FFFE (Form, Fit & Functional Equivalents)
| Description | Package | Voltage | Speed | Temperature |
|---|---|---|---|---|
| HY57V643220DTP-6/7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DTP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DTP-7/H | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220DTP-H | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220ET-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220ET-H | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220ETP-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220FTC-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220HG-7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |
| HY57V643220HGT-6,7 | TSOP2(86) | 3.3 V | 133 MHZ | 0 C~+70 C |