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SN54HCT640, SN54HCT643, SN54HCT645 SN74HCT640, SN74HCT643, SN74HCT645 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
D 2 8 0 4 . M AR C H 1 9 8 4 -R E V IS E D SEPTEMBER 1 9 8 7
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Inputs are T
