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 |
|---|---|---|---|---|
| HY57V643220HGT-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220HGT-H | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220HGTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220LT-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220TC-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643222DTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V64322BTC-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V64322CT-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V653220ATC-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V653220BATC-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |