The UPD4991ACX-A is an industrial-grade real time clock and timer IC from Renesas. It operates over a temperature range of -40°C to 85°C and has a supply voltage of 2V to 5.5V. The device has 18 terminals and is packaged in a PDIP-18 package. It is a 1-bit, 32.0 kHz clock frequency IC with an external data bus width of 4 bits.
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Technical Specifications
Renesas UPD4991ACX-A technical specifications.
General
| Max Operating Temperature | 85 |
| Number of Terminals | 18 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T18 |
| Width | 7.62 |
| Pin Count | 18 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 2 |
| Supply Voltage-Max | 5.5 |
| Number of Bits | 1 |
| Clock Frequency-Max | 0.032 |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
| External Data Bus Width | 4 |
Compliance
| RoHS | Yes |
| Eccn Code | EAR99 |
| Lead Free | Yes |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
Datasheet
Renesas UPD4991ACX-A Datasheet
Download the complete datasheet for Renesas UPD4991ACX-A to view detailed technical specifications.
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