Outline
The 9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I2C interface, and configured toperform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also integrated, which is capable of adjusting time counts with digital method, and correcting deviations in the oscillation frequency of the crystal oscillator.
Features
Connected to the CPU via I2C Interface
Time (Hour ? Minute ? Second, Selectable 12-Hour and 24-Hour Mode Setting)
Calendar (Year?Month?Day?Week)
Periodic Interrupt Function
(Output from INTRB, Ranging from 1 Second to 1 Month)
Alarm Interrupt Function
(Day-of-Week ? Hour ? Minute in Setting Format, Output from INTRB)
Oscillation Halt Sensing Function
32.768 kHz Clock Output
(Output from 32KOUT with Control Pin)
±30 Second Adjustment Function
Automatic Leap Year Recognition up to the Year 2099
Built-in Oscillation Stabilizing Capacitors (CG, CD)
High-Precision Oscillation Adjustment Circuit
Important CharacteristicsTime Keeping Voltage 1.45V to 5.5V
Time Keeping Current 1 0.4μA (Typ) (VDD=3V, Ta=+25°C)
Time Keeping Current 2 1.0μA (Max) (VDD=3V, Ta=-40°C to +85°C)
Power Supply Voltage 1.8V to 5.5V
Access Frequency 1 100kHz (Max) (VDD=1.8V to 2.5V)
Access Frequency 2 400kHz (Max) (VDD=2.5V to 5.5V)
Package W(Typ)×D(Typ)×H(MAX)

AnalogTek |
SOP8/DFN8L |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP16 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
CSP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP16 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8/MOSOP8 DFN8L |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 TSSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DIP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DIP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DIP8 TOSSOP8 CSP8 MSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 MOSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
裸片 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 TSSOP8 DFN8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 MSOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 TSSOP8 DFN8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DFN8 |
I2C接口日历时钟芯片 |
AnalogTek |
MOSOP10 |
I2C接口日历时钟芯片 |
AnalogTek |
MSOP10 SSOP14 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 SOP14(208MIL) |
I2C接口日历时钟芯片 |
AnalogTek |
SOP14 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP14 |
I2C接口日历时钟芯片 |
AnalogTek |
DIP8 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DIP8 |
I2C接口日历时钟芯片 |
AnalogTek |
MSOP10 SSOP14 |
I2C接口日历时钟芯片 |
AnalogTek |
SOP8 DIP8 |
三线接口串行日历时钟芯片 |
AnalogTek |
SOP8 DIP8 |
三线接口串行日历时钟芯片 |
AnalogTek |
MSOP10 |
三线接口串行日历时钟芯片 |
AnalogTek |
MSOP10 |
三线接口串行日历时钟芯片 |
AnalogTek |
SOP24 DIP24 |
并行接口时钟芯片 |
AnalogTek |
SOP24 |
并行接口时钟芯片 |
AnalogTek |
SOP8 DIP8 |
并行接口时钟芯片 |
AnalogTek |
SOP8 DIP8 |
并行接口时钟芯片 |
AnalogTek |
SOT23-6L |
马达驱动芯片 |
AnalogTek |
SOT23-6L |
马达驱动芯片 |
AnalogTek |
SOP10/DIP16 |
达林管驱动 |
AnalogTek |
SOP18/DIP18 |
达林管驱动 |
AnalogTek |
SOP28 SSOP28 MSOP28 |
RS485/RS422通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS485/RS423通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS232 通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS233 通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS234 通讯接口芯片 |
AnalogTek |
SOP18 TSSOP16 QFN16 |
RS235 通讯接口芯片 |
AnalogTek |
SOP18 SSO |
RS236 通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS237 通讯接口芯片 |
AnalogTek |
DIP16 SSOP16 SOP16 MOSP16 |
RS238 通讯接口芯片 |
AnalogTek |
QSOP28 |
SPI转UART芯片 |
AnalogTek |
SOP28 |
SPI转UART芯片 |
AnalogTek |
PDIP14 QSOP16 TQFN24 |
SPI转UART芯片 |
AnalogTek |
LQFP64 PLCC68 |
UART 通用异步收发芯片 |
AnalogTek |
LQFP80 |
UART 通用异步收发芯片 |
AnalogTek |
SOP16 |
I2C接口扩展芯片 |
AnalogTek |
SOP16 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP16 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP16 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
SOP8 |
I2C接口扩展芯片 |
AnalogTek |
SOP8 |
I2C接口扩展芯片 |
AnalogTek |
TSSP16 TSOP16 QFN16 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
SOP8 MOSOP8 |
I2C接口扩展芯片 |
AnalogTek |
SOP8 MOSOP8 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
SOP16 |
I2C接口扩展芯片 |
AnalogTek |
SOP24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
TSSOP24 QFN24 |
I2C接口扩展芯片 |
AnalogTek |
MSOP8 |
I2C level shifters, buffers & hubs |
AnalogTek |
MSOP8 SOP8 |
I2C level shifters, buffers & hubs |
AnalogTek |
MSOP8 SOP8 |
I2C level shifters, buffers & hubs |
AnalogTek |
MSOP8 SOP8 |
I2C level shifters, buffers & hubs |
AnalogTek |
MSOP8 SOP8 |
LED调光闪光芯片 |
AnalogTek |
TSSOP16 SOP16 |
LED调光闪光芯片 |
AnalogTek |
TSSOP24 SOP24 |
LED调光闪光芯片 |
AnalogTek |
MSOP8 SOP8 |
LED调光闪光芯片 |
AnalogTek |
TSSOP16 SOP16 |
LED调光闪光芯片 |
AnalogTek |
TSSOP24 SOP24 |
LED调光闪光芯片 |
AnalogTek |
MSOP8 SOP8 |
LED调光闪光芯片 |
AnalogTek |
SOP24 DIP24 |
LED显示驱动芯片 |
AnalogTek |
SOP24 DIP24 |
LED显示驱动芯片 |
AnalogTek |
SOP16 |
A/D and D/A converter |
AnalogTek |
SOT23-5 |
A/D and D/A converter |
AnalogTek |
SSOP20 |
LNB卫星接收偏置控制电源管理 |
AnalogTek |
QFN16 |
LNB卫星接收偏置控制电源管理 |
AnalogTek |
QFN16 |
LNB卫星接收偏置控制电源管理 |
AnalogTek |
QFN16 |
LNB卫星接收偏置控制电源管理 |
AnalogTek |
SOP8 SOT23-6 |
加密芯片 |
AnalogTek |
SOP/TSSOP8/UDFN8 |
SPI串行接口EEPROM |
AnalogTek |
SOP/TSSOP8/UDFN8 |
SPI串行接口EEPROM |
AnalogTek |
SOP/TSSOP8/UDFN8 |
SPI串行接口EEPROM |
AnalogTek |
SOP/TSSOP8/UDFN8 |
SPI串行接口EEPROM |
AnalogTek |
SOP/TSSOP8/UDFN8 |
SPI串行接口EEPROM |
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以上是,推荐一颗完全替代 ROHM/罗姆:BU9873 I2C接口日历时钟芯片,型号:BU9873 厂家:AT 批号:最新 封装:SOP-8的信息