SEGA Programmable Logic Devices
The following is a list of Sega custom programmable logic
parts that I can supply as a newly programmed IC.
They are like for like replacements and are just one chip that fits in place of
the original, which is usually in a socket for ease of exchange.
| Sega No. | Device Type | Used On | Location |
| PA_06L | PAL16L8 | Turbo | CPU IC 90 |
| PA_06R | PAL16R4 | Turbo | CPU IC 22 |
| 315-5023 | PAL16R4 | System 1A | IC 45 |
| 315-5024 | PAL16R4 | System 1A | IC 46 |
| 315-5062 | PAL16R4 | System 1B & 1C | IC 41 |
| 315-5063 | PAL16R4 | System 1B & 1C | IC 67 |
| 315-5074 | PAL10L8 | Bank Panic | Loc C2 |
| 315-5075 | PAL16R4 | Bank Panic | Loc B2 |
| 315-5106 | PAL16R6 | Hang On Space Harrier |
Hang On IC 100 Space Harrier IC 80 |
| 315-5107 | PAL16R6 | Hang On Space Harrier Pre-System 16 |
Hang On IC 101 Space Harrier IC 116 Pre-System 16 Loc G22 |
| 315-5108 | PAL16R6 | Hang On Space Harrier Pre-System 16 |
Hang On IC 97 Space Harrier IC 117 Pre-System 16 Loc E19 |
| 315-5137 | PAL16R4 | System 2 (All except Choplifter) | IC 10 |
| 315-5138 | PAL16R4 | System 2 | IC 11 |
| 315-5139 | CK2605 | System 2 | IC 50 |
| 315-5141 | CK2605 | Pre-System 16 | Loc C4 |
| 315-5143 | CK2605 | Pre-System 16 | Loc G24 |
| 315-5144 | CK2605 | Pre-System 16 | Loc D/E8 |
| 315-5147 | PAL16R6 | Pre-System 16 | Loc G23 |
| 315-5149 | CK2605 | Pre-System 16 | Loc D/E20 |
| 315-5152 | PAL16R4 | System 2 (Choplifter only) | IC 10 |
| 315-5193 | PLS153 | Pre-System 16 | Loc J8 |
| 315-5202 | CK2605 | Pre-System 16 | Loc L8 |
| 315-5213 | PAL16R6 | System 16B Y Board |
Loc F/G8 VID IC 20 |
| 315-5214 | CK2605 | System 16B | Loc F13 |
| 315-5222 | PLS153 | Out Run | CPU IC 12 |
| 315-5223 | CK2605 | Out Run | CPU IC 26 |
| 315-5224 | CK2605 | Out Run | CPU IC 108 |
| 315-5225 | PAL16R4 | Out Run | CPU IC 62 |
| 315-5226 | PAL16R4 | Out Run | CPU IC 79 |
| 315-5227 | CK2678 | Out Run | VID IC 46 |
| 315-5228 | CK2605 | Out Run | VID IC 123 |
| 315-5278 | PAL16L8 | X Board | IC 84 |
| 315-5279 | PAL16R6 | X Board (Afterburner only) | IC 127 |
| 315-5280 | CK2605 | X Board Y Board |
X Board IC 18 Y Board CPU IC 103 |
| 315-5290 | PAL16L8 | X Board | IC 109 |
| 315-5291 | PAL16L8 | X Board | IC 117 |
| 315-5298 | PLS153 | System 16B | Type 2 ROM Bd. Loc B9 |
| 315-5304 | PAL16R6 | X Board (All except Afterburner) | IC 127 |
| 315-5314 | PAL16L8 | Y Board | CPU IC 20 |
| 315-5315 | PAL16L8 | Y Board | CPU IC 76 |
| 315-5316 | PAL16L8 | Y Board | CPU IC 49 |
| 315-5317 | PAL16R4 | Y Board | CPU IC 98 |
| 315-5318 | PAL16L8 | Y Board | CPU IC 96 |
| 315-5319 | PAL16L8 | Y Board (128K Object ROMs) | VID IC 43 |
| 315-5325 | PAL16R4 | Y Board | VID IC134 |
| 315-5328 | CK2678 | Y Board | CPU IC 104 |
| 315-5374 | GAL16V8 | System 18 | IC 74 |
| 315-5375 | PAL16R6 | System 18 | IC 62 |
| 315-5389 | GAL16V8 | System 18 | IC 72 |
| 315-5390 | GAL16V8 | System 18 | IC 25 |
| 315-5391 | GAL16V8 | System 18 | IC 80 |
| 315-5421 | CK2605 | Y Board (512K Object ROMs) | VID IC 43 |
| 315-5430 | PLS153 | System 18 | IC 65 |
Please contact me for up to date pricing.
Any PLS153, CK2605 or CK2678 may be more expensive if the equations will not fit into a common device, please ask.
New devices are added to this list regularly. If there is a specific device you
need but is not listed here, please eMail me.