Clocks, Timing & Frequency Management

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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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ICM7555IPAZ
ICM7555IPAZ - Timer CMOS, 7555 (555), DIP8

SC08629

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, ...

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1MHz 2V
NE555P
NE555P - 555 Timer, Single Precision, DIP8

SC16443

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...

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500kHz 4.5V
CD74HC4046AE
CD74HC4046AE - Logic, 74HC, Pll

SC16530

Logic, 74HC, Pll

TEXAS INSTRUMENTS

The CD74HC4046AE is a high speed silicon-gate CMOS logic Phase-Locked-Loop with VCO and compatible with the CD4046B of the "4000B" series. They are specified in compliance with JEDEC standard number 7. The HC4046A phase-locked-loop circuits that contain a ...

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38MHz 2V
TLC555CP
TLC555CP - CMOS Low Power 555 Timer, DIP8, 2.1MHz

SC16591

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...

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2.1MHz 2V
RPI-RTC-TC
RPI-RTC-TC - Real Time Clock and Temperature Sensor Module for Raspberry Pi

SC13025

Real Time Clock and 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...

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- 3V
RPI-RTC
RPI-RTC - Real Time Clock Module for Raspberry Pi

SC13024

Real Time Clock 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. • Compatible with all Raspberry Pi models including Pi Z...

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- 3V
ICM7555IBAZ
ICM7555IBAZ - Timer CMOS, SMD, 7555 (555), SOIC8

SC08628

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 ...

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1MHz 2V
TLC556CN
TLC556CN - Timer CMOS, DIP14, 556

SC16479

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...

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2.1MHz 2V
LMC555CM/NOPB
LMC555CM/NOPB - Low Power SMD 555 Timer, 3MHz, CMOS, 2V to 15V, SOIC-8

SC16259

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...

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3MHz 2V
LM555CM/NOPB
LM555CM/NOPB - Timer, Oscillator & Pulse Generator IC, TTL Compatible, Astable, Monostable, 4.5 V to 16 V, SOIC-8

SC16146

Timer, Oscillator & Pulse Generator IC, TTL Compatible, Astable, Monostable, 4.5 V to 16 V, SOIC-8

TEXAS INSTRUMENTS

The LM555CM/NOPB is a Highly Stable 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 external r...

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- 4.5V
NE555DR
NE555DR - Precision Timer IC, Timing Microseconds to Hours, TTL, Astable, Monostable, 4.5V to 16V, SOIC-8

SC16163

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...

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500kHz 4.5V
114100001
114100001 - Real Time Clock Module for Raspberry Pi

SC14950

Real Time Clock Module for Raspberry Pi

SEEED STUDIO

A real time clock module designed for the Raspberry Pi that provides continuous, accurate time keeping with battery backup. The board has been set with five additional pins allowing for convenient debugging. • Programmable square wave output signal • RTC m...

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- -
NE556N
NE556N - Dual Precision Timer, 4.5V to 16V, 14 Pin DIP, 500kHz

SC16260

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...

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TLC555IP
TLC555IP - Timer, 555, PDIP8

SC16522

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...

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2.1MHz 3V
TLC555ID
TLC555ID - Timer, CMOS, 8 SOIC

SC16624

Timer, CMOS, 8 SOIC

TEXAS INSTRUMENTS

The TLC555ID 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 tim...

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2.1MHz 2V
SE555P .
SE555P . - Precision Timer IC for -55 to 125 Degrees Operation, 4.5V to 18V, DIP-8

SC16645

Precision Timer IC for -55 to 125 Degrees Operation, 4.5V to 18V, DIP-8

TEXAS INSTRUMENTS

The SE555P 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...

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- 4.5V
M4T28-BR12SH1
M4T28-BR12SH1 - Timekeeper Snaphat

SC09498

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...

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CD4046BE
CD4046BE - CMOS Micropower Phase Locked Loop, 2.4MHz, 3V to 18V, DIP 16

SC16572

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....

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2.4MHz 3V
TLC556IN
TLC556IN - Timer, Oscillator and Pulse Generator IC, Dual LinCMOS, 2.1MHz, Astable, 3V to 18V, DIP-14

SC16309

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...

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2.1MHz 2V
M48T08-100PC1
M48T08-100PC1 - SRAM Timekeeper 64K, 48T08, DIP28

SC09501

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...

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- 4.75V
TLC551CP
TLC551CP - Timer, SMD, PDIP8, 551

SC16543

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...

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1.8MHz 1V
ICM7556IPDZ
ICM7556IPDZ - Timer Dual CMOS, 7556, DIP14

SC08630

Timer Dual CMOS, 7556, DIP14

INTERSIL

The ICM7556IPDZ is a CMOS RC Timer provides significantly improved performance over the standard SE/NE555/6 and 355 timers, while at the same time being direct replacements for those devices in most applications. Improved parameters include low supply curr...

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1MHz 2V
SA555P
SA555P - Timer, Oscillator and Pulse Generator IC, 500 kHz, Bipolar, Astable, Monostable, 4.5V to 16V, DIP-8

SC16298

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...

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500kHz 4.5V
M41T11M6E
M41T11M6E - NVRAM/RTCC I512Bitx8, 41T11, SOIC8

SC09507

NVRAM/RTCC I512Bitx8, 41T11, SOIC8

STMICROELECTRONICS

Automotive Qualification Standard:-; Clock Format:Binary; Clock IC Case Style:SOIC; Clock IC Type:RTC; Date Format:Binary; IC Interface Type:I2C; MSL:-; No. of Pins:8Pins; Operating Te

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- 2V
DS1302+
DS1302+ - Trickle Charge RTC, 1302, DIP8

SC08158

Trickle Charge RTC, 1302, DIP8

MAXIM INTEGRATED PRODUCTS

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...

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- 2V