| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| CD4021BF | CMOS 8-STAGE STATIC SHIFT REGISTER | Texas-Instruments | J | 16 | -55°C | 125°C | 236 K |
| CD4021BF3A | CMOS 8-STAGE STATIC SHIFT REGISTER | Texas-Instruments | J | 16 | -55°C | 125°C | 236 K |
| MC14021BF | 8-Bit Static Shift Register | ON-Semiconductor | - | - | - | - | 199 K |
| MC14021BFEL | 8-Bit Static Shift Register | ON-Semiconductor | - | - | - | - | 199 K |
| MC14021BFL1 | 8-Bit Static Shift Register | ON-Semiconductor | - | - | - | - | 199 K |
| MC14021BFL2 | 8-Bit Static Shift Register | ON-Semiconductor | - | - | - | - | 199 K |
| MC14021BFR1 | 8-Bit Static Shift Register | ON-Semiconductor | - | - | - | - | 199 K |
| MC14521BF | 24-Stage Frequency Divider | ON-Semiconductor | MFP | 16 | - | - | 219 K |
| MC14521BFEL | 24-Stage Frequency Divider | ON-Semiconductor | MFP | 16 | - | - | 219 K |
| MC14521BFL1 | 24-Stage Frequency Divider | ON-Semiconductor | MFP | 16 | - | - | 219 K |
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