STMicroelectronics · Other integrated circuits
M74HC390B1R
IC DECADE COUNTER DL 4BIT 16DIP
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M74HC390B1R specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | M74HC390B1R |
| Family | Other integrated circuits |
| Package | 16-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Logic Type | Counter, Decade |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Timing | Synchronous |
| Count Rate | 79 MHz |
| Trigger Type | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP |
Documents and evidence
M74HC390B1R ↗Before sourcing M74HC390B1R
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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