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 |
|---|---|---|---|---|
| HY57V643220CT-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DLT-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DLTP-45 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DLTP-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DST-45 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DST-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DSTP-45 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DSTP-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DT-45 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |
| HY57V643220DT-5 | TSOP2(86) | 3.3 V | 200 MHZ | 0 C~+70 C |