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Part Number Description Power supply voltage (V) Timing current (typical) Clock format Crystal CL (pF) Integrated crystal Temperature compensation Bckup power Trickle charge Alarm / Interrupt Square wave output (Hz) Clock calibration function Power down Oscillation stop detection User RAM (bytes) Working temperature range (℃) Cross Reference Pin/Package
















































































AT9873 1.3~5.5 0.60μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A Programmable (open drain) -40 to +85 BU9873 SOP8,SOP-J8,TSSOP-B8,MSOP8 VSON008*2030
AT8593 2.6~6.0 3μA (3V) HH:MM:SS 12.5 1﹣A Programmable (open drain) -40 to +85 PCF8593 SOP8、DIP8
AT8590 1.7~5.5 0.6μA (5V) HH:MM:SS 6 A Programmable (open drain) -40 to +85 MSOP10
AT8392 1.7~5.5 0.6μA (5V) HH:MM:SS 6 A Programmable (open drain) -40 to +85 MSOP10
AT8583 2.6~6.0 5.0 μA (3V) HH:MM:SS 12.5 1﹣A Programmable (open drain) 240 -40 to +85 PCF8583 SOP8、DIP8
AT8339A 1.7~5.5 1.0μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A Programmable (open drain) -40 to +85 DS1339/PT7C4339 SOP8、MSOP8
AT12885 1.7~5.5 0.6μA (5V) HH:MM:SS 6 1﹣A Programmable (open drain) 114 -40 to +85 SOP24 DIP24
AT12887 1.7~5.5 0.6μA (5V) HH:MM:SS 6 1﹣A Programmable 114 -40 to +85 DIP24
AT8023 1.0~5.5 0.45μA (3V) HH:MM:SS Periodic Interrupts / 2﹣A 32K (push-pull) -40 to +85 R2023 TSSOP10G,FFP12,QFN023023-16
AT8025SA 1.7~5.5 0.90μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A 32K (push-pull) programmable (open drain) -40 to +85 RX8025SA / R2025S/D SOP14
AT8026 1.7~5.5 1.50μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A 32K (push-pull) programmable (open drain) -40 to +85 RX8025SA / R2025S/D SOP14
AT8026T 1.7~5.5 1.50μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A 32K (push-pull) programmable (open drain) -40 to +85 RX8025T SOP14
AT8208 1.3~5.5 0.90μA (3V) HH:MM:SS 12.5 1﹣A Programmable (open drain) 2 -40 to +85 ISL1208 SOP8
AT8029(P) 1.7~5.5 0.50μA (3V) 6 1﹣A 32K (push-pull) programmable (open drain) -40 to +85 DIP8
AT8302 1.3~5.5 0.40μA (5V) HH:MM:SS 6 31 -40 to +85 SOP8、DIP8
AT8303 1.3~5.5 0.40μA (5V) HH:MM:SS 6 31 -40 to +85 SOP8、DIP8
AT8307 1.7~5.5 0.50μA (3V) HH:MM:SS 12.5 Programmable (open drain) 56 -40 to +85 DS1307/PT7C4307/VS1307 SOP8
AT8338 1.7~5.5 0.50μA (3V) HH:MM:SS 12.5 Programmable (open drain) 56 -40 to +85 DS1338/PT7C433833 SOP8、MSOP8
AT8339 1.7~5.5 1.0μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A Programmable (open drain) -40 to +85 DS1339/PT7C4339 SOP8、MSOP8
AT8340 1.3~5.5 0.80μA (3V) HH:MM:SS 12.5 Programmable (open drain) -40 to +85 DS1340 SOP8、MSOP8、DFN8L
AT8372A/B 1.3~5.5 0.60μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A Programmable (open drain) -40 to +85 RS5C372B/PT7C4372B SOP8、TSSOP8、DFN8
AT8373 1.3~5.5 0.90μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A 32K (push-pull) programmable (open drain) -40 to +85 MSOP10
AT8378 1.7~5.5 1.50μA (3V) HH:MM:SS 6 Periodic Interrupts / 2﹣A 32K (push-pull) programmable (open drain) -40 to +85 R2023 MSOP10、SSOP14
AT8390 1.7~5.5 0.6μA (5V) HH:MM:SS 6 A Programmable (open drain) -40 to +85 MSOP10
AT85163 1.0~5.5 0.6μA (5V) HH:MM:SS 12.5 1﹣A Programmable (open drain) -40 to +85 PCF85163 SOP8、DIP8、TSSOP8、MSOP8
AT8563 1.0~5.5 0.6μA (5V) HH:MM:SS 12.5 1﹣A Programmable (open drain) -40 to +85 PCF8563/PT7C4563 SOP8、DIP8、TSSOP8、MSOP8
AT8564 1.0~5.5 0.60μA (3V) HH:MM:SS 12.5 1﹣A 32K (push-pull) programmable (open drain) -40 to +85 PCF8564 bare die
AT8565 1.7~5.5 0.90μA (3V) HH:MM:SS 6 1﹣A 32K (push-pull) -40 to +85 SOP8、MSOP8、DFN8L
AT8568 1.7~5.5 0.90μA (3V) HH:MM:SS 6 Programmable (open drain) -40 to +85 SOP8、MSOP8
AT8570 2.5~6.0 HH:MM:SS Programmable (open drain) -40 to +85 SOP8、DIP8
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