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| Part Number | 74HC191D/AUJ | 74HC161D/AUJ |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Product Status | Active | Active |
| Logic Type | Binary Counter | Binary Counter |
| Direction | Up, Down | Up |
| Number of Elements | 1 | 1 |
| Number of Bits per Element | 4 | 4 |
| Reset | Asynchronous | Asynchronous |
| Timing | Synchronous | Synchronous |
| Count Rate | 36 MHz | 44 MHz |
| Trigger Type | Negative Edge | Positive Edge |
| Voltage - Supply | 2 V ~ 6 V | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SO | 16-SO |
