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| PartNumber | M74HC390B1R | M74HC390B1 | M74HC390M1R |
| Description | Counter Shift Registers Dual Decade Counter | Counter, Up, 16 Pin, Plastic, DIP | Counter ICs Dual Decade Counte |
| Manufacturer | STMicroelectronics | - | STM |
| Product Category | Counter Shift Registers | - | IC Chips |
| RoHS | Y | - | - |
| Counter Type | Decade | - | - |
| Counting Sequence | Up | - | - |
| Number of Circuits | 2 | - | - |
| Number of Bits | 4 bit | - | - |
| Package / Case | PDIP-16 | - | - |
| Logic Family | 74HC | - | - |
| Logic Type | CMOS | - | - |
| Number of Input Lines | 2 | - | - |
| Propagation Delay Time | 280 ns, 56 ns, 48 ns | - | - |
| Supply Voltage Max | 6 V | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Packaging | Tube | - | - |
| Function | Dual Decade Counter | - | - |
| Series | M74HC390 | - | - |
| Width | 7.1 mm | - | - |
| Brand | STMicroelectronics | - | - |
| Mounting Style | Through Hole | - | - |
| Number of Output Lines | 4 | - | - |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | - | - |
| Product Type | Counter Shift Registers | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.057419 oz | - | - |