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| Part Number | 74HCT191N,652 | 74HCT193N,652 | 74HCT161N,652 | 74HCT191D,652 |
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter |
| Direction | Up, Down | Up, Down | Up | Up, Down |
| Number of Elements | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 4 | 4 | 4 | 4 |
| Reset | - | Asynchronous | Asynchronous | - |
| Timing | Synchronous | Synchronous | Synchronous | Synchronous |
| Count Rate | 39 MHz | 43 MHz | 41 MHz | 39 MHz |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Voltage - Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-DIP | 16-DIP | 16-DIP | 16-SO |
