| Part Number | M74HC590B1R | M74HC390B1R |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Logic - Counters, Dividers | Logic - Counters, Dividers |
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| Product Status | Obsolete | Obsolete |
| Logic Type | Binary Counter | Counter, Decade |
| Direction | Up | Up |
| Number of Elements | 1 | 2 |
| Number of Bits per Element | 8 | 4 |
| Reset | Asynchronous | Asynchronous |
| Timing | - | Synchronous |
| Count Rate | 61 MHz | 79 MHz |
| Trigger Type | Positive Edge | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP | 16-DIP |