Real Time Clocks

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Part Details Brand Functions Recently Introduced Date Format Time Format User RAM Bus Type Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Minimum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Temperature
Microchip MCP795W20-I/SL, Real Time Clock (RTC), 64B RAM Serial, 14-Pin SOIC Microchip Calendar - DW:M:Y:LY HH:MM:SS:HSS 64B Serial Surface Mount SOIC 14 8.65 x 3.9 x 1.25mm 8.65mm 3.9mm 1.25mm 3.6 V 1.8 V +85 °C -40 °C
32-Bit Counter Watchdog Clock I2C uSOP8 Maxim - - - - - - - - - - - - - - - -
Real-Time Clock 114B RAM 5V EDIP24 Maxim - - - - - - - - - - - - - - - -
Serial Real-Time Clock I2C uSOP8 Maxim - - - - - - - - - - - - - - - -
NXP PCF8563T/5, 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 1.8 V +85 °C -40 °C
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 2.7 V +85 °C -40 °C
Epson Q41404551000101, Real Time Clock (RTC) Serial, 14-Pin SOP
  • RS Stock No. 667-6271
  • Brand EPSON
  • Mfr. Part No. Q41404551000101
Epson Calendar, Timer - - - - Serial Surface Mount SOP 14 5 x 10.1 x 3.2mm 5mm 10.1mm 3.2mm 5.5 V 1.7 V +85 °C -40 °C
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 4.5 V +70 °C 0 °C
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 4.5 V +70 °C 0 °C
Maxim DS1307Z+T&R, 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 4.5 V +70 °C 0 °C
NXP PCF8563TS/4, Real Time Clock (RTC) Serial-I2C, 8-Pin TSSOP
  • RS Stock No. 511-103
  • Brand NXP
  • Mfr. Part No. PCF8563TS/4
NXP Alarm, Battery Backup, Calendar, Watchdog Timer - DW:DM:M:Y HH:MM:SS - Serial-I2C Surface Mount TSSOP 8 3.1 x 3.1 x 0.95mm 3.1mm 3.1mm 0.95mm 5.5 V 1.8 V +85 °C -40 °C
Maxim DS3231MZ+, Real Time Clock (RTC) Serial-I2C, 8-Pin SOIC Maxim Battery Backup, Calendar - Binary HH:MM:SS - Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V 2.3 V +85 °C -40 °C
STMicroelectronics M41T56M6F, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC STMicroelectronics Calendar, Chip Deselect, Switch Over - DW:DM:M:Y HH:MM:SS 64B Serial-I2C Surface Mount SOIC 8 4.9 x 3.9 x 1.25mm 4.9mm 3.9mm 1.25mm 5.5 V 4.5 V +85 °C -40 °C
Maxim DS1307Z+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin SOIC Maxim Alarm, Battery Backup, Calendar, Power Fail - DW:DM:M:Y HH:MM:SS 56B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V 4.5 V +70 °C 0 °C
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 4.5 V +70 °C 0 °C
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 4.5 V +85 °C -40 °C
Maxim DS3232MZ+, Real Time Clock (RTC), 236B RAM Serial-I2C, 8-Pin SOIC Maxim Calendar - DD:M:Y SS:MM:HH 236B Serial-I2C Surface Mount SOIC 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 4.5 V 2.3 V +85 °C -40 °C
Microchip MCP7940N-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP Microchip Calendar - DW:DM:M:Y HH:MM:SS 64B Serial-I2C Through Hole PDIP 8 10.16 x 7.11 x 4.95mm 10.16mm 7.11mm 4.95mm 5.5 V 1.8 V +85 °C -40 °C
STMicroelectronics M48T58Y-70PC1, Real Time Clock (RTC), 8192B RAM Parallel, 28-Pin PCDIP STMicroelectronics Battery Backup, Calendar, Chip Deselect, Switch Over, Write Protection - DW:DM:M:Y HH:MM:SS 8192B Parallel Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V 4.5 V +70 °C 0 °C
STMicroelectronics M48T35Y-70PC1, Real Time Clock (RTC), 32768B RAM Parallel, 28-Pin PCDIP STMicroelectronics Battery Backup, Calendar, Chip Deselect, Switch Over, Write Protection - DW:DM:M:Y HH:MM:SS 32768B Parallel Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V 4.5 V +70 °C 0 °C
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