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 |
|---|---|---|---|---|---|
ECS-RTC-SOP8-5101A-TRReal Time Clocks ICs | ECS Inc. International | IC RTC CLOCK/CALENDAR I2C 8SOP | 2140 | 1+: $0.91520 10+: $0.64944 25+: $0.55440
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ECS-RTC-3225-5699C3-TRReal Time Clocks ICs | ECS Inc. International | IC RTC CLK/CALENDAR I2C 10SMD | 4247 | 1+: $4.50560 10+: $3.43288 25+: $3.16554
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RX4901CE XB D06Real Time Clocks ICs | Epson | IC RTC CLK/CALENDAR SPI 10SMD | 2150 | 1+: $3.78400 10+: $2.86616 25+: $2.63754
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RX4901CE XS B06Real Time Clocks ICs | Epson | IC RTC CLK/CALENDAR SPI 10SMD | 2172 | 1+: $5.06000 10+: $3.87200 25+: $3.57597
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RX8901CE XB A06Real Time Clocks ICs | Epson | IC RTC CLK/CALENDAR I2C 10SMD | 1270 | 1+: $3.78400 10+: $2.86616 25+: $2.63754
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PCF85063AT/AYReal Time Clocks ICs | NXP Semiconductors | PCF85063AT - Tiny Real-Time Cloc | 45006 | 1+: $0.80080 10+: $0.57640 25+: $0.51920
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RTT21064Real Time Clocks ICs | Raltron | XTAL OSC RTC 32.768KHZ SMD | En stock | 1+: $6.84640 10+: $4.57688 25+: $3.98534
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PCF85053ATKJReal Time Clocks ICs | NXP Semiconductors | IC CPU RTC I2C SOT2413-1 | 8858 | 1+: $1.24960 10+: $0.91168 25+: $0.82650
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PCF8523TS/1,118Real Time Clocks ICs | NXP Semiconductors | IC RTC CLK/CALENDAR I2C 14TSSOP | 24531 | 1+: $1.39040 10+: $1.01640 25+: $0.92294
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ISL12058IRTZReal Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR I2C 8TDFN | 2911 | 1+: $2.04160 10+: $1.52064 25+: $1.39075
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MCP79512T-I/MNReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 10TDFN | En stock | 3300+: $1.07361 | |
MCP795B20-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14TSSOP | En stock | 288+: $1.56065 | |
PCF8564AU/10AB/1,0Real Time Clocks ICs | NXP Semiconductors | IC RTC CLOCK/CALENDAR I2C DIE | En stock | 33890+: $0.40126 | |
MCP79412T-I/MNYReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR I2C 8TDFN | 2942 | 1+: $1.08240 25+: $0.99440 100+: $0.94160
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MAX6910EO30+TReal Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLK/CAL/SUPER I2C 20QSOP | En stock | 2500+: $4.18000 | |
MCP795B22T-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | En stock | 2600+: $1.38600 | |
PCF8563T/F4,118Real Time Clocks ICs | NXP Semiconductors | IC RTC CLOCK/CALENDAR I2C 8SO | 1423 | 1+: $1.39040 10+: $1.01728 25+: $0.92400
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X1227S8T1Real Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR I2C 8SOIC | En stock | 2500+: $3.67430 | |
PCF85063ATL/1,118Real Time Clocks ICs | NXP Semiconductors | IC RTC CLK/CALENDAR I2C 10DFN | 23543 | 1+: $0.63360 10+: $0.45144 25+: $0.40515
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MCP79412-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR I2C 8TSSOP | 892 | 1+: $1.03840 25+: $0.95040 100+: $0.90640 | |
CDP68HC68T1M2Z96Real Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR SPI 16SOIC | En stock | 1000+: $12.88111 | |
X1227S8IZ-2.7AT1Real Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR I2C 8SOIC | En stock | 2500+: $3.83606 | |
1339D-31DVGIReal Time Clocks ICs | Renesas Electronics Corporation | 1339D-31 REAL TIME CLOCK | 105 | 1+: $2.43760 10+: $1.82072 96+: $1.49967 | |
ISL12024IBZ-TReal Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR I2C 8SOIC | 1269 | 1+: $4.40880 10+: $3.35632 25+: $3.09443
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ISL12057IUZ-TReal Time Clocks ICs | Renesas Electronics Corporation | IC RTC CLK/CALENDAR I2C 8MSOP | 4260 | 1+: $2.40240 10+: $1.78904 25+: $1.63645
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