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 |
|---|---|---|---|---|
| HY57V643220CLT7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220CT-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220DLPT-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220DLTP-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220DSTP-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220DTP-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V643220TC-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V653220BLTC-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V653220BLTC-7I-A | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |
| HY57V653220BTC-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |