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| PartNumber | 74HCT161D | 74HCT161D,653 | 74HCT161D,652 |
| Description | Counter ICs SYNC 4-BIT BINARY COUNTER | Counter ICs SYNC 4-BIT BINARY | Counter ICs SYNC 4-BIT BINARY |
| Manufacturer | PHI | NXP Semiconductors | NXP Semiconductors |
| Product Category | Logic - Counters, Dividers | Logic - Counters, Dividers | Logic - Counters, Dividers |
| Series | - | 74HCT | 74HCT |
| Packaging | - | Digi-ReelR | Tube |
| Package Case | - | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Direction | - | Up | Up |
| Voltage Supply | - | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | 16-SO | 16-SO |
| Number of Elements | - | 1 | 1 |
| Logic Type | - | Binary Counter | Binary Counter |
| Number of Bits per Element | - | 4 | 4 |
| Reset | - | Asynchronous | Asynchronous |
| Timing | - | Synchronous | Synchronous |
| Count Rate | - | 41MHz | 41MHz |
| Trigger Type | - | Positive Edge | Positive Edge |