. . . . 6 2 Operation . . . . 12 2.1 2-wire bus characteristics . 13 2.1.1 Bus not busy . . . . . . . . .
• Ultra-low battery supply current of 365 nA
• Factory-calibrated accuracy of ±5 ppm typical
after 2 reflows (SOX18)
– Much better accuracies achievable using
built-in programmable analog and digital calibration circuits
• 2.0 V to 5.5 V clock operating voltage
• Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
• Automatic switchover and reset output circuitry (fixed reference)
– M41T83S: VCC = 3.00 V to 5.50 V
– M41T83R: VCC = 2.70 V to 5.50 V
– M41T83Z: VCC = 2.38 V to 5.50 V
• Serial interface supports I2C bus (400 kHz protocol)
• Progr.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | M41T80 |
ST Microelectronics |
SERIAL ACCESS RTC WITH ALARMS | |
2 | M41T81 |
ST Microelectronics |
Serial access real-time clock | |
3 | M41T81S |
STMicroelectronics |
Serial access real-time clock | |
4 | M41T82 |
ST Microelectronics |
Serial I2C bus real-time clock | |
5 | M41T0 |
ST Microelectronics |
Serial real-time clock | |
6 | M41T00 |
ST Microelectronics |
serial real time clock | |
7 | M41T00AUD |
STMicroelectronics |
Serial real-time clock | |
8 | M41T00CAP |
STMicroelectronics |
Serial access real-time clock | |
9 | M41T00S |
STMicroelectronics |
Serial real-time clock | |
10 | M41T00SC64 |
STMicroelectronics |
Real-Time Clock 64-Kbit EEPROM | |
11 | M41T11 |
STMicroelectronics |
Serial real-time clock | |
12 | M41T256Y |
ST Microelectronics |
256 Kbit 32K x8 SERIAL RTC |