Download the DM7409 datasheet PDF.
This datasheet also covers the DM7409N variant, as both devices belong to the same quad 2-input and gates family and are provided as variant models within a single manufacturer datasheet.
General Description
This device contains four independent gates each of which performs the logic AND function The open-collector outputs require external pull-up resistors for proper logical operation
Pull-Up Resistor Equations
RMAX
e
VCC (Min) b VOH N1 (IOH) a N2 (IIH)
RMIN
e
VCC (Max) b VOL IOL b N3 (IIL)
Whe
Note: The manufacturer provides a single datasheet file (DM7409N_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.
Full PDF Text Transcription for DM7409 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
DM7409. For precise diagrams, and layout, please refer to the original PDF.
5409 DM7409 Quad 2-Input AND Gates with Open-Collector Outputs June 1989 5409 DM7409 Quad 2-Input AND Gates with Open-Collector Outputs General Description This device co...
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D Gates with Open-Collector Outputs General Description This device contains four independent gates each of which performs the logic AND function The open-collector outputs require external pull-up resistors for proper logical operation Pull-Up Resistor Equations RMAX e VCC (Min) b VOH N1 (IOH) a N2 (IIH) RMIN e VCC (Max) b VOL IOL b N3 (IIL) Where N1 (IOH) e total maximum output high current for all outputs tied to pull-up resistor N2 (IIH) e total maximum input high current for all inputs tied to pull-up resistor N3 (IIL) e total maximum input low current for all inputs tied to pull-up resistor Connection Diagram Dual-In
More Datasheets from National Semiconductor (now Texas Instruments)
DM7409 Datasheet
