| 图片 | 零件号 | 品牌 | 描述 | 数量 | 购买 |
|---|---|---|---|---|---|
 | HAR | Package SOP HAR 74ACT257M New original parts | 7984 pieces | ||
 | ON Semiconductor | MULTIPLEXER QUAD 2IN 3ST 16TSSOP | 26131 pieces | ||
| ON Semiconductor | MULTIPLEXER QUAD 2IN 3ST 16TSSOP | 25991 pieces | ||
| FAICHILD | Package TSSOP-16 FAICHILD 74ACT257MTCX/ACT257 New original parts | 52866 pieces | ||
 | STMicroelectronics | IC MULTIPLEXER QUAD 2-CH 16-SOIC | 8440 pieces |
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