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Through Hole Clock & Timer ICs

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Real Time Clock 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: $56.11 844In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	844In Stock	$56.11 $41.28 $39.62 $38.07 View $36.69 Quote	Min.: 1 Mult.: 1
Real Time Clock 64K (8Kx8) 150ns M48T18-150PC1 STMicroelectronics 1: $68.64 398In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	398In Stock	$68.64 $51.84 $49.57 $48.66 View $48.46 Quote	Min.: 1 Mult.: 1
Real Time Clock I C Serial Real-Time Clock DS1337+ Analog Devices / Maxim Integrated 1: $7.93 2,513In Stock	Mfr. Part No. DS1337+ Mouser Part No 700-DS1337	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	2,513In Stock	$7.93 $6.04 $5.55 $4.57 View $4.38 $4.31	Min.: 1 Mult.: 1 Max.: 2,010
Real Time Clock 3V/5V Real-Time Clock DS1687-5IND+ Analog Devices / Maxim Integrated 1: $45.21 86In Stock	Mfr. Part No. DS1687-5IND+ Mouser Part No 700-DS1687-5IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	86In Stock	$45.21 $36.60 $34.44 $33.02 $30.94	Min.: 1 Mult.: 1
Real Time Clock Serial Alarm Real-Time Clock DS1305N+ Analog Devices / Maxim Integrated 1: $18.88 1,067In Stock	Mfr. Part No. DS1305N+ Mouser Part No 700-DS1305N	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1,067In Stock	$18.88 $14.78 $13.74 $12.62 View $12.38 $11.76	Min.: 1 Mult.: 1 Max.: 853
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YN+ Analog Devices / Maxim Integrated 1: $18.71 162In Stock	Mfr. Part No. DS1501YN+ Mouser Part No 700-DS1501YN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	162In Stock	$18.71 $18.31 $17.91 $17.54	Min.: 1 Mult.: 1 Max.: 129
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12CR887-5+ Analog Devices / Maxim Integrated 1: $18.70 393In Stock	Mfr. Part No. DS12CR887-5+ Mouser Part No 700-DS12CR887-5+	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	393In Stock	$18.70 $18.29 $17.90 $17.53 $17.26	Min.: 1 Mult.: 1 Max.: 314
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511Y+ Analog Devices / Maxim Integrated 1: $56.21 96In Stock	Mfr. Part No. DS1511Y+ Mouser Part No 700-DS1511Y	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	96In Stock	$56.21 $45.27 $42.38 $40.26 View $38.52 Quote	Min.: 1 Mult.: 1
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120+ Analog Devices / Maxim Integrated 1: $95.25 35In Stock	Mfr. Part No. DS1556W-120+ Mouser Part No 700-DS1556W-120	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	35In Stock	$95.25 $83.63 $76.73 $75.38	Min.: 1 Mult.: 1
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70IND+ Analog Devices / Maxim Integrated 1: $101.40 170In Stock	Mfr. Part No. DS1744-70IND+ Mouser Part No 700-DS1744-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	170In Stock	$101.40 $83.75 $79.33 $78.35	Min.: 1 Mult.: 1 Max.: 136
Real Time Clock 3V/5V Real-Time Clocks DS17887-5+ Analog Devices / Maxim Integrated 1: $59.15 72In Stock	Mfr. Part No. DS17887-5+ Mouser Part No 700-DS17887-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	72In Stock	$59.15 $48.33 $45.61 $44.35 View $41.25 Quote	Min.: 1 Mult.: 1
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70IND+ Analog Devices / Maxim Integrated 1: $56.34 173In Stock	Mfr. Part No. DS1554-70IND+ Mouser Part No 700-DS1554-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	173In Stock	$56.34 $55.09 $53.91 $52.82	Min.: 1 Mult.: 1 Max.: 138
Delay Lines/Timing Elements Hex Delay Elements SN74LS31N Texas Instruments 1: $2.90 988In Stock	Mfr. Part No. SN74LS31N Mouser Part No 595-SN74LS31N	Texas Instruments	Delay Lines/Timing Elements Hex Delay Elements	Datasheet	988In Stock	$2.90 $2.15 $1.94 $1.74 View $1.66 $1.59 $1.50	Min.: 1 Mult.: 1 Max.: 1,001
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556-70+ Analog Devices / Maxim Integrated 1: $112.42 16In Stock	Mfr. Part No. DS1556-70+ Mouser Part No 700-DS1556-70	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	16In Stock	$112.42 $93.62 $88.13 $83.26 View Quote	Min.: 1 Mult.: 1
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746W-120IND+ Analog Devices / Maxim Integrated 1: $103.82 23In Stock	Mfr. Part No. DS1746W-120IND+ Mouser Part No 700-DS1746W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	23In Stock	$103.82 $85.76 $81.00 $77.10	Min.: 1 Mult.: 1
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120IND+ Analog Devices / Maxim Integrated 1: $106.18 14In Stock	Mfr. Part No. DS1556W-120IND+ Mouser Part No 700-DS1556W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	14In Stock	$106.18 $88.43 $83.23 $78.64 View Quote	Min.: 1 Mult.: 1
Real Time Clock 3V/5V Real-Time Clocks DS17487-5+ Analog Devices / Maxim Integrated 1: $49.57 49In Stock	Mfr. Part No. DS17487-5+ Mouser Part No 700-DS17487-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	49In Stock	$49.57 $40.15 $37.75 $36.20 View $33.95 Quote	Min.: 1 Mult.: 1
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747W-120+ Analog Devices / Maxim Integrated 1: $112.05 21In Stock	Mfr. Part No. DS1747W-120+ Mouser Part No 700-DS1747W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	21In Stock	$112.05 $93.31 $87.84 $82.97 Quote Quote	Min.: 1 Mult.: 1
Timers & Support Products 8-Bit Binary, Programmable, RC Timer Cou ICM7240IWE+ Analog Devices / Maxim Integrated 1: $15.57 170In Stock	Mfr. Part No. ICM7240IWE+ Mouser Part No 700-ICM7240IWE	Analog Devices / Maxim Integrated	Timers & Support Products 8-Bit Binary, Programmable, RC Timer Cou	Datasheet	170In Stock	$15.57 $12.16 $11.00 $10.35	Min.: 1 Mult.: 1 Max.: 136
Real Time Clock 3V/5V Real-Time Clocks DS17287-3+ Analog Devices / Maxim Integrated 1: $45.67 54In Stock	Mfr. Part No. DS17287-3+ Mouser Part No 700-DS17287-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	54In Stock	$45.67 $36.71 $34.79 $32.82 View $31.27 $31.25 Quote	Min.: 1 Mult.: 1
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: $1.46 196In Stock 360Expected 21/10/2026	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		196In Stock 360Expected 21/10/2026	$1.46	Min.: 1 Mult.: 1
Timers & Support Products Precision NE555P Texas Instruments 1: $0.802 63,771In Stock 5,000Expected 1/2/2027	Mfr. Part No. NE555P Mouser Part No 595-NE555P	Texas Instruments	Timers & Support Products Precision Learn More about Texas Instruments ti ne555 timer	Datasheet	63,771In Stock 5,000Expected 1/2/2027	$0.802 $0.559 $0.466 $0.432 View $0.401 $0.382 $0.367 $0.354 $0.348	Min.: 1 Mult.: 1
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70+ Analog Devices / Maxim Integrated 1: $95.50 454In Stock	Mfr. Part No. DS1746-70+ Mouser Part No 700-DS1746-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	454In Stock	$95.50 $78.88 $74.72 $73.78 Quote Quote	Min.: 1 Mult.: 1 Max.: 363
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: $49.45 940In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	940In Stock	$49.45 $37.10 $35.39 $34.14 View $32.98 $32.88	Min.: 1 Mult.: 1
Real Time Clock 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: $59.95 944In Stock	Mfr. Part No. M48T12-150PC1 Mouser Part No 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	$59.95 $48.42 $46.12 $44.70 View $42.96 Quote	Min.: 1 Mult.: 1

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