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All Products > Semiconductors > Integrated Circuits - ICs > Clock & Timer ICs - Analog >

Real Time Clock
Category   Semiconductors >  Integrated Circuits - ICs >  Clock & Timer ICs - Analog >  Real Time Clock

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Compare up to 20 parts.
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Select ImageMouser Part # Mfr. Part # Mfr. Description Availability Pricing
(USD) 		Quantity RoHS Function RTC Bus Interface Date Format Time Format RTC Memory Size Supply Voltage - Max Supply Voltage - Min Maximum Operating Temperature Minimum Operating Temperature Mounting Style Package / Case Packaging
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NXP Semiconductors PCF2127T/2Y
Enlarge
771-PCF2127T/2Y


To purchase full reel, order in multiples of 1000:
PCF2127T/2Y


New Product

NXP Semiconductors Real Time Clock Data Sheet 975
In Stock
Cut Tape
1: $4.12
10: $3.31
100: $3.01
250: $2.72
Reel
1,000: $2.06
2,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
Clock, Calendar, Alarm, Watchdog, Timestamp I2C, SPI Binary Binary 512 B 4.2 V 1.8 V + 80 C - 30 C SMD/SMT SOP-16 Reel
NXP Semiconductors PCA2129T/Q900/2,51
Enlarge
771-PCA2129TQ900251


To purchase full reel, order in multiples of 1000:
PCA2129T/Q900/2,51


New Product

NXP Semiconductors Real Time Clock Data Sheet 500
In Stock
Cut Tape
1: $4.82
10: $3.87
100: $3.52
250: $3.18
Reel
1,000: $2.41
2,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 1,000
Clock, Calendar, Alarm, Watchdog, Timestamp I2C, SPI Binary Binary 4.2 V 1.8 V + 80 C - 30 C SMD/SMT SOP-16 Reel
NXP Semiconductors PCF2129T/2,518
Enlarge
771-PCF2129T/2,518


To purchase full reel, order in multiples of 1000:
PCF2129T/2,518


New Product

NXP Semiconductors Real Time Clock RTC with Integrated Quartz Crystal Data Sheet 492
In Stock
Cut Tape
1: $3.08
25: $2.77
100: $2.27
500: $2.04
Reel
1,000: $2.04
1,500: View



Min.: 1
Mult.: 1
Reel: 1,000
Clock, Calendar, Alarm, Watchdog, Timestamp I2C, SPI Binary Binary 4.2 V 1.8 V + 80 C - 30 C SMD/SMT SOP-16 Reel
Maxim Integrated DS3231SN#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		18,023
In Stock
Alternative Packaging
1: $9.59
25: $6.72
50: $4.69
500: $4.23



Min.: 1
Mult.: 1
Clock, Calendar I2C DW:DM:M:Y HH:MM:SS 5.5 V 2.3 V + 85 C - 40 C SMD/SMT SOIC-16 Bulk
Maxim Integrated DS12887+
Enlarge		 Maxim Integrated Real Time Clock RTC Page 345

 Data Sheet 		6,320
In Stock
1: $11.72
25: $8.21
50: $5.74
250: $5.68
500: View



Min.: 1
Mult.: 1
Clock, Calendar, Alarm Multiplexed DW:DM:M:Y HH:MM:SS 114 B 5.5 V 4.5 V + 70 C 0 C Through Hole EDIP-24 Tube
Maxim Integrated DS3232S#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		5,703
In Stock
More Info Available
Alternative Packaging
1: $8.57
25: $6.00
50: $4.19
500: $3.78



Min.: 1
Mult.: 1
Clock, Calendar I2C DW:DM:M:Y HH:MM:SS 236 B 5.5 V 2.3 V + 70 C 0 C SMD/SMT SOIC-20 Tube
STMicroelectronics M48T18-100PC1
Enlarge		 STMicroelectronics Real Time Clock 64K (8Kx8) 100ns Page 291

 Data Sheet 		1,909
In Stock
1: $18.72
10: $15.75
100: $14.49
250: $13.21
500: View



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM Parallel DW:DM:M:Y HH:MM:SS 8 KB 5.5 V 4.5 V + 70 C 0 C Through Hole PDIP-28 Tube
Maxim Integrated DS1243Y-120+
Enlarge		 Maxim Integrated Real Time Clock 64k NV SRAM w/Phantom Clock Data Sheet 1,134
In Stock
1: $20.76
25: $16.32
50: $14.77
100: $14.53
250: $13.70



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM Parallel DW:DM:M:Y HH:MM:SS:hh 8 KB 5.5 V 4.5 V + 70 C 0 C Through Hole EDIP-28 Tube
Maxim Integrated DS3231S#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		6,699
In Stock
Alternative Packaging
1: $8.34
25: $5.84
50: $4.08
500: $3.59



Min.: 1
Mult.: 1
Clock, Calendar Serial HH:MM:SS 5.5 V 2.3 V + 70 C 0 C SMD/SMT SOIC-16 Tube
Maxim Integrated DS3234SN#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		5,787
In Stock
Alternative Packaging
1: $9.87
25: $6.91
50: $4.83
500: $4.24



Min.: 1
Mult.: 1
Clock, Calendar, Alarm, Interrupt Serial HH:MM:SS 256 B 5.5 V 2 V + 85 C - 40 C SMD/SMT SOIC-20 Bulk
Maxim Integrated DS3234S#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		6,764
In Stock
Alternative Packaging
1: $8.58
25: $6.01
50: $4.19
500: $3.69



Min.: 1
Mult.: 1
Clock, Calendar, Alarm, Interrupt Serial HH:MM:SS 256 B 5.5 V 2 V + 70 C 0 C SMD/SMT SOIC-20 Bulk
Texas Instruments BQ4847YMT
Enlarge		 Texas Instruments Real Time Clock RTC with NVSRAM Page 398

 Data Sheet

 Product Info. 		1,119
In Stock
More Info Available
1: $19.23
10: $18.09
25: $16.95
50: $16.63
100: View



Min.: 1
Mult.: 1
Clock, Calendar, Supervisor Parallel HH:MM:SS 5.5 V 4.5 V + 70 C 0 C Through Hole DIP-28 Tube
DP8573AV/NOPB


New At Mouser

Texas Instruments Real Time Clock Data Sheet

 Product Info. 		638
In Stock
1: $17.47
10: $15.90
25: $14.72
50: $14.07
100: View



Min.: 1
Mult.: 1
Clock, Calendar Parallel DW:DM:M:Y HH:MM:SS:hh 32 B 5.5 V 4.5 V + 85 C - 40 C SMD/SMT PLCC-28 Tube
Maxim Integrated DS1644-120+
Enlarge		 Maxim Integrated Real Time Clock NV Timekeeping RAM Data Sheet 388
In Stock
1: $39.97
25: $27.99
50: $19.56
250: $19.38
500: View



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM Parallel HH:MM:SS 32768 B 5.5 V 4.5 V + 70 C 0 C Through Hole eDIP Tube
Maxim Integrated DS1307ZN+T&R
Enlarge
700-DS1307ZNT&R


To purchase full reel, order in multiples of 2500:
Maxim Integrated Real Time Clock 64x8 Serial I2C RTC Page 345

 Data Sheet 		5,126
In Stock
More Info Available
Alternative Packaging
Cut Tape
1: $3.55
25: $3.35
50: $2.27
100: $1.66
250: View
2,500: $1.49

MouseReel Available


Min.: 1
Mult.: 1
Reel: 2,500
Clock, Calendar I2C DW:DM:M:Y HH:MM:SS 56 B 5.5 V 4.5 V + 85 C - 40 C SMD/SMT SOIC-8 Reel
Maxim Integrated DS1554-70+
Enlarge		 Maxim Integrated Real Time Clock 256kB NV RAM Timekeeper Data Sheet 528
In Stock
1: $36.25
25: $25.39
50: $17.74
250: $17.20
500: View



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM, Watchdog Timekeeper Parallel DW:DM:M:Y HH:MM:SS 32 KB 5.5 V 4.5 V + 70 C 0 C Through Hole EDIP-32 Tube
Maxim Integrated DS1307Z+
Enlarge		 Maxim Integrated Real Time Clock 64x8 Serial I2C RTC Page 345

 Data Sheet 		4,608
In Stock
Alternative Packaging
1: $3.51
25: $2.46
50: $1.72
500: $1.61
1,000: $1.58



Min.: 1
Mult.: 1
Clock, Calendar I2C YY:MM:DD HH:MM:SS 56 B 5.5 V 4.5 V + 70 C 0 C SMD/SMT SOIC-8 Tube
Maxim Integrated DS1391U-33+
Enlarge		 Maxim Integrated Real Time Clock Low-V SPI/3-Wire With Trickle Charger Page 345

 Data Sheet 		6,200
In Stock
Alternative Packaging
1: $3.77
25: $2.64
50: $2.15
100: $1.89
250: View



Min.: 1
Mult.: 1
Clock, Calendar, Alarm, Trickle Charger SPI YY:MM:DD HH:MM:SS:hh 5.5 V 2.97 V + 85 C - 40 C SMD/SMT MSOP-10 Tube
Maxim Integrated DS1554-70IND+
Enlarge		 Maxim Integrated Real Time Clock 256kB NV RAM Timekeeper Page 345

 Data Sheet 		685
In Stock
1: $40.33
25: $27.92
50: $20.17
100: $18.95
1,000: Quote



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM, Watchdog Timekeeper Parallel HH:MM:SS 32768 B 5.5 V 4.5 V + 85 C - 40 C Through Hole eDIP Tube
Maxim Integrated DS3232SN#
Enlarge		 Maxim Integrated Real Time Clock Integrated RTC/TCXO/Crystal Page 345

 Data Sheet 		2,208
In Stock
Alternative Packaging
1: $9.87
25: $6.91
50: $4.83
500: $4.24



Min.: 1
Mult.: 1
Clock, Calendar I2C DW:DM:M:Y HH:MM:SS 236 B 5.5 V 2.3 V + 85 C - 40 C SMD/SMT SOIC-20 Bulk
Maxim Integrated Real Time Clock Timekeeping NV RAM Page 345

 Data Sheet 		417
In Stock
1: $39.07
25: $27.36
50: $19.11
250: $18.95
500: View



Min.: 1
Mult.: 1
Clock, Calendar, NV Timekeeping RAM Parallel HH:MM:SS 32768 B 3.63 V 2.97 V + 85 C - 40 C Through Hole eDIP Tube
Maxim Integrated DS17285SN-5+
Enlarge		 Maxim Integrated Real Time Clock 3V/5V RTC K Multiplexed Kick-S Page 345

 Data Sheet 		1,840
In Stock
1: $11.14
25: $7.80
50: $5.46
250: $5.29
500: View



Min.: 1
Mult.: 1
Clock, Calendar, Alarm Multiplexed YYYY:MM:DD HH:MM:SS 2048 B 5.5 V 4.5 V + 85 C - 40 C SMD/SMT SOIC-24 Tube
Maxim Integrated DS1244Y-70+
Enlarge		 Maxim Integrated Real Time Clock 256k NV SRAM w/Phantom Clock Data Sheet 375
In Stock
1: $24.30
25: $19.10
50: $17.30
100: $17.03
250: $16.05



Min.: 1
Mult.: 1
Clock, Calendar, NV SRAM Control Parallel DW:DM:M:Y HH:MM:SS:hh 32 KB 5.5 V 4.5 V + 70 C 0 C Through Hole DIP-28 Tube
Maxim Integrated DS1374C-33#
Enlarge		 Maxim Integrated Real Time Clock I2C 32-Bit Binary Counter Watchdog Page 345

 Data Sheet 		2,358
In Stock
Alternative Packaging
1: $6.92
25: $4.85
50: $3.39
500: $3.18
1,000: $3.11



Min.: 1
Mult.: 1
Clock, Calendar, Watchdog Timer, Counter I2C Binary Binary 3 B 5.5 V 2.97 V + 85 C - 40 C SMD/SMT SOIC-16 Tube
Texas Instruments BQ4842YMA-85
Enlarge		 Texas Instruments Real Time Clock W/28Kx8 NVSRAM Page 398

 Data Sheet

 Product Info. 		267
In Stock
1: $57.23
10: $54.94
25: $51.48
50: $50.13
100: View



Min.: 1
Mult.: 1
Clock, Calendar, Alarm, Timer Interrupt Parallel HH:MM:SS:hh 131072 B 5.5 V 4.5 V + 70 C 0 C Through Hole DIP-32 Tube
Compare up to 20 parts.
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