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
Texas Instruments BQ4802LYPW, Real Time Clock (RTC), 16B RAM Parallel, 28-Pin TSSOP Texas Instruments Alarm, Battery Backup, Calendar, NV SRAM - DW:DM:M:Y HH:MM:SS 16B Parallel Surface Mount TSSOP 28 9.7 x 4.4 x 1.15mm 9.7mm 4.4mm 1.15mm 3.6 V 2.7 V +70 °C 0 °C
, Real Time Clock (RTC) Maxim Alarm, Trickle Charger - YY:MM:DD 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 2 V +85 °C -40 °C
, Real Time Clock (RTC) Maxim Battery Backup, Calendar, NV SRAM - DW:DM:M:Y HH:MM:SS - Serial-SPI Surface Mount μSOP 10 3.05 x 3.05 x 0.95mm 3.05mm 3.05mm 0.95mm 5.5 V 2.97 V +85 °C -40 °C
Holtek HT1381-8SOP, Real Time Clock (RTC), 8-Pin SOP Holtek Timer - DD:MM:YY SS:MM:HH - - Surface Mount SOP 8 5 x 4 x 1.5mm 5mm 4mm 1.5mm 5.5 V 2 V +70 °C 0 °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 DS12C887+, Real Time Clock (RTC), 113B RAM Multiplexed, 24-Pin EDIP Maxim Alarm - Binary, DW:DM:M:Y Binary, HH:MM:SS 113B Multiplexed Through Hole EDIP 24 34.04 x 18.29 x 9.4mm 34.04mm 18.29mm 9.4mm 5.5 V 4.5 V +70 °C 0 °C
Maxim DS12R885S-33+, Real Time Clock (RTC), 114B RAM Multiplexed, 24-Pin SOIC Maxim Alarm, Leap Year, NV SRAM, Square Wave Output, Trickle Charger - YY:MM:DD HH:MM:SS 114B Multiplexed Surface Mount SOIC 24 15.6 x 7.6 x 2.35mm 15.6mm 7.6mm 2.35mm 5.5 V 4.5 V +85 °C -40 °C
Maxim DS1302N+, Real Time Clock (RTC), 31B RAM Serial-3 Wire, 8-Pin PDIP Maxim Trickle Charger - DM:M:DW:Y SS:MM:HH 31B Serial-3 Wire Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 9.91mm 7.87mm 4.45mm 5.5 V 2 V +85 °C -40 °C
Maxim DS1305+, Real Time Clock (RTC), 96B RAM Serial-SPI, 16-Pin PDIP Maxim Alarm, 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 2 V +70 °C 0 °C
Maxim DS1337+, Real Time Clock (RTC), 7B RAM Serial-I2C, 8-Pin PDIP Maxim Clock - DD:M:Y SS:MM:HH 7B Serial-I2C Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 9.91mm 7.87mm 4.45mm 5.5 V 1.8 V +85 °C -40 °C
Maxim DS2417P+, Real Time Clock (RTC) Serial, 6-Pin TSOC Maxim Battery Backup, Calendar, ROM - Binary Binary - Serial Surface Mount TSOC 6 4 x 3.89 x 1.5mm 4mm 3.89mm 1.5mm 5.5 V 2.5 V +85 °C -40 °C
Microchip MCP79402-I/SN, Real Time Clock, 64B RAM Serial-I2C, 8-Pin SOIC Microchip Calendar - DW:D:M:Y HH:MM:SS 64B Serial-I2C Surface Mount SOIC 8 4.9 x 3.9 x 1.5mm 4.9mm 3.9mm 1.5mm 5.5 V 1.8 V +85 °C -40 °C
Microchip MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP Microchip Alarm, 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
Microchip MCP7940N-I/ST, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin TSSOP Microchip Calendar - DW:D:M:Y HH:MM:SS 64B Serial-I2C Surface Mount TSSOP 8 4.5 x 3.1 x 1.05mm 4.5mm 3.1mm 1.05mm 5.5 V 1.8 V +85 °C -40 °C
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 1.8 V +85 °C -40 °C
Microchip MCP79412-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC Microchip Battery Backup, Calendar - DW:DM:M:Y HH:MM:SS 64B Serial-I2C Surface Mount SOIC 8 4.9 x 3.9 x 1.5mm 4.9mm 3.9mm 1.5mm 5.5 V 1.8 V +85 °C -40 °C
Microchip MCP79520-I/MS, Real Time Clock (RTC), 64B RAM Serial, 10-Pin MSOP Microchip Calendar - DW:M:Y:LY HH:MM:SS:HSS 64B Serial Surface Mount MSOP 10 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.6 V 1.8 V +85 °C -40 °C
Microchip MCP79521-I/MS, Real Time Clock (RTC), 64B RAM Serial, 10-Pin MSOP Microchip Calendar - DW:M:Y:LY HH:MM:SS:HSS 64B Serial Surface Mount MSOP 10 3 x 3 x 0.95mm 3mm 3mm 0.95mm 3.6 V 1.8 V +85 °C -40 °C
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
Microchip MCP795W21-I/ST, 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
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