资料介绍
74系列文档资料,对数字电路设计尤为重要,特别适合新手 DM5438 DM7438 Quad 2-Input NAND Buffers with Open-Collector Outputs
June 1989
DM5438 DM7438 Quad 2-Input NAND Buffers
with Open-Collector Outputs
General Description Pull-Up Resistor Equations
This device contains four independent gates each of which VCC (Min) b VOH
performs the logic NAND function The open-collector out- RMAX e