| SN74ALS640B-1N | | part details | | TEXAS INSTRUMENTS | | 98 | | Avail | | 2781 |
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| SN74ALS640B-1N | | part details | | TI | | 1995 | | Avail | | 900 |
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| SN74ALS640B-1N | | part details | | TI | | 1999 | | Avail | | 600 |
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| SN74ALS640B-1N | | part details | | TEXAS INST | | 96+ | | Avail | | 370 |
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| SN74ALS640B-1N | | part details | | TI/ | | 88 | | Avail | | 200 |
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| SN74ALS640B1N | | part details | | TEXAS INST | | | Avail | | 163 |
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| SN74ALS640B-1DW | | part details | | TI | | 2001 | | Avail | | 150 |
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| SN74ALS640B-1N | | part details | | TEXAS INSTRUMENTS INC | | N/A | | Avail | | 60 |
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| SN74ALS640B-1DW | | part details | | Texas Instruments Inc | | -- | | Avail | | 52 |
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| SN74ALS640B-1N | | part details | | NSC | | | Avail | | 50 |
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| SN74ALS640B-1DW | | part details | | TI | | 91 | | Avail | | 25 |
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| SN74ALS640B-1DW | | part details | | T.I | | | Avail | | 25 |
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