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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 Thickness 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) Voltage Feature Supplier Device Package Number of Terminals Source Url Status Check Date Logic Function Access Time Accuracy Screening Level Memory Size Memory Type Function RAM Size Number of Bits Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
M41T93ZMY6E M41T93ZMY6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI not_compliant 7.62mm Surface Mount -40°C~85°C CMOS 2.69mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 3V 30 M41T93 18 1.27mm Timers or RTCs Not Qualified 2.4/5.5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 2.38V~5.5V HH:MM:SS:hh (24 hr) 10MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
DS1302SN-16 DS1302SN-16 Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2001 no Obsolete 1 (Unlimited) 16 EAR99 3.3V 10.3mm Non-RoHS Compliant Contains Lead No 16 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 16-SOIC (0.295, 7.50mm Width) 3-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 3.3V DS1302 16 1.27mm Timer or RTC 3/5V Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
DS1685E-3 DS1685E-3 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 24 7.8mm Non-RoHS Compliant 24-TSSOP (0.173, 4.40mm Width) Parallel unknown 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm Clock/Calendar e0 TIN LEAD DUAL 240 3V 20 24 YES 0.65mm R-PDSO-G24 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
PCF8593T,118 PCF8593T,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Surface Mount Tape and Reel 85°C -40°C RoHS Compliant 8 SO 6V 1V 8 2013-06-14 00:00:00 HH:MM:SS:hh
X1227V8 X1227V8 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS 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 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1315S-5 DS1315S-5 Maxim Integrated 0.0000
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0.00000000 download Tube 1999 yes Obsolete 1 (Unlimited) 16 EAR99 10.3mm Non-RoHS Compliant Contains Lead 16-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 YES 1.27mm R-PDSO-G16 Timer or RTC Not Qualified 5V Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS1342U+ DS1342U+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2012 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar DUAL 3V DS1342 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA~0.7μA @ 3V~5V
ISL12026IBZ-T ISL12026IBZ-T Intersil 0.0000
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0.00000000
ISL12029IBZ ISL12029IBZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Bulk 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.75mm RoHS Compliant Lead Free No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 1.5mm 4mm CMOS 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
ISL12020MIRZ-T7A ISL12020MIRZ-T7A Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 4 Weeks Surface Mount Cut Tape (CT) 2005 Active 1 20 EAR99 85°C -40°C 5.5mm RoHS Compliant Lead Free No 14 DFN 2-Wire, I2C, Serial 5.5V Unknown 2.7V 4mm CMOS 1.3mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3V 20 INDUSTRIAL 0.5mm R-PDSO-N20 Timers or RTCs 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
DS1500Y DS1500Y Maxim Integrated 0.0000
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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
DS1305E+T&R DS1305E+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 20 20-TSSOP (0.173, 4.40mm Width) SPI Surface Mount 0°C~70°C Clock/Calendar DS1305 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
DS1340C-18# DS1340C-18# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 1.8V 40 DS1340 16 YES 1.27mm R-PDSO-G16 Not Qualified Leap Year, Trickle-Charger 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
X1288S16I-2.7T1 X1288S16I-2.7T1 Intersil Corporation 0.0000
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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
1337GNLGI8 1337GNLGI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 3 (168 Hours) 16-VFQFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 16-QFN (3x3) 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
M48T12-200PC1 M48T12-200PC1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 24 EAR99 5V 34.545mm ROHS3 Compliant 24 24-DIP Module (0.600, 15.24mm) Parallel 200GHz Through Hole 0°C~70°C CMOS 9.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 10 M48T12 24 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 200 ns 15.6kB 80mA 4.5V~5.5V HH:MM:SS (24 hr) 8 2040 8 SECONDS N NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
PT7C4307WEX-2017 PT7C4307WEX-2017 Diodes Incorporated 0.0000
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0.00000000 download Tape and Reel Obsolete RoHS Compliant 8 Clock/Calendar/Alarm/Interrupt/Square-Wave Output HH:MM:SS DW:DM:M:Y
DS17485S-3+T&R DS17485S-3+T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel 2012 Lead Free
1337GDCGI 1337GDCGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Bulk 2006 yes Discontinued 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 1.8V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 2/5V Clock 8 HH:MM:SS 0.4MHz SECONDS Y I2C 1 YY-MM-DD-dd
RX-8581NB:B3 RX-8581NB:B3 EPSON 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) RX-8581NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant Contains Lead 22 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON Clock 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
ISL12027IV27AZ ISL12027IV27AZ Rochester Electronics 0.0000
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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
X1205S8Z X1205S8Z Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 2004 1 (Unlimited) 8 EAR99 70°C 0°C 4.9mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
M48T128Y-70PM1 M48T128Y-70PM1 STMicroelectronics 0.0000
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0.00000000 download Through Hole Tube Timekeeper® Obsolete 1 (Unlimited) 32 EAR99 5V 43.18mm ROHS3 Compliant Lead Free 32 32-DIP Module (0.600, 15.24mm) Parallel No SVHC 70GHz 9.52mm 18.8mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 225 5V NOT SPECIFIED M48T128 32 2.54mm Timer or RTC Not Qualified 5V Leap Year Clock 70 ns 128kB SRAM 4.5V~5.5V HH:MM:SS (24 hr) 128000 SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V
MCP7940NT-E/MS MCP7940NT-E/MS Microchip Technology 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount 139.989945mg -40°C~125°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N YES 0.65mm Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS2404B+ DS2404B+ Maxim Integrated 0.0000
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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
DS1394U-33+ DS1394U-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 10 EAR99 3.3V 3.05mm ROHS3 Compliant Tin No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI Unknown 950μm 3.05mm Surface Mount 143.193441mg -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 DUAL 260 3.3V 30 DS1394 10 0.5mm Timers or RTCs 75V Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz Y NO SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 175μA @ 2.97V~5.5V 1.3V~5.5V
M41T56M6E M41T56M6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 8 EAR99 5V 4.9mm Non-RoHS Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.25mm 3.9mm Surface Mount -40°C~85°C CMOS Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 5V 30 M41T56 8 1.27mm Timer or RTC 5V Leap Year, NVSRAM Clock 56B 4.5V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N YES I2C YY-MM-DD-dd 100μA Typ @ 4.5V~5.5V 2.5V~3.5V
DS1391U+33 DS1391U+33 Maxim Integrated 0.0000
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0.00000000 download Bulk 2012 yes 1 10 EAR99 3mm RoHS Compliant compliant 3mm CMOS 1.1mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 10 INDUSTRIAL YES 0.5mm S-PDSO-G10 2.97V 85°C -40°C Timers or RTCs Not Qualified 3.3V 5.5V TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES SERIAL, 3-WIRE 1
PCF85163TS/1,118 PCF85163TS/1,118 NXP Semiconductors 0.0000
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0.00000000
RTC-72421B: PURE SN RTC-72421B: PURE SN EPSON 0.0000
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0.00000000 download RTC-72421 Not For New Designs 1 (Unlimited) ROHS3 Compliant 18-DIP (0.300, 7.62mm) Parallel Through Hole -10°C~70°C Clock/Calendar Leap Year 4.5V~5.5V HH:MM:SS (12/24 hr) 5μA~10μA @ 2V~5V
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