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| PartNumber | CD74HC4520E | CD74HC4520M | CD74HC4520EE4 |
| Description | Counter ICs Hi-Speed CMOS Logic Dual Bin Up-Counter | Counter ICs Dual Binary Up | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP16 |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Counter ICs | Counter ICs | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-16 | SOP-16 | - |
| Counter Type | Binary | Binary | - |
| Logic Family | HC | HC | - |
| Number of Bits | 4 bit | 4 bit | - |
| Counting Sequence | Up | Up | - |
| Operating Supply Voltage | 2 V to 6 V | 2 V to 6 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | CD74HC4520 | CD74HC4520 | - |
| Packaging | Tube | Tube | - |
| Function | Counter | Counter | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Output Current | +/- 5.2 mA | +/- 5.2 mA | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | Counter ICs | Counter ICs | - |
| Factory Pack Quantity | 25 | 40 | - |
| Subcategory | Counter ICs | Counter ICs | - |
| Unit Weight | 0.033570 oz | 0.004998 oz | - |