Real Time Clock – Mouser Philippines

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Real Time Clocks for Thermostats

Real Time Clocks (RTCs) are IC devices that keep track of time. A typical RTC can provide the time of day as well as the date via a serial bus such as I2C or SPI

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Larawan	# ng Piyesa	Mfr.	Paglalarawan	Datasheet	Availability	Pagpepresyo (PHP) I-filter ang mga resulta sa talahanayan ayon sa unit price batay sa iyong dami.	Dami	Uri ng Interface	Format ng Petsa	Format ng Oras	Package / Case	Paglipat sa Backup na Baterya	Supply Voltage - Min	Supply Voltage - Max	Minimum na Operating Temperature	Maximum na Operating Temperature	Series	Isitilo ng Mounting	Packaging
Real Time Clock I C Serial Real-Time Clock DS1339U-3+ Analog Devices / Maxim Integrated 1: ₱237.42 1,309May Stock	Mfr. # ng Piyesa DS1339U-3+ # ng Piyesa ng Mouser 700-DS1339U-3	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Alamin Pa ang tungkol sa Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	1,309May Stock	₱237.42 ₱232.52 ₱227.00 ₱222.70 Tingnan ₱219.02 ₱215.95 ₱212.88	Min.: 1 Mult.: 1 Max.: 1,047	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 64B SRAM MCP7940N-I/MS Microchip Technology 1: ₱55.22 2,005May Stock	Mfr. # ng Piyesa MCP7940N-I/MS # ng Piyesa ng Mouser 579-MCP7940N-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Alamin Pa ang tungkol sa Microchip Technology microchip mcp7940n calendar	Datasheet	2,005May Stock	₱55.22 ₱50.92 ₱50.37	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 64B SRAM MCP7940N-I/ST Microchip Technology 1: ₱55.22 67May Stock 500Inaasahan 10/27/2026	Mfr. # ng Piyesa MCP7940N-I/ST # ng Piyesa ng Mouser 579-MCP7940N-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Alamin Pa ang tungkol sa Microchip Technology microchip mcp7940n calendar	Datasheet	67May Stock 500Inaasahan 10/27/2026	₱55.22 ₱50.92 ₱49.08	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/MS Microchip Technology 1: ₱66.26 247May Stock 1,400Inaasahan 11/2/2026	Mfr. # ng Piyesa MCP79410-I/MS # ng Piyesa ng Mouser 579-MCP79410-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Alamin Pa ang tungkol sa Microchip Technology microchip mcp794xx calendars	Datasheet	247May Stock 1,400Inaasahan 11/2/2026	₱66.26 ₱61.96 ₱60.61	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/ST Microchip Technology 1: ₱66.26 657May Stock	Mfr. # ng Piyesa MCP79410-I/ST # ng Piyesa ng Mouser 579-MCP79410-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Alamin Pa ang tungkol sa Microchip Technology microchip mcp794xx calendars	Datasheet	657May Stock	₱66.26 ₱61.96 ₱60.61	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-33+ Analog Devices / Maxim Integrated 1: ₱382.21 350May Stock	Mfr. # ng Piyesa DS1338U-33+ # ng Piyesa ng Mouser 700-DS1338U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	350May Stock	₱382.21 ₱312.27 ₱265.03 ₱261.96 ₱249.08	Min.: 1 Mult.: 1 Max.: 328	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338U	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1339U-33+ Analog Devices / Maxim Integrated 1: ₱431.90 816May Stock	Mfr. # ng Piyesa DS1339U-33+ # ng Piyesa ng Mouser 700-DS1339U-33	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Alamin Pa ang tungkol sa Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	816May Stock	₱431.90 ₱331.29 ₱280.98 ₱277.92 Tingnan ₱264.42 ₱256.44	Min.: 1 Mult.: 1 Max.: 652	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Tube
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: ₱476.69 23May Stock 1,350Inoorder	Mfr. # ng Piyesa M41ST87WSS6F # ng Piyesa ng Mouser 511-M41ST87WSS6F	STMicroelectronics	Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc	Datasheet	23May Stock 1,350Inoorder	Cut Tape ₱476.69 ₱368.10 ₱340.49 ₱311.04 Reel ₱266.87 Tingnan ₱292.03 ₱291.41 ₱253.38 Available ang MouseReel	Min.: 1 Mult.: 1 : 1,350	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-20	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST87W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: ₱116.57 383May Stock 15,000Inoorder	Mfr. # ng Piyesa PCF8563TS/5,118 # ng Piyesa ng Mouser 771-PCF8563TS/5118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.	Datasheet	383May Stock 15,000Inoorder Sa Mga Petsa ng Pagpapadala ng Order Mfr. #: PCF8563TS/5,118 Stock: 383 Maaaring Ipadala Agad Inoorder: 7,500 Inaasahan 10/23/2026 7,500 Inaasahan 10/28/2026 Lead-Time ng Pabrika: 27 (na) Linggo	Cut Tape ₱116.57 ₱85.89 ₱78.53 ₱69.94 Tingnan Reel ₱57.55 ₱65.64 ₱63.80 ₱63.19 ₱57.55 Available ang MouseReel	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	No Backup Switching	1 V	5.5 V	- 40 C	+ 85 C	PCF8563	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR BQ4802LYPW Texas Instruments 1: ₱619.02 Lead-Time 26 (na) Linggo End of Life	Mfr. # ng Piyesa BQ4802LYPW # ng Piyesa ng Mouser 595-BQ4802LYPW End of Life	Texas Instruments	Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR	Datasheet	Lead-Time 26 (na) Linggo	₱619.02 ₱500.00 ₱424.54 ₱384.66 Tingnan ₱381.60 ₱374.85 ₱368.10 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-28	Backup Switching	2.7 V	3.6 V	0 C	+ 70 C	BQ4802LY	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1337U+ Analog Devices / Maxim Integrated 1: ₱307.98 308May Stock	Mfr. # ng Piyesa DS1337U+ # ng Piyesa ng Mouser 700-DS1337U	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Alamin Pa ang tungkol sa Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	308May Stock	₱307.98 ₱232.52 ₱212.88 ₱192.03	Min.: 1 Mult.: 1 Max.: 246	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337U	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-33+ Analog Devices / Maxim Integrated 1: ₱407.36 119May Stock	Mfr. # ng Piyesa DS1340U-33+ # ng Piyesa ng Mouser 700-DS1340U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Alamin Pa ang tungkol sa Analog Devices / Maxim Integrated maximds1343	Datasheet	119May Stock	₱407.36 ₱312.27 ₱285.89	Min.: 1 Mult.: 1 Max.: 95	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Tube

Real Time Clocks for Thermostats

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