FFFE/互通料號 (形式，腳位和功能對等)
| IC 編號 | 脚位/封装 | 電壓(伏) | 速度 | 溫度規格 |
|---|---|---|---|---|
| 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 |
| 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 |
| HY57V653220BTC-7I | TSOP2(86) | 3.3 V | 143 MHZ | -40 C~+85 C |