| 1280321 | P4C1256-12PC | 12 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280322 | P4C1256-15JC | 15 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280323 | P4C1256-15JI | 15 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280324 | P4C1256-15PC | 15 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280325 | P4C1256-15PI | 15 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280326 | P4C1256-20CM | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280327 | P4C1256-20CMB | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280328 | P4C1256-20DM | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280329 | P4C1256-20DMB | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280330 | P4C1256-20DWM | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280331 | P4C1256-20DWMB | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280332 | P4C1256-20JC | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280333 | P4C1256-20JI | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280334 | P4C1256-20L28M | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280335 | P4C1256-20L28MB | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280336 | P4C1256-20L32M | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280337 | P4C1256-20L32MB | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280338 | P4C1256-20PC | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280339 | P4C1256-20PI | 20 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
|
| 1280340 | P4C1256-25CM | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280341 | P4C1256-25CMB | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280342 | P4C1256-25DM | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280343 | P4C1256-25DMB | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280344 | P4C1256-25DWM | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280345 | P4C1256-25DWMB | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280346 | P4C1256-25JC | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280347 | P4C1256-25JI | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280348 | P4C1256-25L28M | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280349 | P4C1256-25L28MB | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280350 | P4C1256-25L32M | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280351 | P4C1256-25L32MB | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280352 | P4C1256-25PC | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280353 | P4C1256-25PI | 25 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280354 | P4C1256-35CM | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280355 | P4C1256-35CMB | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280356 | P4C1256-35DM | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280357 | P4C1256-35DMB | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280358 | P4C1256-35DWM | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280359 | P4C1256-35DWMB | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
| 1280360 | P4C1256-35JC | 35 ns, static CMOS RAM, 32 K x 8 high speed | Performance Semiconductor Corporation |
