ICs | Diodes Incorporated | IC RTC I2C SER 8SOIC T&R 2.5K | En stock | 2500+: $0.52386 5000+: $0.49313 7500+: $0.47764
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PT7C4563BLEXReal Time Clocks ICs | Diodes Incorporated | IC RTC I2C SER 8TSSOP T&R 2.5K | En stock | 2500+: $0.42915 5000+: $0.40264 7500+: $0.38926
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PT7C4563BUEXReal Time Clocks ICs | Diodes Incorporated | IC RTC I2C SER 8MSOP T&R 2.5K | En stock | 2500+: $0.38972 5000+: $0.36503 7500+: $0.35258
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PT7C4563BWEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CAL I2C 8SOIC TR 2.5K | En stock | 1+: $1.26720 2500+: $0.35100 5000+: $0.32817
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PT7C4563BZEEXReal Time Clocks ICs | Diodes Incorporated | IC RTC I2C/2-WIRE SER 8TDFN T&R | En stock | 3000+: $0.58177 6000+: $0.54979 9000+: $0.53366
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PT7C4363BZEEXReal Time Clocks ICs | Diodes Incorporated | IC RTC CLK/CALENDAR I2C 8TDFN | En stock | 1+: $2.01520 3000+: $0.60379 6000+: $0.57093
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ISL12029IB27ZReal Time Clocks ICs | Intersil | IC RTC CLK/CALENDAR I2C 14-SOIC | 6559 | 70+: $3.77520 |