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 |
|---|---|---|---|---|
| IS42S16402J-6TL | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| IS42S1640A-TT | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| IS45S16400J-6TLAI | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632-UC60 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632000-UC60T | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632B-TC60 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632C-TC/LH1 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632C-TC60 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632C-TC60/70 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |
| K4S641632C-TC60000 | TSOP2(54) | 3.3 V | 166 MHZ | 0 C~+85 C |