HD74LS640 Datasheet (71.58 KB)
HD74LS640
Hitachi Semiconductor
71.58 KB
Octal bus transceivers.
Unit: mm 24.50 25.40 Max 20 11 7.00 Max 6.30 1 0.89 1.27 Max 10 1.30 2.54 Min 5.08 Max 7.62 0.51 Min 2.54 ± 0.25 0.48 ± 0.10 0.25 0.05.
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