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| Part Number | DM74LS161AM | DM74LS169AM | DM74LS161AN |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete |
| Logic Type | Binary Counter | Binary Counter | Binary Counter |
| Direction | Up | Up, Down | Up |
| Number of Elements | 1 | 1 | 1 |
| Number of Bits per Element | 4 | 4 | 4 |
| Reset | Asynchronous | - | Asynchronous |
| Timing | Synchronous | Synchronous | Synchronous |
| Count Rate | - | 25 MHz | - |
| Trigger Type | Positive Edge | Positive 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 |
| Mounting Type | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-SOIC | 16-SOIC | 16-PDIP |
