| Pin | Name | Decription |
|---|
| 1 | P1 | Binary programable input 1 |
| 2 | P2 | Binary programable input 2 |
| 3 | P3 | Binary programable input 3 |
| 4 | P4 | Binary programable input 4 |
| 5 | P5 | Binary programable input 5 |
| 6 | P6 | Binary programable input 6 |
| 7 | P7 | Binary programable input 7 |
| 8 | T | Divided by 2 input |
| 9 | Q | Divided by 2 output |
| 10 | IFS | IF Frequency Select |
| 11 | T/R | Transmit=LOW Receive=HIGH |
| 12 | VDD | Positive Power Supply (+5Volt) |
| 13 | RO | Refeerency oscillator Output (X-tal) |
| 14 | RI | Referency oscillator Input (X-tal) |
| 15 | RB | Reference divider output (Buffered) |
| 16 | 1/2R | Referency frequency divided by 2 |
| 17 | LD | Loop Detector - HIGH=Locked LOW=Unlocked |
| 18 | VDD | Positive Power Supply (+5Volt) |
| 19 | PD out | Phase Detector output |
| 20 | AI | Loop filter Amplifier Input |
| 21 | AO | Loop filter Amplifier Output |
| 22 | FS | Function Select - HIGH=10kHz step LOW=5kHz step |
| 23 | GND | Ground |
| 24 | FIN | VCO Oscillator Input |
