FFFE/互通料号 (形式，腳位和功能对等)
| IC 编号 | 脚位/封装 | 电压(伏) | 速度 | 温度规格 |
|---|---|---|---|---|
| AT28C64-12/15JC PLC | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64-12PC | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64-12PC #160 | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64-12PU | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64-15PC/12 | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64B-12/15PC | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64B-12/15PU | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64B-12PC | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64B-12PU | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |
| AT28C64B-15/12PC | PDIP-28 | 5.0 V | 120 NS | 0 C~+70 C |