| Pin | Name | Description |
| 1 | Vcc | Positive Supply Voltage |
| 2 | F in | VCO Frequence Input |
| 3 | 1/2R | Reference oscillator output divided by 2 |
| 4 | RI | X-tal Input |
| 5 | RO | X-tal Output |
| 6 | FS | Function Select - HIGH=Divided by 1024 LOW=Divided by 1152 |
7 | PD | Phase Detector Output |
| 8 | LD | Loock Detector - Locked=HIGH Unlocked=LOW |
| 9 | P7 | Programmable input 7 HIGH=N-codes is 64+N LOW=N-codes is 128+N |
| 10 | P6 | Programmable input 6 |
| 11 | P5 | Programmable input 5 |
| 12 | P4 | Programmable input 4 |
| 13 | P3 | Programmable input 3 |
| 14 | P2 | Programmable input 2 |
| 15 | P1 | Programmable input 1 |
| 16 | GND | Ground |