FFFE (Form, Fit & Functional Equivalents)
| Description | Package | Voltage | Speed | Temperature |
|---|---|---|---|---|
| HY57V643220CY-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DLT-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DLTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DST-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DSTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DT-6/7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DT-H | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DT/DTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DT7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |