Clocks, Timing & Frequency Management

: 42 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!

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price Ex. VAT (Inc. VAT)	Quantity	Supply Voltage Min
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NE555P	SC16443 + RoHS	TIMER SINGLE PRECISION,DIP8 ,0.5MHZ TEXAS INSTRUMENTS NE555P is a single 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 a stable mode... You previously purchased this product. View in Order History	Each	1+ £0.28 (£0.34) 10+ £0.22 (£0.26)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.5V
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+ £0.52 (£0.62) 10+ £0.46 (£0.55)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	3V
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+ £0.75 (£0.90) 10+ £0.58 (£0.70) 100+ £0.37 (£0.44) 250+ £0.36 (£0.43)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	2V
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	-
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	3V

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+ £0.59 (£0.71) 50+ £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	3V

LM555CN/NOPB	SC19360 + RoHS	IC, TIMER, PROGRAMMABLE, 15MA, 8DIP TEXAS INSTRUMENTS The LM555CN/NOPB is a highly stable 555 Timer for generating accurate time delays and oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay mode of operation, the time is precisely controlled by one extern... You previously purchased this product. View in Order History	Each	1+ £1.36 (£1.63) 10+ £1.02 (£1.22)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.5V

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

M4T32-BR12SH6	SC20355 Data Sheet + RoHS	Timekeeper Snaphat, 12.5pF, 32.768kHz, 120mAh, 3V STMICROELECTRONICS M4T32-BR12SH6 is a real-time clock and TIMEKEEPER® SNAPHAT® battery with crystal. The SNAPHAT® top is a detachable lithium power source for ST’s serial real-time clock and non-volatile TIMEKEEPER® surface-mount SOIC package (28- and 44-pin). The SNAPHAT to... You previously purchased this product. View in Order History	Each Hazardous Item: There maybe additional transit time on this item. Delivery of other items on your order will be unaffected.	1+ £9.02 (£10.82) 10+ £8.35 (£10.02) 50+ £7.88 (£9.46)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-

TLC555CP	SC16591 + RoHS	CMOS Low Power 555 Timer, DIP8, 2.1MHz TEXAS INSTRUMENTS TLC555CP is a LinCMOS™ technology timer. This 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 ... You previously purchased this product. View in Order History	Each	1+ £0.61 (£0.73) 10+ £0.58 (£0.70)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	2V

MCP79410-I/SN	SC19174 Data Sheet + RoHS	Battery Backed I2C Real Time Clock/Calendar with EEPROM and Unique ID in SOIC-8 Package MICROCHIP MCP79410-I/SN is a battery-backed I2C real-time clock/calendar with SRAM, EEPROM, and protected EEPROM. It is a 1.8V - 5.5V, unprogrammed I²C serial RTCC that tracks time using internal counters for hours, minutes, seconds, days, months, years, days, and w... You previously purchased this product. View in Order History	Each	1+ £0.85 (£1.02) 25+ £0.78 (£0.94)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	1.8V

NE556N	SC16260 + RoHS	Dual Precision Timer, 4.5V to 16V, 14 Pin DIP, 500kHz TEXAS INSTRUMENTS The NE556N from Texas Instruments is a device that provides two independent timing circuits of the NE556N type in each package. These circuits can be operated in the astable or the monostable mode with external resistor-capacitor (RC) timing control. The b... You previously purchased this product. View in Order History	Each	5+ £0.67 (£0.80) 50+ £0.65 (£0.78)	Restricted Item Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Add Min: 5 Mult: 5	4.5V

TLC555IP	SC16522 + RoHS	IC, 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+ £0.66 (£0.79) 10+ £0.62 (£0.74)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	3V

PCF8523T/1,118	SC19239 Data Sheet + RoHS	Real Time IC Clock (RTC) and Calendar, I2C, 1.2V to 5.5V, SOIC-8 NXP PCF8523T/1,118 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. Data is transferred serially via the I2C-bus with a maximum data rate of 1000 kbit/s. Alarm and timer functions are available with the possibility to generate ... 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	1.2V

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+ £16.79 (£20.15) 10+ £16.37 (£19.64)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.5V

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 smaller, le... 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

DS1302Z+T&R	SC20437 Data Sheet + RoHS	RTC IC, Date Time Format (Day / Date / Month / Year hh:mm:ss), Serial, 2V to 5.5V, NSOIC 88 ANALOG DEVICES The DS1302Z+T&R is a trickle charge timekeeping chip in 8 pin NSOIC package. It contains a real-time clock/calendar and 31 bytes of static RAM and communicates with a microprocessor via a simple serial interface. It provides seconds, minutes, hours, day, d... You previously purchased this product. View in Order History	Each	1+ £3.48 (£4.18) 10+ £3.00 (£3.60)	Restricted Item	2V

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+ £4.70 (£5.64) 10+ £4.22 (£5.06)	Restricted Item	4.5V

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

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+ £19.95 (£23.94) 10+ £17.29 (£20.75)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.75V

LMC555CMX/NOPB	SC19315 + RoHS	555 Timer with Low Power, High Accuracy and a Fmax of 3MHz, 1.5V to 15V, SOIC-8 TEXAS INSTRUMENTS The LMC555CMX/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 ... You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ £0.96 (£1.15) 10+ £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	1.5V

TLC555IDR	SC20496 + RoHS	TIMER, 2.1MHZ, 15V, SOIC-8 TEXAS INSTRUMENTS The TLC555IDR is a monolithic Low Power Timer fabricated using the TI LinCMOS™ process. Because of its high input impedance, this device uses smaller timing capacitors than those used by the NE555. As a result, more accurate time delays and oscillations ar... You previously purchased this product. View in Order History	Each (Supplied on Cut Tape)	1+ £0.72 (£0.86) 10+ £0.63 (£0.76)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	2V

M48T02-150PC1	SC09500 Data Sheet + RoHS	SRAM Timekeeper 16K, 48T02, DIP24 STMICROELECTRONICS The M48T02-150PC1 is a 16kb Non-volatile Static RAM and Real-time Clock which is pin and functional compatible with the DS1642. The M48T02 button cell has sufficient capacity and storage life to maintain data and clock functionality for an accumulated time... You previously purchased this product. View in Order History	Each	1+ £13.07 (£15.68) 10+ £11.99 (£14.39)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.75V

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+ £14.86 (£17.83) 10+ £14.70 (£17.64)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	4.75V

DS3231SN#	SC19145 Data Sheet + RoHS	I2C Tntegarted Real Time Clock (RTC) / TCXO / Crystal, 16 Pin, SOIC, 2.3V to 5.5V ANALOG DEVICES DS3231SN# is a DS3231 low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to th... You previously purchased this product. View in Order History	Each	1+ £11.56 (£13.87) 10+ £10.62 (£12.74)	Restricted Item	2.3V