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 |
|---|---|---|---|---|
| HY57V641620BTC-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HCT-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HGLT-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HGT-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HGT-H12288 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HGTH #12288 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V641620HGTP-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V651620ATC-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V651620B-TC8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |
| HY57V651620BLTC-8 | TSOP2(54) | 3.3 V | 125 MHZ | 0 C~+70 C |