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| Part Number | CD74HC4020E | CD74HC4520E | CD74HC4060E | CD74HC4024E | CD74HCT4020E | CD74HC4020EX | CD74HC4020M | CD74HC4040E |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Harris Corporation | Harris Corporation | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Active | Active |
| Logic Type | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter | Binary Counter |
| Direction | Up | Up | Up | Up | Up | Up | Up | Up |
| Number of Elements | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 14 | 4 | 14 | 7 | 14 | 14 | 14 | 12 |
| Reset | Asynchronous | Asynchronous | Asynchronous | Asynchronous | Asynchronous | Asynchronous | Asynchronous | Asynchronous |
| Timing | - | Synchronous | - | - | - | - | - | - |
| Count Rate | 35 MHz | 35 MHz | 35 MHz | 35 MHz | 25 MHz | 35 MHz | 35 MHz | 35 MHz |
| Trigger Type | Negative Edge | Positive, Negative | Negative Edge | Negative Edge | Negative Edge | Negative Edge | Negative Edge | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V | 4.5 V ~ 5.5 V | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Surface Mount | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP | 16-PDIP | 16-PDIP | 14-PDIP | 16-PDIP | 16-PDIP | 16-SOIC | 16-PDIP |
