FFFE/互通料號 (形式，腳位和功能對等)
| IC 編號 | 脚位/封装 | 電壓(伏) | 速度 | 溫度規格 |
|---|---|---|---|---|
| E28F400B5-T55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| E28F400B5B55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| E28F400B5T-55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| E28F400BVB55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| E28F400CVB55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| TE28F400B3T90822355 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| TE28F400B5B55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| TE28F400B5T-55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| TE28F400BVT55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |
| TE28F400BX-B55 | TSOP-48 | 5.0 V | 55 NS | -40 C~+85 C |