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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series 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 SVHC 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 Load Capacitance 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
IDT1337SOI IDT1337SOI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 RoHS Compliant 16 SOIC
RX-8035LC:B3 PURE SN RX-8035LC:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 12-VSOJ 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
ISL1218IBZ-T ISL1218IBZ-T Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12027IV27AZ ISL12027IV27AZ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
RX-8581NB:B3PURESN RX-8581NB:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
X1227V8Z-2.7 X1227V8Z-2.7 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
RX-8803SA:UB0 PURE SN RX-8803SA:UB0 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RV5C348B-E2-F RV5C348B-E2-F Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) 4-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 10-SSOP-G 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
1339C-31SRI 1339C-31SRI Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Last Time Buy 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 16-SOIC 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
ISL1221IUZ ISL1221IUZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1244WP-120 DS1244WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel 120GHz Surface Mount 0°C~70°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC 5V Leap Year, NVSRAM Clock 120 ns 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1305EN DS1305EN Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 20-TSSOP (0.173, 4.40mm Width) SPI not_compliant 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
ISL12025IVZ ISL12025IVZ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 8-TSSOP 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
ISL12022IBZ-T7A ISL12022IBZ-T7A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1747WP-120 DS1747WP-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 25.019mm Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel 23.495mm Surface Mount 0°C~70°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1747 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 10pF 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V 3V
DS1500Y DS1500Y Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 32 EAR99 5V 18.4mm Non-RoHS Compliant Contains Lead No 32-DIP Module (0.600, 15.24mm) Parallel 8mm Through Hole 0°C~70°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1500 32 0.5mm R-PDSO-G32 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
DS1340Z-33+T&R DS1340Z-33+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 5.5V Unknown 2.97V Surface Mount 540.001716mg -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-SOIC Clock 2.97V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
MCP7940M-I/MS MCP7940M-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tube 2007 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial No SVHC 950μm 3mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M YES 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1μA @ 5.5V
BQ3287AMT-SB2 BQ3287AMT-SB2 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Through Hole no 24 EAR99 70°C 0°C 5V 33.72mm RoHS Compliant Contains Lead Tin No 24 DIP Parallel 5.5V No SVHC 4.5V 9.52mm 18.42mm CMOS 8473.30.11.80 DUAL 5V 24 COMMERCIAL 2.54mm Timer or RTC 5V Clock 114B HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd
RX8900SA:UB3PURESN RX8900SA:UB3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
X1205S8I X1205S8I Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1284QN+ DS1284QN+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2009 Obsolete 1 (Unlimited) 28 EAR99 11.505mm ROHS3 Compliant Lead Free ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P 28-LCC (J-Lead) Parallel unknown 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD NOT SPECIFIED 5V NOT SPECIFIED DS1284 28 YES 1.27mm S-PQCC-J28 Timer or RTC Not Qualified 5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y YES 1 YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
RX-8035LC:AC3 PURE SN RX-8035LC:AC3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
BQ4845YS-A4TR BQ4845YS-A4TR Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
RX-4803LC:UA3PURESN RX-4803LC:UA3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12025IBZ ISL12025IBZ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube yes Obsolete 1 (Unlimited) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C 1.75mm Clock/Calendar e3 MATTE TIN DUAL 260 3.3V 40 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1227V8IZ-4.5A X1227V8IZ-4.5A Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
X1227S8Z-2.7A X1227S8Z-2.7A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12029IB27AZ ISL12029IB27AZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
1338C-31SRI 1338C-31SRI Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1338 Leap Year, NVSRAM, Square Wave Output 16-SOIC 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
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