ST8939
Low power consumption: 0.6μA typical (Ta=25C).
Operating voltage: 1.8V~5.5V; Timekeeping voltage: 1.5~5.5V.
Operating temperature:-40C~+105C.
Accuracy at room temperature is<±5ppm.
Standard IIC bus interface mode, maximum speed 400kHz.
Chip pin ESD>4KV
Pass 4 kV EFT Interference Test
CMOS Process
Package Form:SOP8(150mil)&MSOP8.
Model :
ST8939REAL TIME CLOCK IC(External Crystal Oscillator) ST8939
Built-in 1/1024 second register
Built-in IIC bus 0.5 seconds auto reset function
Built-in temperature register
Built-in Communication Verification Function
Built-in 70-Byte General-Purpose SRAM Registers
Built-in clock data write-protection function
Built-in 8-Byte ID
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ST2058 Low power consumption: 1μAtypical (VDD =3.0V,Ta=25°C). Operating voltage:1.3V~5.5V. Operating temperature:-40°C~+125C. Passed AEC-Q100&AEC-Q200Certification Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Built-in IIC bus 0.5 seconds automatic reset function Chip pin ESD>4KV CMOS Process Package Format:SOP8/MSOP8/DFN3x3-10.
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ST2068 Low power consumption: 1μA typical (VDD =3.0V,Ta=25°C). Operating voltage:1.5V~5.5V. Operating temperature:-40℃~+85C. ROHS Recognized Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Chip pin ESD>4KV CMOS Process Package Form:SOP8/TSSOP8.
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ST3068 Low power consumption: 0.8μA typical (VDD=3.0V,Ta=25C). Operating voltage:2.7V~5.5V. Operating temperature:-40C~+85°C. ROHS Recognized Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Chip pin ESD>4KV CMOS Process Package Form:SOP8/TSSOP8.
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ST3078 High-precision Low power consumption: 0.8μA typical (VDD =3.0V,Ta=25C). Operating voltage:2.7V~5.5V. Operating temperature:-40C~+105℃. AEC-Q100 certified Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Chip pin ESD>4KV CMOS Process Package Form:SOP8 (208mil).
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ST8190 Low power consumption: 0.4μA typical (VDD=3.0V,Ta=25°℃). Operating voltage: 1.5V~5.5V; Clock voltage:1.2V~5.5V. Operating temperature:-40C~+105C. ROHS Recognized Standard IIC bus interface, maximum speed 400KHz(4.5V~5.5V). Chip pin ESD>4KV CMOS Process Package Form:SOP8/TSSOP8.
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ST8200 Low power consumption: 0.6μA typical(Ta=25C). Operating voltage:1.8V~5.5V; Clock voltage: 1.2V~5.5V. Operating temperature:-40C~+105°C. ROHS Recognized Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Chip pin ESD>4KV CMOS Process Package Form:SOP8(150mil).
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ST8563 Low power consumption: 0.45μA typical (VDD =3.0V,Ta=25C). Operating voltage: 1.5V~5.5V;Clock voltage:1.0V~5.5V. Operating temperature:-40°C~+85°C. Passed AEC-Q100 Certification Standard IIC bus interface, maximum speed 400KHz (4.5V~5.5V). Built-in IIC bus 0.5 seconds automatic reset function Chip pin ESD>4KV CMOS Process Package Form:SOP8/MSOP8/TSSOP8.
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Features ① 24 Hours Holdover < 1.5uS, ±10℃ temperature change ② 1pps input and 1pps output for 1pps synchronization ③ Discipline to 1ns in phase and <10-12 in frequency ④ 1 Second continuous phase measurement and report system, resolution ≤1ns ⑤ ToD ( Time of Day ) ⑥ RS232 digital interface ⑦ 5MHz, 10MHz, CMOS output ⑧ -10℃ ~ 70℃ operating ⑨ Proprietary adaptive algorithm Application ① 5G Telecommunication, Base Station ② Smart Power Grid ③ Test and measurement equipment
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IPv6 network supported
