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RTCs

Compare Image Name Manufacturer Pricing(USD) ECAD Quantity Weight(Kg) Size(LxWxH) Datasheet Mount Packaging Published Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Number of Terminals Logic Function Access Time Memory Size Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1251W-120 DS1251W-120 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Tube 2005 Obsolete 1 (Unlimited) 32 EAR99 43.053mm Non-RoHS Compliant Contains Lead 32-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.922mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
DS17885-3+ DS17885-3+ Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube yes Obsolete 1 (Unlimited) 24 31.75mm ROHS3 Compliant 24-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 5.08mm Clock/Calendar e3 MATTE TIN DUAL 260 3V 30 24 NO 2.54mm R-PDIP-T24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
X1286V14 X1286V14 Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1286 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
IDT1339C-2SOGI IDT1339C-2SOGI Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 RoHS Compliant 16 SOIC
X1286A8IT1 X1286A8IT1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) 2005 1 8 EAR99 85°C -40°C 5.255mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 5.23mm CMOS 2.03mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 8 INDUSTRIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd
1337DCGI8 1337DCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 icon-pbfree yes 1 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V 8 TIMER, REAL TIME CLOCK SECONDS Y I2C 1
DS1302SN DS1302SN Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 8-SO 31B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
X1226V8T2 X1226V8T2 Intersil Corporation 0.0000
RFQ

Min: 1

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0.00000000 3 EAR99 4.4mm Non-RoHS Compliant not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 8 COMMERCIAL YES 0.65mm R-PDSO-G8 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
X1286V14 X1286V14 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Bulk 2005 14 EAR99 70°C 0°C 5mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 14 COMMERCIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
DS1685E3+T DS1685E3+T Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 yes 1 24 EAR99 7.8mm RoHS Compliant Lead Free compliant 4.4mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3V NOT SPECIFIED 24 COMMERCIAL YES 0.65mm R-PDSO-G24 2.7V 70°C Timer or RTC Not Qualified 3V 3.7V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES PARALLEL, MUXED BUS 1
BQ4845YS-A4NG4 BQ4845YS-A4NG4 Texas Instruments 0.0000
RFQ

Min: 1

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0.00000000 no 28 EAR99 17.9705mm Non-RoHS Compliant Contains Lead 28 SOIC 7.5565mm CMOS 2.667mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 5V NOT SPECIFIED 28 INDUSTRIAL YES 1.27mm 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, DIRECT ADDRESS 1
RTC-7301SF:BROHS RTC-7301SF:BROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
IDT1337GDCGI IDT1337GDCGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount 85°C -40°C 5mm RoHS Compliant 8 SOIC 2-Wire, I2C, Serial 5.5V 1.8V 1.5mm 4mm HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1227V8I-4.5A X1227V8I-4.5A Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 8 EAR99 85°C -40°C 4.4mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 5V 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
RTC-4574SA:B0:ROHS RTC-4574SA:B0:ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount 85°C -40°C 3V RoHS Compliant 14 SOIC Serial 5.5V 1.6V 338.011364mg Clock HH:MM:SS YY-MM-DD-dd
DP8570AVX DP8570AVX Rochester Electronics 0.0000
RFQ

Min: 1

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0.00000000 Tape & Reel (TR) Obsolete 2A (4 Weeks) Non-RoHS Compliant 28-LCC (J-Lead) Parallel Surface Mount -40°C~85°C Timer Clock Peripheral (TCP) Alarm, Leap Year 28-PLCC (11.51x11.51) 44B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
X1288V14-2.7T1 X1288V14-2.7T1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 5mm Non-RoHS Compliant not_compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 COMMERCIAL YES 0.65mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
DS12885Q/T&R DS12885Q/T&R Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 3 (168 Hours) Non-RoHS Compliant 28-LCC (J-Lead) Parallel Surface Mount Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 28-PLCC (11.51x11.51) 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5V~4V
PCA8565TS-T PCA8565TS-T NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
X1288S16I-2.7T1 X1288S16I-2.7T1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 10.3mm Non-RoHS Compliant not_compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V NOT SPECIFIED 16 INDUSTRIAL YES 1.27mm R-PDSO-G16 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 16 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1
X1228V14I-2.7 X1228V14I-2.7 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 1 14 EAR99 85°C -40°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 INDUSTRIAL 0.65mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1685QN-3 DS1685QN-3 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 28 11.505mm Non-RoHS Compliant 28-LCC (J-Lead) Parallel unknown 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm Clock/Calendar e0 TIN LEAD QUAD NOT SPECIFIED 3V NOT SPECIFIED 28 YES 1.27mm S-PQCC-J28 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS2404B+ DS2404B+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk yes 1 16 EAR99 85°C -40°C 6.2mm RoHS Compliant Lead Free No 16 1 HZ FIXED O/P; 64-BIT LASERED ROM; TIMEKEEPING CURRENT = 350NA SSOP 5.5V 2.8V 5.29mm CMOS 1.99mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 16 INDUSTRIAL 0.65mm Clock 512B 0.032MHz SERIAL, 3-WIRE Binary
PCF2129T/1,512 PCF2129T/1,512 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 download Non-RoHS Compliant
RX-4574LC:B3PURESN RX-4574LC:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1305EN DS1305EN Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, NVSRAM, Trickle-Charger 20-TSSOP 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1306E/T&R DS1306E/T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 70°C 0°C Non-RoHS Compliant Contains Lead Tin No 20 20-TSSOP (0.173, 4.40mm Width) SPI 5.5V 2V Surface Mount -40°C~85°C Clock/Calendar DS1306 Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 20-TSSOP Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1251WP-120IND DS1251WP-120IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 3A991.B.2.A 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8473.30.11.40 Phantom Time Chip e0 TIN LEAD DUAL 225 3.3V 30 DS1251 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1340U-33T DS1340U-33T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download yes 1 8 EAR99 3mm RoHS Compliant Contains Lead compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 2.97V 85°C -40°C Timer or RTC Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C
RX-4581NB:B:ROHS RX-4581NB:B:ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount 85°C -40°C RoHS Compliant 22 SPI 16B HH:MM:SS (24 hr) YY-MM-DD-dd
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