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 |
|---|---|---|---|---|
| IC41LV44052-50TI | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IC41LV44052A-50TI | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IC41LV44054-50T | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IS41LV44052B-50CTGI | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IS41LV44052B-50CTGI-TR | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IS41LV44052B-50TLI | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IS41LV44052C-50CTGI | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |
| IS41LV44054-50T | TSOP2(24/26) | 3.3 V | 50 NS | -40 C~+85 C |