The DS1554 is a 32-pin DIP real-time clock timer IC with a commercial temperature grade and a supply voltage range of 4.5 to 5.5V. It operates over a temperature range of 0 to 70°C and has a maximum clock frequency of 32.768 kHz. This device is suitable for use in applications requiring a reliable and accurate timing source. The DS1554 is a dual-terminal device with an 8-bit external data bus width.
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| Max Operating Temperature | 70 |
| Number of Terminals | 32 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-XDMA-P32 |
| Pin Count | 32 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 0.032 |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
| External Data Bus Width | 8 |
| RoHS | No |
| Eccn Code | EAR99 |
| Lead Free | No |
| HTS Code | 8542.39.00.01 |
| REACH | not_compliant |
| Military Spec | False |
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