| PartNumber | HEF4557BT,653 | HEF4557BT,652 |
| Description | Counter Shift Registers 1-TO-64 BT VAR LNGTH | Counter Shift Registers 1-TO-64 BT VAR LNGTH |
| Manufacturer | Nexperia | Nexperia |
| Product Category | Counter Shift Registers | Counter Shift Registers |
| RoHS | Y | Y |
| Counting Sequence | Serial to Serial | Serial to Serial |
| Number of Circuits | 1 | 1 |
| Number of Bits | 64 bit | 64 bit |
| Package / Case | SO-16 | SO-16 |
| Logic Family | HEF4000 | HEF4000 |
| Logic Type | CMOS | CMOS |
| Number of Input Lines | 2 | 2 |
| Propagation Delay Time | 65 ns | 65 ns |
| Supply Voltage Min | 4.5 V | 4.5 V |
| Supply Voltage Max | 15.5 V | 15.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Reel | Tube |
| Function | Shift Register | Shift Register |
| Width | 4 mm | 4 mm |
| Brand | Nexperia | Nexperia |
| Mounting Style | SMD/SMT | SMD/SMT |
| Number of Output Lines | 1 | 1 |
| Operating Supply Voltage | 3.3 V, 5 V, 9 V, 12 V | 3.3 V, 5 V, 9 V, 12 V |
| Product Type | Counter Shift Registers | Counter Shift Registers |
| Factory Pack Quantity | 2500 | 50 |
| Subcategory | Logic ICs | Logic ICs |
| Part # Aliases | HEF4557BTD-T | HEF4557BTD |
| Unit Weight | 0.008818 oz | 0.008818 oz |