Real Time Clocks (results: 193)
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Time format
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RAM memory
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DS1394U-33+
Clock/Calendar/Alarm, SPI Serial Int. Mode 0&4, Tr.Charge, 2.97÷3.63V, -40÷85°C
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In stock:
1 pcs. |
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Packaging: 2 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (12/24 hr) | RTC | SPI | Maxim | 2,97V~5,5V | -40°C ~ 85°C | |||||||||||||||
In stock:
7 pcs. |
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Packaging: 7 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (12/24 hr) | RTC | SPI | Maxim | 2,97V~5,5V | -40°C ~ 85°C | |||||||||||||||
DS1670E+ Maxim
RTC, 3-Wire Serial, 2.97÷3.63V, 0÷70°C
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Manufacturer:
Maxim Manufacturer part number: DS1670E RoHS Case style: TSSOP20 |
In stock:
10 pcs. |
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Packaging: 10 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | 3-Wire Serial | Maxim | 2,97V~3,63V | 0°C ~ 70°C | |||||||||||||||
DS1672-33+ Maxim
RTC, I2C, 2-Wire Serial, 2.97÷3.63V, -40÷85°C
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Manufacturer:
Dallas Manufacturer part number: DS1672-33+ RoHS Case style: PDIP08 |
In stock:
11 pcs. |
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Packaging: 11 Quantity (multiple 1) |
Binary | Binary | RTC | I2C; 2-Wire Serial | Maxim | 2,97V~3,63V | -40°C ~ 85°C | |||||||||||||||
DS1685S-3+
Clock/Calendar/Alarm, Multiplexed Add/Data Bus, Vlow Det., 242B RAM, 2.7÷3.7V
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In stock:
9 pcs. |
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Stock availableWhile the stock lasts
Packaging: 9 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | Parallel | Maxim | 2,7V~3,7V | 0°C ~ 70°C | |||||||||||||||
In stock:
62 pcs. |
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Stock availableWhile the stock lasts
Packaging: 31 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | Parallel | Maxim | 2,7V~3,7V | 0°C ~ 70°C | |||||||||||||||
DS3232MZ+ Maxim
Clock/Calendar/Alarm; I2C 400kHz; 32,768kHz Cr, Vlow Det.; 2,3V~4,5V, -40°C~85°C;
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In stock:
10 pcs. |
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Packaging: 10 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | Maxim | 236B | 2,3V~4,5V | -40°C ~ 85°C | |||||||||||||
HT1381
Serial Timekeeper Chip
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In stock:
60 pcs. |
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Packaging: 80 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | 2,000MHz | RTC | HOLTEK | 2V~5,5V | 0°C ~ 70°C | |||||||||||||||
M41ST87YMX6/M41ST87YMX6TR
CLOCK/CALENDAR/SUPERVISOR, 160B, 4.5V-5.5V, -40/+85'C
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In stock:
8 pcs. |
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Packaging: 10 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | RTC | I2C; 2-Wire Serial | STM | 128B | 4,5V~5,5V | -40°C ~ 85°C | ||||||||||||||
M41T00M6E
Clock/Calendar, Serial Interface 100kHz, Vlow Detection, 2.0÷5.5V, -40÷85°C RoHS alternative: M41T00M6F
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In stock:
80 pcs. |
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Packaging: 100 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS | 100,000kHz | RTC | I2C; 2-Wire Serial | STM | 2V~5,5V | -40°C ~ 85°C | ||||||||||||||
M41T80M6E
Clock/Calendar/Alarm, Serial Interface 100kHz, Vlow Detection, 2.0÷5.5V, -40÷85°
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In stock:
40 pcs. |
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Packaging: 550 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | 100,000kHz | RTC | I2C; 2-Wire Serial | STM | 2V~5,5V | -40°C ~ 85°C | ||||||||||||||
M41T94MH6F
Clock/Calendar/Alarm/WDG, Ser. Int. 2MHz, 32.768kHz Cr, Vlow Det., 44B NV RAM 2.7-5.5V, -40÷85°C
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In stock:
4 pcs. |
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Packaging: 4 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | 2,000MHz | RTC | SPI | STM | 44B | 2,7V~5,5V | -40°C ~ 85°C | |||||||||||||
M48T08-150PC1
RTC, SRAM 64Kbit (8k x 8bit) 150ns, 32.768kHz Cr, Vlow Det., 4.75÷5.5V, 0÷70°C
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In stock:
2 pcs. |
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Packaging: 2 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (24 hr) | RTC | Parallel | STM | 64kB | 4,75V~5,5V | 0°C ~ 70°C | ||||||||||||||
M48T08Y10MH1F STM
5 V, 64 Kbit (8 Kb x 8) TIMEKEEPERR SRAM
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In stock:
2 pcs. |
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Packaging: 2 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (24 hr) | RTC | Parallel | STM | 64kB | 4,5V~5,5V | 0°C ~ 70°C | ||||||||||||||
M48Z02-150PC1
RTC; SRAM 16Kbit (2k x 8bit) 150ns; Vlow Det.; 80mA; 4,75V~5,5V; 0°C~70°C;
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In stock:
3 pcs. |
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Packaging: 14 Quantity (multiple 1) |
PCDIP24 | YY-MM-DD-dd | HH:MM:SS (24 hr) | RTC | Parallel | STM | 16kB | 4,75V~5,5V | 0°C ~ 70°C | |||||||||||||
M48Z08-100PC1
RTC; SRAM 64Kbit (8k x 8bit) 100ns; Vlow Det.; 80mA; 4,75V~5,5V; 0°C~70°C; Substitute: M48Z08-100PC;
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In stock:
4 pcs. |
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Packaging: 4 Quantity (multiple 1) |
PCDIP28 | YY-MM-DD-dd | HH:MM:SS (24 hr) | RTC | Parallel | STM | 64kB | 4,75V~5,5V | 0°C ~ 70°C | |||||||||||||
MCP79410-I/SN
Clock/Calendar/Alarm; I2C; Vlow Detection; 64B SRAM; 1kB EE; 1,8~5,5V; -40°C~85°C; Substitute: MCP79410T-I/SN;
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In stock:
91 pcs. |
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Packaging: 100 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | I2C; 2-Wire Serial | Microchip Technology | 64B | 1,8V~5,5V | -40°C ~ 85°C | |||||||||||||
MCP79411-I/SN Microchip
Clock/Calendar/Alarm, 64B SRAM, 1.8÷5.5V, -40÷85°C
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In stock:
150 pcs. |
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Packaging: 100/300 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | I2C; 2-Wire Serial | Microchip Technology | 64B | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
MCP795W22-I/ST Microchip
Clock/Calendar, SPI, 1.8÷3.6V, -40÷85°C
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In stock:
3 pcs. |
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Packaging: 3 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS:hh (12/24 hr) | RTC | SPI | Microchip Technology | 64B | 1,8V~3,6V | -40°C ~ 85°C | ||||||||||||||
PCA21125T/Q900/1,1 NXP
Clock/Calendar, SPI, 1.6÷5.5V, -40÷125°C
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In stock:
10 pcs. |
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Packaging: 210 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | SPI | NXP | 1,6V~5,5V | -40°C ~ 125°C | |||||||||||||||
PCF85163T/1,518
Real-Time Clock and Calendar (RTC) Serial; 400 kbit/s; 32.768kHz; 50mA; 300mW; 400 kbit/s; 1,8V~5,5,V; -48°C~85°C; Substitute: PCF85163T/1; PCF85163T/1518;
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In stock:
25 pcs. |
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Packaging: 25 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 32,768kHz | RTC | Serial/I2C | NXP | 1,8V ~ 5,5V | -40°C ~ 85°C | |||||||||||||
In stock:
1220 pcs. |
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Packaging: 2500 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 32,768kHz | RTC | Serial/I2C | NXP | 1,8V ~ 5,5V | -40°C ~ 85°C | |||||||||||||
PCF8563P
Clock/Calendar/Timer/Alarm, I2C 400kHz, Vlow Detection, 1.8÷5.5V, -40÷85°C PCF8563P/F4 *obsolete*
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Manufacturer:
NXP Manufacturer part number: PCF8563P/F4 RoHS Case style: PDIP08 |
In stock:
100 pcs. |
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Packaging: 50/100 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
Manufacturer:
NXP Manufacturer part number: PCF8563P RoHS Case style: PDIP08 |
In stock:
70 pcs. |
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Packaging: 50/300 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
HT8563ARZ
Clock/Calendar/Timer/Alarm; I2C; Vlow detection; 400kHz; 1,8V~5,5V; -40°C ~ 85°C; Equivalent: PCF8563T; PCF8563T-SMD; PCF8563T/5,518; PCF8563T/F4,112; PCF8563T/F4,118;
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In stock:
25 pcs. |
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Stock availableWhile the stock lasts
Packaging: 30 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C | HTCSEMI | 0B | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||
PCF8563 SOP08 HXY MOSFET
Clock/Calendar/Timer/Alarm; I2C; Vlow detection; 400kHz; 2,5V~5,5V; -40°C ~ 85°C; Equivalent: PCF8563T; PCF8563T-SMD; PCF8563T/5,518; PCF8563T/F4,112; PCF8563T/F4,118;
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In stock:
175 pcs. |
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Packaging: 100 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C | HXY MOSFET | 0B | 2,5V~5,5V | -40°C ~ 85°C | ||||||||||||
JSM8563T JSMICRO
Clock/Calendar/Timer/Alarm; I2C; Vlow detection; 400kHz; 2,5V~5,5V; -40°C ~ 85°C; Equivalent: PCF8563T; PCF8563T-SMD; PCF8563T/5,518; PCF8563T/F4,112; PCF8563T/F4,118;
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In stock:
155 pcs. |
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Packaging: 200 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C | JSMICRO | 0B | 2,5V~5,5V | -40°C ~ 85°C | ||||||||||||
PCF8563T UMW
Clock/Calendar/Timer/Alarm; I2C; Vlow detection; 400kHz; 1,8V~5,5V; -40°C ~ 85°C; Equivalent: PCF8563T; PCF8563T-SMD; PCF8563T/5,518; PCF8563T/F4,112; PCF8563T/F4,118;
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In stock:
40 pcs. |
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Packaging: 200 Quantity (multiple 1) |
SOP08 | YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C | UMW | 0B | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||
PCF8563T/5,518
Clock/Calendar/Timer/Alarm; I2C 400kHz; Vlow Detection; 1.8÷5.5V; -40÷85°C; PCF8563T=PF85163; PCF8563T/5; PCF8563T-SMD; PCF8563T/5,518; PCF8563T/F4,118; (PC
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Manufacturer:
NXP Manufacturer part number: PCF8563T/5,518 RoHS Case style: SOP08t/r |
In stock:
7221 pcs. |
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Packaging: 2500 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
Manufacturer:
NXP Manufacturer part number: PCF8563T/5,518 Case style: SOP08 |
External warehouse:
7500 pcs. |
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Packaging: 2500 Minimum order amount must exceed 20 Euro. |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
Manufacturer:
NXP Manufacturer part number: PCF8563T/F4,118 Case style: SOP08 |
External warehouse:
2500 pcs. |
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Packaging: 2500 Minimum order amount must exceed 20 Euro. |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
Manufacturer:
NXP Manufacturer part number: PCF8563T/5,518 Case style: SOP08 |
External warehouse:
8440 pcs. |
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Packaging: 1 Minimum order amount must exceed 20 Euro. |
YY-MM-DD-dd | HH:MM:SS (24 hr) | 400kHz | RTC | I2C; 2-Wire Serial | NXP | 1,8V~5,5V | -40°C ~ 85°C | ||||||||||||||
PCF8583T/5,518
Clock/Calendar/Timer/Alarm; I2C 100kHz; 240B SRAM; 2.5÷6V; -40÷85°C; OBSOLETE; LTB:7-DEC-2023; LTS:7-DEC-2024; NEW->; End of life: PCF8583T/5,518; PCF8583T/5-GURT; PCF8583T/5,512; PCF8583T-SMD; PCF8583T/5.518; PCF8583T; in the other package/case: PCF85063AT/AY; PCF 8583 T SMD; PCF8583T/5518; GN1302;
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In stock:
1106 pcs. |
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Packaging: 1000 Quantity (multiple 1) |
YY-MM-DD | HH:MM:SS:hh (12/24 hr) | 100,000kHz | RTC | I2C; 2-Wire Serial | NXP | 240B | 2,5V~6V | -40°C ~ 85°C | |||||||||||||
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Item in delivery
Estimated time: 2025-05-19
Quantity of pieces: 1000
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RTC-72421A
Clock/Calendar, 4-bit Parallel Interface 120ns, +/-10 ppm, 4.5÷5.5V, -10÷70°C
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In stock:
50 pcs. |
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Packaging: 21 Quantity (multiple 1) |
YY-MM-DD-dd | HH:MM:SS (12/24 hr) | RTC | Parallel | EPSON | 4B | 4,5V~5,5V | -10°C ~ 70°C | ||||||||||||||
ISL1208IB8Z
Clock/Calendar/Alarm, I2C 400kHz, Vlow Detection, 2B RAM, 2.7÷5.5V, -40÷85°C
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Manufacturer:
Intersil Manufacturer part number: ISL1208IB8Z RoHS Case style: SOP08t/r |
In stock:
100 pcs. |
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Stock availableWhile the stock lasts
Packaging: 100 Quantity (multiple 1) |
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Manufacturer:
Infineon Manufacturer part number: ISL1208IB8Z RoHS Case style: SOIC08 |
In stock:
50 pcs. |
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Stock availableWhile the stock lasts
Packaging: 52 Quantity (multiple 1) |
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S35390A
RTC, I2S, 1.3÷5.5V, -40÷85°C
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In stock:
50 pcs. |
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Stock availableWhile the stock lasts
Packaging: 50 Quantity (multiple 1) |
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DS1672S-33+ Maxim
RTC, I2C, 2-Wire Serial, 2.97÷3.63V, -40÷85°C DS1672S-33+T&R
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In stock:
7 pcs. |
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Packaging: 10 Quantity (multiple 1) |
Real Time Clocks
Real time clocks are an essential component of modern digital and electronic systems, used wherever precision and signal synchronization are required. Their role in ensuring the stability and reliability of electronic devices cannot be overstated, and they are utilized in both industrial and consumer applications. Our offer includes a wide range of high-quality real time clocks, ideally suited for even the most demanding systems.
What are Real Time Clocks and What Are They Used For?
Real time clocks are electronic components responsible for generating and supplying clock signals, thus synchronizing the operation of various subsystems in digital systems. Their purpose is to ensure synchronization of all system parts (operating at the same time), which is essential in:
- processors,
- memory circuits,
- communication systems.
Real time clocks are used in telecommunications devices, computers, industrial systems, as well as modern IoT devices.
How Do Real Time Clocks Work?
The operation of real time clocks is based on generating regular electrical pulses that set the working pace for other components. Each clock pulse initiates specific operations, such as:
- data transmission,
- information processing,
- communication between different system elements.
With precise clock signals, it is possible to synchronize operations, thus preventing errors and data transmission interference. These systems play a crucial role in ensuring stable system operation, especially in applications requiring high reliability.
What Should Be Considered When Choosing Real Time Clocks?
When choosing real time clocks, you should pay attention to several key parameters that affect their performance and compatibility with other system components. These parameters include:
- frequency accuracy – precisely matched frequency is necessary to ensure coherent system operation;
- noise resistance – the resistance of the system to noise is critical in industrial environments and applications highly sensitive to electromagnetic interference;
- compatibility with other components – it is important that the real time clock is compatible with other system components to ensure smooth integration and operation.
The real time clocks we offer guarantee high quality, reliability, and stable operation across a wide range of applications. We invite you to explore our full offer, where you’ll find solutions ideal for your project.