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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Number of Internal Timers	Propagation Delay - Max	Output Type	Package/Case	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Mounting Style	Packaging
Timers & Support Products Low power dual CMOS timer TS556IDTTR STMicroelectronics 1: HK$13.73 48,721In Stock	Mfr. Part No. TS556IDTTR Mouser Part No 511-TS556IDTTR	STMicroelectronics	Timers & Support Products Low power dual CMOS timer	Datasheet	48,721In Stock	Cut Tape HK$13.73 HK$10.03 HK$9.12 HK$8.01 Reel HK$6.68 View HK$7.52 HK$7.23 HK$7.13 HK$6.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	CMOS Timer	2 Timer	100 ns	CMOS, TTL	SO-14	2 V	16 V	- 40 C	+ 125 C	TS556		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products Nano Pwr Prgrmble Ti mer w/ Pwr Gating A A 595-TPL5100DGST TPL5100DGSR Texas Instruments 1: HK$15.78 3,222In Stock	Mfr. Part No. TPL5100DGSR Mouser Part No 595-TPL5100DGSR	Texas Instruments	Timers & Support Products Nano Pwr Prgrmble Ti mer w/ Pwr Gating A A 595-TPL5100DGST Learn More about Texas Instruments ti tpl5000 tpl5100 timers	Datasheet	3,222In Stock	Cut Tape HK$15.78 HK$11.59 HK$10.52 HK$9.37 Reel HK$7.45 View HK$8.80 HK$8.47 HK$7.44 MouseReel Available	Min.: 1 Mult.: 1 : 3,500	Programmable Timer	1 Timer			VSSOP-10	1.8 V	5 V	- 40 C	+ 105 C	TPL5100		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products 2.7V to 18V, "555" RC Timer/Oscillator with Trigger Input MIC1555YD5-TR Microchip Technology 1: HK$9.78 5,778In Stock	Mfr. Part No. MIC1555YD5-TR Mouser Part No 998-MIC1555YD5TR	Microchip Technology	Timers & Support Products 2.7V to 18V, "555" RC Timer/Oscillator with Trigger Input	Datasheet	5,778In Stock	Cut Tape HK$9.78 HK$8.14 Reel HK$7.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000					TSOT-23-5								Reel, Cut Tape, MouseReel
Timers & Support Products Dual CMOS A 595-TLC5 56IDR A 595-TLC556I A 595-TLC556IDR TLC556ID Texas Instruments 1: HK$22.28 6,641In Stock	Mfr. Part No. TLC556ID Mouser Part No 595-TLC556ID	Texas Instruments	Timers & Support Products Dual CMOS A 595-TLC5 56IDR A 595-TLC556I A 595-TLC556IDR	Datasheet	6,641In Stock	HK$22.28 HK$16.52 HK$12.82 HK$12.08 View HK$11.59 HK$11.26 HK$11.01 HK$10.85 HK$10.52	Min.: 1 Mult.: 1	Standard	2 Timer		CMOS, MOS, TTL	SOIC-14	2 V	15 V	- 40 C	+ 85 C	TLC556		SMD/SMT	Tube
Timers & Support Products LOG CMOS OSILATR TIMER MC14536BDWG onsemi 1: HK$6.82 21,419In Stock	Mfr. Part No. MC14536BDWG Mouser Part No 863-MC14536BDWG	onsemi	Timers & Support Products LOG CMOS OSILATR TIMER	Datasheet	21,419In Stock	HK$6.82 HK$5.06 HK$4.14 HK$3.81	Min.: 1 Mult.: 1 Max.: 188	Programmable Timer	1 Timer	3.6 us	TTL	SOIC-16	3 V	18 V	- 55 C	+ 125 C	MC14536B		SMD/SMT	Tube
Timers & Support Products Low-Power, General-Purpose Timer ICM7555ISA+T Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. ICM7555ISA+T Mouser Part No 700-ICM7555ISAT	Analog Devices / Maxim Integrated	Timers & Support Products Low-Power, General-Purpose Timer	Datasheet			Restricted Availability	Standard	1 Timer		CMOS, TTL	SOIC-8	2 V	18 V	- 20 C	+ 85 C	ICM7555		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products Low-Power, General-Purpose Timer ICM7555ISA+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. ICM7555ISA+ Mouser Part No 700-ICM7555ISA	Analog Devices / Maxim Integrated	Timers & Support Products Low-Power, General-Purpose Timer	Datasheet			Restricted Availability	Standard	1 Timer		CMOS, TTL	SOIC-8	2 V	18 V	- 20 C	+ 85 C	ICM7555		SMD/SMT	Tube
Timers & Support Products Dual Precision SA556N Texas Instruments 1: HK$6.66 3,962In Stock	Mfr. Part No. SA556N Mouser Part No 595-SA556N	Texas Instruments	Timers & Support Products Dual Precision	Datasheet	3,962In Stock	HK$6.66 HK$4.73 HK$4.26 HK$3.75 View HK$3.53 HK$3.45 HK$3.39 HK$3.35 HK$3.32	Min.: 1 Mult.: 1	Standard	2 Timer		TTL	PDIP-14	4.5 V	16 V	- 40 C	+ 85 C	SA556		SMD/SMT	Tube
Timers & Support Products Programmable Wake Up Timer IC with built-in Quartz Crystal S-35710M01I-E8T3U ABLIC 1: HK$58.28 2,895In Stock	Mfr. Part No. S-35710M01I-E8T3U Mouser Part No 628-S35710M01I-E8T3U	ABLIC	Timers & Support Products Programmable Wake Up Timer IC with built-in Quartz Crystal	Datasheet	2,895In Stock	Cut Tape HK$58.28 HK$48.17 HK$45.62 HK$42.83 View Reel HK$36.91 HK$41.10 HK$40.61 HK$36.99 HK$36.91 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Wake-Up Timer IC			CMOS	HSOP-Q-8	1.8 V	5.5 V	- 40 C	+ 85 C	S-35710/20		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products LOG CMOS OSILATR TIMER MC14541BDR2G onsemi 1: HK$5.43 12,717In Stock	Mfr. Part No. MC14541BDR2G Mouser Part No 863-MC14541BDR2G	onsemi	Timers & Support Products LOG CMOS OSILATR TIMER	Datasheet	12,717In Stock	Cut Tape HK$5.43 HK$3.82 HK$3.43 HK$2.89 View Reel HK$2.15 HK$2.77 HK$2.54 HK$2.47 HK$2.15 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	Programmable Timer	1 Timer	10500 ns		SOIC-14	3 V	18 V	- 55 C	+ 125 C	MC14541B		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products 2.9 V S-1410G29-K8T2U4 ABLIC 1: HK$11.92 3,708In Stock	Mfr. Part No. S-1410G29-K8T2U4 Mouser Part No 628-S-1410G29-K8T2U4	ABLIC	Timers & Support Products 2.9 V	Datasheet	3,708In Stock	Cut Tape HK$11.92 HK$9.78 HK$9.21 HK$8.63 View Reel HK$7.08 HK$8.38 HK$8.15 HK$7.09 HK$7.08 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Watchdog Timer	1 Timer			TMSOP-8	900 mV	6 V	- 40 C	+ 105 C	S-1410		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products PERIPH PRG-CNTR 5V 8MHZ 28PLCC IND IS82C54Z Renesas / Intersil 1: HK$356.67 370Expected 8/1/2027	Mfr. Part No. IS82C54Z Mouser Part No 968-IS82C54Z	Renesas / Intersil	Timers & Support Products PERIPH PRG-CNTR 5V 8MHZ 28PLCC IND	Datasheet	370Expected 8/1/2027	HK$356.67 HK$291.32 HK$270.85 HK$262.63 View HK$254.66 Quote	Min.: 1 Mult.: 1	Programmable Timer	3 Timer	150 ns	CMOS	PLCC-28	4.5 V	5.5 V	- 40 C	+ 85 C	82C54		SMD/SMT	Tube
Timers & Support Products Timer Circuit NCV1455BDR2G onsemi 1: HK$2.63 92,344In Stock	Mfr. Part No. NCV1455BDR2G Mouser Part No 863-NCV1455BDR2G	onsemi	Timers & Support Products Timer Circuit	Datasheet	92,344In Stock	Cut Tape HK$2.63 HK$1.99 HK$1.83 HK$1.64 View Reel HK$1.16 HK$1.51 HK$1.45 HK$1.37 HK$1.16 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	Standard	1 Timer		TTL	SOIC-8	4.5 V	16 V	- 40 C	+ 125 C	NCV1455	AEC-Q100	SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products Current Consumption Watchdog Timer S-1410G28-K8T2U4 ABLIC 1: HK$11.92 4,032In Stock	Mfr. Part No. S-1410G28-K8T2U4 Mouser Part No 628-S-1410G28-K8T2U4	ABLIC	Timers & Support Products Current Consumption Watchdog Timer	Datasheet	4,032In Stock	Cut Tape HK$11.92 HK$9.78 HK$9.21 HK$8.63 View Reel HK$7.01 HK$7.97 HK$7.90 HK$7.89 HK$7.02 HK$7.01	Min.: 1 Mult.: 1 : 4,000	Timer			CMOS	TMSOP-8	900 mV	6 V	- 40 C	+ 105 C	S-1410		SMD/SMT	Reel, Cut Tape
Timers & Support Products Programmable A 595-C D4541BMT A 595-CD45 A 595-CD4541BMT CD4541BM Texas Instruments 1: HK$9.70 1,618In Stock	Mfr. Part No. CD4541BM Mouser Part No 595-CD4541BM	Texas Instruments	Timers & Support Products Programmable A 595-C D4541BMT A 595-CD45 A 595-CD4541BMT	Datasheet	1,618In Stock	HK$9.70 HK$7.97 HK$6.83 HK$6.36 View HK$5.97 HK$5.72 HK$5.53 HK$5.22 HK$5.11	Min.: 1 Mult.: 1	Programmable Timer	1 Timer	10500 ns	CMOS	SOIC-14	3 V	18 V	- 55 C	+ 125 C	CD4541B		SMD/SMT	Tube
Timers & Support Products Dual Precision NE556NSR Texas Instruments 1: HK$5.43 4,136In Stock	Mfr. Part No. NE556NSR Mouser Part No 595-NE556NSR	Texas Instruments	Timers & Support Products Dual Precision	Datasheet	4,136In Stock	Cut Tape HK$5.43 HK$3.82 HK$3.43 HK$2.98 Reel HK$2.39 View HK$2.77 HK$2.64 HK$2.53 HK$2.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Standard	2 Timer		TTL	SOP-14	4.5 V	16 V	0 C	+ 70 C	NE556		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products LOW POWER TIMER TLC555CPW Texas Instruments 1: HK$14.47 820In Stock	Mfr. Part No. TLC555CPW Mouser Part No 595-TLC555CPW	Texas Instruments	Timers & Support Products LOW POWER TIMER	Datasheet	820In Stock	HK$14.47 HK$10.60 HK$8.80 HK$8.30 View HK$8.04 HK$7.74 HK$7.69 HK$7.22 HK$7.06	Min.: 1 Mult.: 1	Standard	1 Timer		CMOS, MOS, TTL	TSSOP-14	2 V	15 V	- 40 C	+ 125 C	TLC555		SMD/SMT	Tube
Timers & Support Products CMOS Programmable Ti mer ALT 595-CD4536B ALT 595-CD4536BPWR CD4536BPWRE4 Texas Instruments 1: HK$7.89 1,427In Stock	Mfr. Part No. CD4536BPWRE4 Mouser Part No 595-CD4536BPWRE4	Texas Instruments	Timers & Support Products CMOS Programmable Ti mer ALT 595-CD4536B ALT 595-CD4536BPWR	Datasheet	1,427In Stock	Cut Tape HK$7.89 HK$5.68 HK$5.11 HK$4.50 Reel HK$3.72 View HK$4.20 HK$4.02 HK$3.90 HK$3.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			8 us	CMOS	TSSOP-16	3 V	18 V	- 55 C	+ 125 C	CD4536B		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products 3.8 uA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION S-1410A28-K8T2U4 ABLIC 1: HK$16.11 56In Stock	Mfr. Part No. S-1410A28-K8T2U4 Mouser Part No 628-S-1410A28-K8T2U4	ABLIC	Timers & Support Products 3.8 uA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION	Datasheet	56In Stock	Cut Tape HK$16.11 HK$11.84 HK$10.77 HK$9.21 View Reel HK$7.32 HK$9.12 HK$7.32 HK$7.32 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Timer				TMSOP-8	900 mV	6 V	- 40 C	+ 105 C	S-1410		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products Parallel-Interface Elapsed Time Counter DS1318E+T&R Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS1318E+T&R Mouser Part No 700-DS1318E+T&R	Analog Devices / Maxim Integrated	Timers & Support Products Parallel-Interface Elapsed Time Counter	Datasheet			Restricted Availability				Open-Drain	TSSOP-24	3 V	3.6 V	- 40 C	+ 85 C	DS1318E		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products CMOS Programmable Ti mer ALT 595-CD4536B ALT 595-CD4536BPWR CD4536BPWRG4 Texas Instruments 1: HK$7.97 1,945In Stock	Mfr. Part No. CD4536BPWRG4 Mouser Part No 595-CD4536BPWRG4	Texas Instruments	Timers & Support Products CMOS Programmable Ti mer ALT 595-CD4536B ALT 595-CD4536BPWR	Datasheet	1,945In Stock	Cut Tape HK$7.97 HK$5.69 HK$5.12 HK$4.50 View Reel HK$3.07 HK$4.21 HK$4.03 HK$3.90 HK$3.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			8 us	CMOS	TSSOP-16	3 V	18 V	- 55 C	+ 125 C	CD4536B		SMD/SMT	Reel, Cut Tape, MouseReel
Timers & Support Products 8-Bit Binary, Programmable, RC Timer Cou ICM7240IWE+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. ICM7240IWE+ Mouser Part No 700-ICM7240IWE	Analog Devices / Maxim Integrated	Timers & Support Products 8-Bit Binary, Programmable, RC Timer Cou	Datasheet			Restricted Availability				CMOS	SOIC-16	2 V	16 V	- 20 C	+ 85 C	ICM7240		Through Hole	Tube
Timers & Support Products PROGRAMMABLE OSCILLATOR-T onsemi NLV14541BDTR2G NLV14541BDTR2G onsemi 1: HK$5.51 2,454In Stock	Mfr. Part No. NLV14541BDTR2G Mouser Part No 863-NLV14541BDTR2G	onsemi	Timers & Support Products PROGRAMMABLE OSCILLATOR-T	Datasheet	2,454In Stock	Cut Tape HK$5.51 HK$3.87 HK$3.48 HK$3.03 View Reel HK$2.37 HK$2.83 HK$2.70 HK$2.47 HK$2.37	Min.: 1 Mult.: 1 : 2,500			10500 ns							MC14541B	AEC-Q100		Reel, Cut Tape
Timers & Support Products This is a common 555 timer/oscillator from TI. A classic for all of those first year circuits projects where you need to blink an LED generate tone and thousands of other great beginning projects. Google around for a huge list of resources and exam COM-16473 SparkFun 1: HK$11.01 278In Stock	Mfr. Part No. COM-16473 Mouser Part No 474-COM-16473	SparkFun	Timers & Support Products This is a common 555 timer/oscillator from TI. A classic for all of those first year circuits projects where you need to blink an LED generate tone and thousands of other great beginning projects. Google around for a huge list of resources and exam		278In Stock	HK$11.01	Min.: 1 Mult.: 1	Precision Timer	1 Timer		TTL	PDIP-8	4.5 V	16 V	0 C	+ 70 C			Through Hole
Timers & Support Products High-speed CMOS timer with integrated reset pull up TLC3555IDDFR Texas Instruments 1: HK$7.81 2,034In Stock New Product	Mfr. Part No. TLC3555IDDFR Mouser Part No 595-TLC3555IDDFR New Product	Texas Instruments	Timers & Support Products High-speed CMOS timer with integrated reset pull up	Datasheet	2,034In Stock	Cut Tape HK$7.81 HK$5.47 HK$4.91 HK$4.28 View Reel HK$3.29 HK$3.99 HK$3.88 HK$3.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	High Speed CMOS Timer	1 Timer	85 ns	CMOS, TTL	SOT-23-Thin-8	1.5 V	18 V	- 40 C	+ 125 C	TLC3555		SMD/SMT	Reel, Cut Tape, MouseReel