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 |
|---|---|---|---|---|
| AS4C2M32S-6TIN | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| AS4C2M32SA-6TIN | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| AS4C2M32SA-6TINTR | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| EM638325TS-6IG | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220CLT-6I | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220CT-6HYNI | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220CT-6I | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220CT60I | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220DLTP-6I | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |
| HY57V643220DTP-6I | TSOP2(86) | 3.3 V | 166 MHZ | -40 C~+85 C |