| Base Product Number | HCF4021 |
| Category | Integrated Circuits (ICs) |
| Description | IC SHFT REG 8STAGE STATIC 16SOIC |
| Detailed Description | Shift Shift Register 1 Element 8 Bit 16-SO |
| Digi-Key Part Number | HCF4021BM1-ND |
| Function | Parallel or Serial to Serial |
| Logic Type | Shift Register |
| Manufacturer Product Number | HCF4021BM1 |
| Manufacturer, Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Number of Bits per Element | 8 |
| Number of Elements | 1 |
| Operating Temperature | -55?C ~ 125?C |
| Output Type | Push-Pull |
| Package | Tube |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Product Status | Obsolete |
| Series | 4000B |
| Supplier Device Package | 16-SO |
| Voltage - Supply | 3V ~ 20V |