Clocks, Timing & Frequency Management

: 35 Products Found

Clocks, Timing & Frequency Management

Discover our range of clocks, timing and frequency management ICs from trusted manufacturers. Whether you require a real-time clock (RTC) IC, or any of our timers, oscillators and pulse generators, you'll find it here. Shop RTC ICs today!

Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price Ex. VAT (Inc. VAT)	Quantity	Date Format	Clock Format	Clock IC Type	Supply Voltage Min	Supply Voltage Max	Clock IC Case Style	No. of Pins	IC Interface Type	Operating Temperature Min	Operating Temperature Max	Product Range	Automotive Qualification Standard
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DS1307+	SC19141 Data Sheet + RoHS	64 x 8, Serial, I2C Real Time Clock (RTC) , 4.5V to 5.5V, DIP-8 ANALOG DEVICES The DS1307+ is a 64 x 8, serial, I2C real-time clock (RTC) in 8 pin PDIP package. The serial RTC is a low power, full binary-coded decimal (BCD) clock/calendar plus 56bytes of NV SRAM. Address and data are transferred serially through an I2C, bidirectional... You previously purchased this product. View in Order History	Each	1+ £4.65 (£5.58) 10+ £4.18 (£5.02)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	4.5V	5.5V	DIP	8Pins	I2C, Serial	0°C	70°C	-	-
CD4541BE	SC19314 + RoHS	CMOS Programmable Timer High Voltage Types, 3V to 18V, DIP-14, 6MHz TEXAS INSTRUMENTS The CD4541BE is a high voltage type (20V rating) CMOS programmable timer in 14 pin DIP package. This programmable timer consists of 16 stage binary counter, an oscillator that is controlled by external RC components (2 resistors and capacitor), an automati... You previously purchased this product. View in Order History	Each	1+ £0.51 (£0.61) 10+ £0.45 (£0.54)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	3V	18V	-	14Pins	-	-55°C	125°C	CD4000 LOGIC	-
NE555D	SC19361 + RoHS	Precision 555 Timer IC, Timing Microseconds to Hours, TTL, Astable, Monostable, 4.5 V to 16 V, SOIC-8 TEXAS INSTRUMENTS The NE555D is a precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a stable mod... You previously purchased this product. View in Order History	Each	1+ £0.73 (£0.88) 10+ £0.65 (£0.78)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	-	-	-	-	-	-
DS12887+	SC19144 Data Sheet + RoHS	TRD to Digital Converter, 4.5V to 5.5V, DIP 24 ANALOG DEVICES The DS12887+ is a real time clock in 24 pin DIP package. This device provides real time clock/calendar, one time of day alarm, three maskable interrupts with common interrupt output, programmable square wave and 114bytes of battery backed static RAM. The D... You previously purchased this product. View in Order History	Each	1+ £9.89 (£11.87) 10+ £9.68 (£11.62)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Day; Date; Month; Year	12Hr / 24Hr	RTC	4.5V	5.5V	EDIP	24Pins	Multiplexed	0°C	70°C	-	-
TLC555CP	SC16591 + RoHS	CMOS Low Power 555 Timer, DIP8, 2.1MHz TEXAS INSTRUMENTS The TLC555CP is a monolithic timing circuit fabricated using the TI LinCMOS™ process. The timer is fully compatible with CMOS, TTL, and MOS logic and operates at frequencies up to 2MHz. Because of its high input impedance, this device uses smaller ti... You previously purchased this product. View in Order History	Each	1+ £0.60 (£0.72) 10+ £0.57 (£0.68)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	15V	-	8Pins	-	0°C	70°C	555	-

TLC556CN	SC16479 + RoHS	Timer CMOS, DIP14, 556 TEXAS INSTRUMENTS The TLC556CN is a monolithic Timing Circuit fabricated using the TI LinCMOS™ process, which provides full compatibility with CMOS, TTL and MOS logic and operates at frequencies up to 2MHz. Accurate time delays and oscillations are possible with small... You previously purchased this product. View in Order History	Each	1+ £1.75 (£2.10) 10+ £1.50 (£1.80)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	15V	-	14Pins	-	0°C	70°C	-	-

NE555P	SC16443 + RoHS	555 Timer, Single Precision, DIP8 TEXAS INSTRUMENTS The NE555P are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a stable mode... You previously purchased this product. View in Order History	Each	1+ £0.27 (£0.32) 10+ £0.21 (£0.25)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	4.5V	16V	-	8Pins	-	0°C	70°C	xx555 Precision Timers	-

RPI-RTC-TC	SC13025 + RoHS	Real Time Clock (RTC) & Temperature Sensor Module for Raspberry Pi 4D A real time clock module and temperature sensor for the Raspberry Pi computer. This board fits directly on the GPIO pins on the Raspberry Pi and provides real time date, time and temperature infomation even when the Pi is powered down. • Low profile design... You previously purchased this product. View in Order History	Each	1+ £10.00 (£12.00) 10+ £9.49 (£11.39)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YYYY:MM:DD:Hr:Min:Secs	-	RTC	3V	5V	-	12Pins	I2C	-	-	4D Raspberry Pi RTC	-

RPI-RTC	SC13024 + RoHS	Real Time Clock (RTC) Module for Raspberry Pi 4D A real time clock module for the Raspberry Pi computer. This board fits directly on the GPIO pins on the Raspberry Pi and provides real time date and time infomation even when the Pi is powered down. • Low profile design; compatible with low profile heat s... You previously purchased this product. View in Order History	Each	1+ £7.68 (£9.22) 10+ £7.35 (£8.82)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YYYY:MM:DD:Hr:Min:Secs	-	RTC	3V	5V	-	12Pins	I2C	-	-	Raspberry Pi	-

M48T02-70PC1	SC09499 Data Sheet + RoHS	NVRAM, 10 Year Battery 16K, 48T02 STMICROELECTRONICS The M48T02-70PC1 is a TIMEKEEPER® RAM 2Kb x 8 non-volatile static RAM and Real-time Clock IC which is pin and functional compatible with the DS1642. The button cell has sufficient capacity and storage life to maintain data and clock functionality for an ac... You previously purchased this product. View in Order History	Each	1+ £14.71 (£17.65) 10+ £14.55 (£17.46)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YY-MM-DD-dd	HH:MM:SS	Timekeeper	4.75V	5.5V	DIP	24Pins	Parallel	0°C	70°C	-	-

M48T08-100PC1	SC09501 Data Sheet + RoHS	SRAM Timekeeper 64K, 48T08, DIP28 STMICROELECTRONICS The M48T08-100PC1 is a 5V, 64Kbit (8Kb x 8) TIMEKEEPER non volatile static RAM and real time clock in 28 pin DIP package. This real time clock is pin and function compatible with DS1643. It provides highly integrated battery backed memory and real time clo... You previously purchased this product. View in Order History	Each	1+ £19.75 (£23.70) 10+ £17.12 (£20.54)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YY-MM-DD-dd	HH:MM:SS	Timekeeper	4.75V	5.5V	DIP	28Pins	Parallel	0°C	70°C	-	-

ICM7555IBAZ	SC08628 Data Sheet + RoHS	Timer CMOS, SMD, 7555 (555), SOIC8 INTERSIL The ICM7555IBAZ is a CMOS RC general purpose timer in 8 pin SOIC package. It provides significantly improved performance over standard SE/NE 555/6 and 355 timers while at same time being direct replacements for those devices in most applications. Improved ... You previously purchased this product. View in Order History	Each	1+ £0.72 (£0.86) 10+ £0.53 (£0.64) 100+ £0.39 (£0.47)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	18V	-	8Pins	-	-25°C	85°C	-	-

ICM7555IPAZ	SC08629 Data Sheet + RoHS	Timer CMOS, 7555 (555), DIP8 INTERSIL The ICM7555IPAZ is a CMOS RC timer providing significantly improved performance over the standard SE/NE555/6 and 355 timers, while at the same time being a direct replacement for those devices in most applications. For a stable operation as an oscillator, ... You previously purchased this product. View in Order History	Each	1+ £0.68 (£0.82) 10+ £0.53 (£0.64) 100+ £0.34 (£0.41) 250+ £0.33 (£0.40)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	18V	-	8Pins	-	-25°C	85°C	-	-

M48T18-100PC1	SC09505 Data Sheet + RoHS	SRAM Timekeeper 64K, 48T18, DIP28 STMICROELECTRONICS The M48T18-100PC1 is a TIMEKEEPER® Non-volatile Static RAM and Real-time Clock which is pin and functional compatible with the DS1642. This is a non-volatile pin and function equivalent to any JEDEC standard 8K x 8 SRAM. It also easily fits into many ROM, ... You previously purchased this product. View in Order History	Each	1+ £16.62 (£19.94) 10+ £16.20 (£19.44)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YY-MM-DD-dd	HH:MM:SS	Timekeeper	4.5V	5.5V	DIP	28Pins	Parallel	0°C	70°C	-	-

M4T28-BR12SH1	SC09498 Data Sheet + RoHS	Timekeeper Snaphat STMICROELECTRONICS The M4T28-BR12SH1 SNAPHAT top is a detachable lithium power source. The SNAPHAT top contains both the battery and crystal and is designed to be snapped on after the SOIC is surface mounted on the PC board. Thus the two piece solution prevents the battery a... You previously purchased this product. View in Order History	Each	1+ £6.11 (£7.33) 10+ £5.89 (£7.07)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	-	-	-	4Pins	-	0°C	70°C	M4Txx-BR12SH SNAPHAT	-

DS1302+	SC08158 Data Sheet + RoHS	Trickle Charge Real Time Clock (RTC), 1302, DIP8 ANALOG DEVICES The DS1302+ is a trickle-charge Timekeeping Chip contains a real-time clock/calendar and 31bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, m... You previously purchased this product. View in Order History	Each	1+ £5.56 (£6.67) 10+ £5.00 (£6.00)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Day; Date; Month; Year	HH:MM:SS	Timekeeper	2V	5.5V	DIP	8Pins	3 Wire, Serial	0°C	70°C	-	-

ICM7555CBAZ	SC10469 Data Sheet + RoHS	Timer, General Purpose INTERSIL The ICM7555CBAZ is a CMOS RC Timer providing significantly improved performance over the standard SE/NE 555/6 and 355 timers, while at the same time being direct replacements for those devices in most applications. Improved parameters include low supply cu... You previously purchased this product. View in Order History	Each	1+ £0.62 (£0.74) 10+ £0.52 (£0.62) 100+ £0.39 (£0.47)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	18V	-	8Pins	-	0°C	70°C	-	-

NE555DR	SC16163 + RoHS	Precision Timer IC, Timing Microseconds to Hours, TTL, Astable, Monostable, 4.5V to 16V, SOIC-8 TEXAS INSTRUMENTS The NE555D is a precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a stable mod... You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ £0.39 (£0.47) 10+ £0.29 (£0.35)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	4.5V	16V	-	8Pins	-	0°C	70°C	xx555 Precision Timers	-

SA555P	SC16298 + RoHS	Timer, Oscillator and Pulse Generator IC, 500 kHz, Bipolar, Astable, Monostable, 4.5V to 16V, DIP-8 TEXAS INSTRUMENTS The SA555P is a Precision Timer capable of producing accurate time delay or oscillation. In the mono-stable mode of operation the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation the freque... You previously purchased this product. View in Order History	Each	1+ £0.45 (£0.54) 50+ £0.40 (£0.48)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	4.5V	16V	-	8Pins	-	-40°C	85°C	-	-

LMC555CM/NOPB	SC16259 + RoHS	Low Power SMD 555 Timer, 3MHz, CMOS, 2V to 15V, SOIC-8 TEXAS INSTRUMENTS The LMC555CM/NOPB is a low-power 555 Timer for generating accurate time delays and oscillation. The LMC555 offers the same capability of generating accurate time delays and frequencies as the LM555 but with much lower power dissipation and supply current s... You previously purchased this product. View in Order History	Each	1+ £0.98 (£1.18) 25+ £0.86 (£1.03)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	15V	-	8Pins	-	-40°C	85°C	555	-

TLC556IN	SC16309 + RoHS	Timer, Oscillator and Pulse Generator IC, Dual LinCMOS, 2.1MHz, Astable, 3V to 18V, DIP-14 TEXAS INSTRUMENTS The TLC556IN is a monolithic Timing Circuit fabricated using the TI LinCMOS™ process, which provides full compatibility with CMOS, TTL and MOS logic and operates at frequencies up to 2MHz. Accurate time delays and oscillations are possible with small... You previously purchased this product. View in Order History	Each	1+ £1.49 (£1.79) 25+ £1.33 (£1.60)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	2V	15V	-	14Pins	-	-40°C	85°C	-	-

TLC555IP	SC16522 + RoHS	Timer, 555, PDIP8 TEXAS INSTRUMENTS The TLC555IP is a Low Power Timer is fully compatible with CMOS, TTL and MOS logic and operates at frequencies up to 2MHz. Because of its high input impedance, this device uses smaller timing capacitors than those used by the NE555. As a result, more accur... You previously purchased this product. View in Order History	Each	1+ £0.65 (£0.78) 10+ £0.61 (£0.73)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	3V	15V	-	8Pins	-	-40°C	85°C	-	-

CD4046BE	SC16572 + RoHS	CMOS Micropower Phase Locked Loop, 2.4MHz, 3V to 18V, DIP 16 TEXAS INSTRUMENTS The CD4046BE is a CMOS micropower phase locked loop (PLL) in 16 pin DIP package. It consists of low power, linear voltage controlled oscillator (VCO) and two different phase comparators having common signal input amplifier and common comparator input. A 5.... You previously purchased this product. View in Order History	Each	1+ £0.58 (£0.70) 50+ £0.56 (£0.67)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	3V	18V	-	16Pins	-	-55°C	125°C	CD4000 LOGIC	-

TLC551CP	SC16543 + RoHS	Timer, SMD, PDIP8, 551 TEXAS INSTRUMENTS The TLC551CP is a monolithic Timing Circuit fabricated using the TI LinCMOS™ process. The timer is fully compatible with CMOS, TTL and MOS logic and operates at frequencies up to 2MHz. Compared to the NE555 timer, this device uses smaller timing capa... You previously purchased this product. View in Order History	Each	1+ £2.04 (£2.45) 10+ £1.52 (£1.82)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	-	-	1V	15V	-	8Pins	-	-55°C	125°C	-	-

PCF8523T/1,118	SC19239 Data Sheet + RoHS	Real Time IC Clock (RTC) and Calendar, I2C, 1.2V to 5.5V, SOIC-8 NXP The PCF8523T/1,118 is a Real-Time Clock and calendar optimized for low power consumption. Data is transferred serially via the I²C-bus with a maximum data rate of 1000kbps. Alarm and timer functions are available with the possibility to generate a wake-up ... You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ £1.26 (£1.51) 10+ £1.14 (£1.37) 100+ £0.92 (£1.10)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	1.2V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-