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| Part Number | DM74LS393M | DM74LS393N | DM74LS193M | DM74LS393J |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | National Semiconductor |
| Product Status | Obsolete | Obsolete | Active | Active |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | - |
| Direction | Up | Up | Up, Down | - |
| Number of Elements | 2 | 2 | 1 | - |
| Number of Bits per Element | 4 | 4 | 4 | - |
| Reset | Asynchronous | Asynchronous | Asynchronous | - |
| Timing | - | - | Synchronous | - |
| Count Rate | 25 MHz | 25 MHz | 25 MHz | - |
| Trigger Type | Negative Edge | Negative Edge | Positive Edge | - |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C (TA) | - |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | - |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | 14-SOIC | 14-MDIP | 16-SOIC | - |
