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| Part Number | MM74HC393MX | MM74HC390MX | MM74HC393M |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | National Semiconductor | onsemi |
| Product Status | Obsolete | Active | Obsolete |
| Logic Type | Binary Counter | - | Binary Counter |
| Direction | Up | - | Up |
| Number of Elements | 2 | - | 2 |
| Number of Bits per Element | 4 | - | 4 |
| Reset | Asynchronous | - | Asynchronous |
| Timing | - | - | - |
| Count Rate | 50 MHz | - | 50 MHz |
| Trigger Type | Negative Edge | - | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V | - | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 85°C | - | -40°C ~ 85°C |
| Mounting Type | Surface Mount | - | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | - | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | - | 14-SOIC |
