DM74LS33 Quad 2-Input NOR Buffer with Open-Collector Outputs March 1989 Revised March 2000 DM74LS33 Quad 2-Input NOR Buffer with Open-Collector Outputs General Description This device contains four independent gates each of which perform the logic NOR function.
Outputs are open-collector.
Ordering Code: Order Number DM74LS33M DM74LS33N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.
150 Narrow 14-Lead Plastic Dual In Line Package (PDIP), JEDEC MS-001, 0.
300 Wide Devices also available in Tape and Reel.
Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram Function Table Y=A+B Inputs A L L H H H ...

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