Real Time Clocks

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Part Details Brand Functions Date Format Time Format User RAM Bus Type Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Temperature Minimum Operating Supply Voltage
STMicroelectronics M41T60Q6F, Real Time Clock (RTC), 8B RAM Serial-I2C, 16-Pin QFN STMicroelectronics Battery Backup, Calendar DW:DM:M:Y HH:MM:SS 8B Serial-I2C Surface Mount QFN 16 3 x 3 x 0.88mm 3mm 3mm 0.88mm 4.4 V +85 °C -40 °C 1.3 V
Maxim DS1307Z+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin SOIC Maxim Battery Backup, Calendar, NV RAM YY:MM:DD HH:MM:SS 56B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +70 °C 0 °C 4.5 V
Maxim DS12887+, Real Time Clock (RTC), 114B RAM Multiplexed, 24-Pin EDIP Maxim Alarm, Battery Backup, Calendar, Power Fail Binary, DW:DM:M:Y Binary, HH:MM:SS 114B Multiplexed Through Hole EDIP 24 34.04 x 18.8 x 9.4mm 34.04mm 18.8mm 9.4mm 5.5 V +70 °C 0 °C 4.5 V
NXP PCF8563T/F4,112, Real Time Clock (RTC) Serial-2 Wire, Serial-I2C, 8-Pin SOIC
  • RS Stock No. 865-2208
  • Brand NXP
  • Mfr. Part No. PCF8563T/5
NXP Calendar, Clock YY:MM:DD:dd HH:MM:SS - Serial-2 Wire, Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.45mm 5mm 4mm 1.45mm 5.5 V +85 °C -40 °C 1.8 V
Epson RX-4045SA (AA), Real Time Clock (RTC) Serial, 14-Pin SOP Epson Calendar, Timer - - - Serial Surface Mount SOP 14 5 x 10.1 x 3.2mm 5mm 10.1mm 3.2mm 5.5 V +85 °C -40 °C 1.7 V
Intersil ISL1219IUZ, Real Time Clock (RTC), 2B RAM Serial-I2C, 10-Pin MSOP Intersil Alarm, Battery Backup, Calendar DW:DM:M:Y HH:MM:SS 2B Serial-I2C Surface Mount MSOP 10 3.05 x 3.05 x 0.95mm 3.05mm 3.05mm 0.95mm 5.5 V +85 °C -40 °C 2.7 V
Maxim DS1307+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin PDIP Maxim Alarm, Battery Backup, Calendar, Power Fail DW:DM:M:Y HH:MM:SS 56B Serial-I2C Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 9.91mm 7.87mm 4.45mm 5.5 V +70 °C 0 °C 4.5 V
Maxim DS1307N+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin PDIP Maxim Clock DM:M:DW:Y SS:MM:HH 56B Serial-I2C Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 9.91mm 7.87mm 4.45mm 5.5 V +85 °C -40 °C 4.5 V
Intersil ISL1208IB8Z, Real Time Clock (RTC), 2B RAM Serial-I2C, 8-Pin SOIC Intersil Alarm, Battery Backup, Calendar DW:DM:M:Y HH:MM:SS 2B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C -40 °C 2.7 V
Epson RX-4574LC B 5+/-23PPM, Real Time Clock (RTC) Serial, 12-Pin VSOJ
  • RS Stock No. 667-6274
  • Brand EPSON
  • Mfr. Part No. RX-4574LC B 5+/-23PPM
Epson Alarm, Calendar, Timer - - - Serial Surface Mount VSOJ 12 2.4 x 3.6 x 1.2mm 2.4mm 3.6mm 1.2mm 5.5 V +85 °C -40 °C 1.6 V
Microchip MCP79411-I/MS, Real Time Clock, 64B RAM Serial-2 Wire, Serial-I2C, 8-Pin MSOP Microchip Calendar DW:DM:M:Y HH:MM:SS 64B Serial-2 Wire, Serial-I2C Surface Mount MSOP 8 3 x 3 x 0.95mm 3mm 3mm 0.95mm 5.5 V +85 °C -40 °C 1.8 V
Maxim DS1388Z-33+, Real Time Clock (RTC), 512B RAM Serial-I2C, 8-Pin SOIC Maxim Battery Backup, Calendar, NV RAM DW:DM:M:Y HH:MM:SS 512B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 3.63 V +85 °C -40 °C 2.97 V
Intersil CDP68HC68T1MZ, Real Time Clock (RTC), 32B RAM Serial-SPI, 20-Pin SOIC W Intersil Alarm, Battery Backup, Calendar, Watchdog Timer DW:DM:M:Y HH:MM:SS 32B Serial-SPI Surface Mount SOIC W 20 13 x 7.6 x 2.35mm 13mm 7.6mm 2.35mm 6 V +85 °C -40 °C 3 V
STMicroelectronics M41T00SM6F, Real Time Clock (RTC), 8B RAM Serial-2 Wire, Serial-I2C, 8-Pin SOIC STMicroelectronics - DW:DM:M:Y HH:MM:SS 8B Serial-2 Wire, Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.25mm 5mm 4mm 1.25mm 5.5 V +85 °C -40 °C 2.7 V
Maxim DS1687-5+, Real Time Clock (RTC), 242B RAM Multiplexed, 24-Pin EDIP Maxim Alarm, Battery Backup, Calendar Binary, DW:DM:M:Y Binary, HH:MM:SS 242B Multiplexed Through Hole EDIP 24 34.04 x 18.8 x 9.4mm 34.04mm 18.8mm 9.4mm 5.5 V +70 °C 0 °C 4.5 V
Maxim DS1306+, Real Time Clock (RTC), 96B RAM Serial-SPI, 16-Pin PDIP Maxim Alarm, Battery Backup, Calendar DW:DM:M:Y HH:MM:SS 96B Serial-SPI Through Hole PDIP 16 19.43 x 7.87 x 4.45mm 19.43mm 7.87mm 4.45mm 5.5 V +70 °C 0 °C 2 V
STMicroelectronics M41T81SM6F, Real Time Clock (RTC), 20B RAM Serial-I2C, 8-Pin SOIC STMicroelectronics Calendar D:D:M:Y:C HH:MM:SS:HSS 20B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C -40 °C 2.7 V
Maxim DS12887A+, Real Time Clock (RTC), 114B RAM Multiplexed, 24-Pin EDIP Maxim Alarm, Calendar Binary, DW:DM:M:Y Binary, HH:MM:SS 114B Multiplexed Through Hole EDIP 24 34.04 x 18.29 x 9.4mm 34.04mm 18.29mm 9.4mm 5.5 V +70 °C 0 °C 4.5 V
Maxim DS3231SN#, Real Time Clock (RTC) Serial-I2C, 16-Pin SOIC Maxim Battery Backup, Calendar DW:DM:M:Y HH:MM:SS - Serial-I2C Surface Mount SOIC 16 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm 5.5 V +85 °C -40 °C 2.3 V
Intersil ISL12024IBZ, Real Time Clock, 512B RAM Serial-I2C, 8-Pin SOIC Intersil Alarm, Battery Backup, Calendar, Switch Over DW:DM:M:Y HH:MM:SS 512B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V +85 °C -40 °C 2.7 V
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