| FSAT66 | Fairchild Semiconductor | Low Voltage Single SPST Normally Open Analog Switch with TTL Compatible Control Input |
| FSAT66L6 | Fairchild Semiconductor | Low Voltage Single SPST Normally Open Analog Switch with TTL Compatible Control Input |
| FSAT66L6X | Fairchild Semiconductor | Low Voltage Single SPST Normally Open Analog Switch with TTL Compatible Control Input |
| FSAT66M5X | Fairchild Semiconductor | Low Voltage Single SPST Normally Open Analog Switch with TTL Compatible Control Input |
| FSAT66P5X | Fairchild Semiconductor | Low Voltage Single SPST Normally Open Analog Switch with TTL Compatible Control Input |