| Manufacturer | Part # | Datasheet | Description |
 Intersil Corporation |
ISL12058
|
329Kb / 19P |
Low Cost and Low Power I2C-Bus??Real Time Clock/Calendar
June 15, 2009 |
|
ISL12059
|
196Kb / 11P |
Low Cost and Low Power I2C Bus??Real Time Clock/Calendar
|
 NXP Semiconductors |
PCF8523
|
1Mb / 66P |
Real-Time Clock (RTC) and calendar
Rev. 3-30 March 2011 |
|
PCF8523
|
700Kb / 75P |
Real-Time Clock (RTC) and calendar
Rev. 4-5 July 2012 |
 Microchip Technology |
MCP7940M
|
1,006Kb / 38P |
Low-Cost I2C??Real-Time Clock/Calendar with SRAM
11/29/11 |
|
MCP7940M-I
|
1,006Kb / 38P |
Low-Cost I2C??Real-Time Clock/Calendar with SRAM
11/29/11 |
 Renesas Technology Corp |
ISL12057
|
764Kb / 18P |
Low Cost and Low Power I2C RTC Real Time Clock/Calendar with Alarm Function and Dual IRQ Pins
|
|
ISL12058
|
837Kb / 20P |
Low Cost and Low Power I2C-Bus Real Time Clock/Calendar Low Power and Low Cost RTC with Alarm Function
|
|
ISL12059
|
513Kb / 11P |
Low Cost and Low Power I2C Bus Real Time Clock/Calendar Low Power and Low Cost RTC
|
|
ISL1208
|
1Mb / 25P |
I2C Real Time Clock/Calendar, Low Power RTC with Battery Backed SRAM
Jul 15, 2022 |