| 1217521 | MT5C2561C-70L_IT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217522 | MT5C2561C-70L_XT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217523 | MT5C2561EC-35L_883C | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217524 | MT5C2561EC-35L_IT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217525 | MT5C2561EC-35L_XT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217526 | MT5C2561EC-45L_883C | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217527 | MT5C2561EC-45L_IT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217528 | MT5C2561EC-45L_XT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217529 | MT5C2561EC-55L_883C | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217530 | MT5C2561EC-55L_IT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217531 | MT5C2561EC-55L_XT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217532 | MT5C2561EC-70L_883C | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217533 | MT5C2561EC-70L_IT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217534 | MT5C2561EC-70L_XT | 256K x 1 SRAM memory array | Austin Semiconductor |
| 1217535 | MT5C2564 | 64K x 4 SRAM SRAM MEMORY ARRAY | Austin Semiconductor |
| 1217536 | MT5C2564C-15L_883C | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217537 | MT5C2564C-15L_IT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217538 | MT5C2564C-15L_XT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217539 | MT5C2564C-20 | SRAM | Austin Semiconductor |
|
| 1217540 | MT5C2564C-20/883C | SRAM | Austin Semiconductor |
| 1217541 | MT5C2564C-20L_883C | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217542 | MT5C2564C-20L_IT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217543 | MT5C2564C-20L_XT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217544 | MT5C2564C-25 | SRAM | Austin Semiconductor |
| 1217545 | MT5C2564C-25/883C | SRAM | Austin Semiconductor |
| 1217546 | MT5C2564C-25L_883C | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217547 | MT5C2564C-25L_IT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217548 | MT5C2564C-25L_XT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217549 | MT5C2564C-35 | SRAM | Austin Semiconductor |
| 1217550 | MT5C2564C-35/883C | SRAM | Austin Semiconductor |
| 1217551 | MT5C2564C-35L_883C | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217552 | MT5C2564C-35L_IT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217553 | MT5C2564C-35L_XT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217554 | MT5C2564C-40L_883C | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217555 | MT5C2564C-40L_IT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217556 | MT5C2564C-40L_XT | 64K x 4 SRAM memory array | Austin Semiconductor |
| 1217557 | MT5C2564C-45 | SRAM | Austin Semiconductor |
| 1217558 | MT5C2564C-45/883C | SRAM | Austin Semiconductor |
| 1217559 | MT5C2564C-55 | SRAM | Austin Semiconductor |
| 1217560 | MT5C2564C-55/883C | SRAM | Austin Semiconductor |
