The DS1689 is a 28-pin DIP real-time clock timer IC from Dallas Semiconductor. It operates over a commercial temperature range of 0 to 70 degrees Celsius. The device has a nominal supply voltage of 5V, with a minimum and maximum supply voltage of 2.7V and 5.5V, respectively. It draws a maximum supply current of 15mA. The DS1689 features a 16-bit external data bus width and is designed for use in timer and real-time clock applications.
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Dallas Semiconductor DS1689 technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 28 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 15 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 2.7 |
| Supply Voltage-Max | 5.5 |
| Number of Bits | 16 |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
| External Data Bus Width | 8 |
| RoHS | No |
| REACH | unknown |
| Military Spec | False |
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