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Compare Image Name Manufacturer Pricing(USD) ECAD 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Access Time Screening Level Memory Size Memory Type Function Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
X1228V14I-2.7 X1228V14I-2.7 Intersil (Renesas Electronics America) 0.0000
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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
MCP7940MT-I/ST MCP7940MT-I/ST Microchip Technology 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant Lead Free No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 1μA @ 5.5V
DS1682S/T&R DS1682S/T&R Maxim Integrated 0.0000
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0.00000000 Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Elapsed Time Counter DS1682 Alarm, EEPROM 8-SOIC 10B 2.5V~5.5V Binary Binary 4μA~15μA @ 3V~5.5V
MCP79510T-I/MS MCP79510T-I/MS Microchip Technology 0.0000
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0.00000000 download 16 Weeks Surface Mount Tape & Reel (TR) 2012 Active 2 (1 Year) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79510 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
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
X1227V8Z-2.7 X1227V8Z-2.7 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°C 4.4mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 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 NO I2C 1 YY-MM-DD-dd
AB-RTCMC-32.768KHZ-B5GA-S3-T AB-RTCMC-32.768KHZ-B5GA-S3-T Abracon LLC 0.0000
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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C 3V RoHS Compliant Lead Free No 10 10-SMD Module I2C, 2-Wire Serial 5.5V 1.8V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output Module Clock 1.2V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.45μA~0.55μA @ 2V~5V
DS1302ST DS1302ST Maxim Integrated 0.0000
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0.00000000 download yes 1 8 EAR99 5.31mm Non-RoHS Compliant Contains Lead BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 5.285mm CMOS 2.13mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 COMMERCIAL YES 1.27mm R-PDSO-G8 2V 70°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES SERIAL, 3-WIRE
ISL12022MAIBZ ISL12022MAIBZ Intersil 0.0000
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0.00000000
X1227V8I X1227V8I 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 -40°C~85°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-33+ DS1315S-33+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2011 yes Active 1 (Unlimited) 16 EAR99 3.3V 10.3mm ROHS3 Compliant Lead Free No 16 16-SOIC (0.295, 7.50mm Width) Parallel Unknown 7.5mm Surface Mount 665.986997mg 0°C~70°C CMOS 2.65mm 8542.39.00.01 Phantom Time Chip e3 MATTE TIN DUAL 260 3.3V 30 DS1315 16 1.27mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
ISL12028IBZ-T ISL12028IBZ-T Intersil 0.0000
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0.00000000
DS1374U-3+T&R DS1374U-3+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3.3V 2.97V Surface Mount -40°C~85°C Binary Counter DS1374 Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer 10-uMAX Clock, Counter 2.7V~3.3V Binary Binary 125μA @ 2.7V~3.3V 1.3V~3.7V
ISL12029IBZ-T ISL12029IBZ-T Renesas Electronics America 0.0000
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0.00000000 download Cut Tape (CT) 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
ISL12026AIBZ-T ISL12026AIBZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download 19 Weeks Surface Mount Tape & Reel 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8, 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
DS1557WP-120IND+ DS1557WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Surface Mount Tray 2003 yes Active 3 (168 Hours) 34 EAR99 3.3V ROHS3 Compliant Lead Free No 34 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS1557 34 Timer or RTC Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
RV-3028-C7 32.768KHZ 1PPM TA QC RV-3028-C7 32.768KHZ 1PPM TA QC Micro Crystal 0.0000
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0.00000000 download Tape and Reel RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Battery Backup HH:MM:SS DW:DM:M:Y
X1288S16 X1288S16 Intersil (Renesas Electronics America) 6.7814
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0.00000000 download Surface Mount Bulk 2005 1 (Unlimited) 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 1.27mm R-PDSO-G16 4.5V Timer or RTC Not Qualified 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
DS1315EN-33/T&R DS1315EN-33/T&R Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) 85°C -40°C 3.3V Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 3.6V 3V Surface Mount -40°C~85°C Phantom Time Chip DS1315 Leap Year 20-TSSOP Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
ISL12022MAIBZ-T ISL12022MAIBZ-T Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant CASE NO : 64026634 20-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 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
DS1338Z-3 DS1338Z-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2009 yes Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1338 8 YES 1.27mm Timer or RTC Not Qualified 3V Leap Year, NVSRAM, Square Wave Output 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 200μA @ 3.3V 1.3V~3.7V
IDT1338-31DVGI8 IDT1338-31DVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2006 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
BU9873F-GTE2 BU9873F-GTE2 ROHM Semiconductor 0.0000
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0.00000000 11 Weeks Surface Mount Cut Tape (CT) 2013 Active 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant 8 SEATED-HGT CALCULATED 8-SOIC (0.173, 4.40mm Width) I2C, 2-Wire Serial 4.4mm Surface Mount -40°C~85°C CMOS 1.71mm Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED 1.27mm Alarm, Leap Year 1.8V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 1μA~1.35μA @ 3V~5.5V
BU9873FVM-GTTR BU9873FVM-GTTR ROHM Semiconductor 0.0000
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0.00000000 11 Weeks Surface Mount Cut Tape (CT) 2013 Active 1 (Unlimited) 8 EAR99 2.9mm ROHS3 Compliant 8-VSSOP, 8-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial 2.8mm Surface Mount -40°C~85°C CMOS 0.9mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED 0.65mm R-PDSO-G8 Alarm, Leap Year 1.8V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 1μA~1.35μA @ 3V~5.5V
DS1554P-70IND DS1554P-70IND Maxim Integrated 0.0000
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0.00000000 download Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED DS1554 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1340C-33# DS1340C-33# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 16 EAR99 3.3V 18.1mm ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 2.35mm 7.6mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 DUAL 260 3.3V 40 DS1340 16 1.27mm Leap Year, Trickle-Charger Clock 2.97V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C YY-MM-DD-dd 150μA @ 5.5V 1.3V~5.5V
DS17485-3 DS17485-3 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3V 20 DS17485 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1315-33+ DS1315-33+ Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Through Hole Tube 2011 yes Active 1 (Unlimited) 16 EAR99 3.3V 19.175mm ROHS3 Compliant Lead Free No 16 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole 0°C~70°C CMOS 4.572mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 16 2.54mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
X1288V14-2.7A X1288V14-2.7A Renesas Electronics America 0.0000
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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 X1288 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
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
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