PCF2123U: SPI实时时钟/日历
PCF2123是一款CMOS实时时钟(RTC)和日历，最适合低功率应用。通过串行外设接口(SPI-bus)以6.25 Mbit/s的最大数据速率串行传送数据。还提供警报和定时器功能，可在中断引脚上生成唤醒信号。偏移寄存器允许对时钟进行精细调整。
PCF2123U: 产品结构框图
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| SPI Real time clock/calendar (REV 6.0) PDF (802.0 kB) PCF2123 [English] | 15 Jul 2013 |
应用说明 (3)
| 名称/描述 | Modified Date |
|---|---|
| Improved timekeeping accuracy with PCF85063, PCF8523 and PCF2123 using an external temperature sensor (REV 1.0) PDF (309.0 kB) AN11247 [English] | 06 Mar 2015 |
| ESD and EMC sensitivity of IC (REV 1.0) PDF (745.0 kB) AN10853 [English] | 14 Mar 2013 |
| Handling bare die (REV 2.0) PDF (1.6 MB) AN10706 [English] | 16 Jun 2011 |
用户指南 (3)
| 名称/描述 | Modified Date |
|---|---|
| Demo board OM13512 for the SPI-bus RTC PCF2123 (REV 1.0) PDF (391.0 kB) UM10759 [English] | 05 Oct 2015 |
| User Manual for NXP® Real Time Clocks PCF85x3, PCF85x63, PCA8565, PCF2123, and PCA21125 (REV 2.1) PDF (961.0 kB) UM10301 [English] | 24 Jul 2015 |
| Store and transport requirements (REV 3.0) PDF (325.0 kB) UM10569 [English] | 10 Mar 2015 |
手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| NXP® ultra-low-power RTC/calendars PCF8523 & PCF2123 (REV 2.0) PDF (290.0 kB) 75017076 [English] | 10 Mar 2011 |
订购信息
| 型号 | 状态 | Package version | resolution | Interface | VDD (interface) (V) | watchdog timer | Programmable alarm | countdown timer | Special features | VDD (clock) (V) | Leap year tracking | IDD (nA) | temperature compensation | Tamb (Cel) | AEC-Q100 compliant |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCF2123U/10AA/1 | Active | 1 sec to year | SPI | 1.8 to 5.5 | yes | yes | yes | 1.1 to 5.5 | yes | 110 | no | -40 to +85 | no | ||
| PCF2123U/12HA/1 | Active | 1 sec to year | SPI | 1.8 to 5.5 | yes | yes | yes | 1.1 to 5.5 | yes | 110 | no | -40 to +85 | no | ||
| PCF2123U/5GA/1 | End of Life | 1 sec to year | SPI | 1.8 to 5.5 | yes | yes | yes | 1.1 to 5.5 | yes | 110 | no | -40 to +85 | no | ||
| PCF2123U/12AA/1 | End of Life | 1 sec to year | SPI | 1.8 to 5.5 | yes | yes | yes | 1.1 to 5.5 | yes | 110 | no | -40 to +85 | no |
封装环保信息
| 产品编号 | 封装说明 | Outline Version | 回流/波峰焊接 | 包装 | 产品状态 | 部件编号订购码 (12NC) | Marking | 化学成分 | RoHS / 无铅 / RHF | 无铅转换日期 | IFR(FIT) | MTBF（小时） | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCF2123U/10AA/1 | Active | PCF2123U/10AA/1,00 (9352 875 42005) | Standard Marking | PCF2123U/10AA/1 |    | Always Pb-free | 5 | 2E8 | NA | NA | ||||
| PCF2123U/12AA/1 | Discontinued | PCF2123U/12AA/1,00 (9352 906 47005) | Standard Marking | PCF2123U/12AA/1 | | Always Pb-free | 5 | 2E8 | NA | NA | ||||
| PCF2123U/12HA/1 | Active | PCF2123U/12HA/1,00 (9352 929 66005) | Standard Marking | PCF2123U/12HA/1 | | Always Pb-free | 5 | 2E8 | NA | NA | ||||
| PCF2123U/5GA/1 | Discontinued | PCF2123U/5GA/1,015 (9352 954 29015) | Standard Marking | PCF2123U/5GA/1 | | Always Pb-free | 5 | 2E8 | NA | NA |
- SPI Real time clock/calendar PCF2123
- Improved timekeeping accuracy with PCF85063, PCF8523 and PCF2123 using an external temperature sensor PCF85063BTL
- ESD and EMC sensitivity of IC pcf8576d_automotive
- Handling bare die pcf8576d_automotive
- Demo board OM13512 for the SPI-bus RTC PCF2123 PCF2123
- User Manual for NXP® Real Time Clocks PCF85x3, PCF85x63, PCA8565, PCF2123, and PCA21125 pca8565ts
- Store and transport requirements pcf8576d_automotive
- NXP® ultra-low-power RTC/calendars PCF8523 & PCF2123 PCF2123
- PCF2123
