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74HC139DB 数据表(PDF) 7 Page - NXP Semiconductors |
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74HC139DB 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 7 page September 1993 7 Philips Semiconductors Product specification Dual 2-to-4 line decoder/demultiplexer 74HC/HCT139 AC WAVEFORMS PACKAGE OUTLINES See “74HC/HCT/HCU/HCMOS Logic Package Outlines”. Fig.6 Waveforms showing the address input (nAn) to output (nYn) propagation delays and the output transition times. (1) HC : VM = 50%; VI = GND to VCC. HCT: VM = 1.3 V; VI = GND to 3 V. Fig.7 Waveforms showing the enable input (nE) to output (nYn) propagation delays and the output transition times. (1) HC : VM = 50%; VI = GND to VCC. HCT: VM = 1.3 V; VI = GND to 3 V. |
类似零件编号 - 74HC139DB |
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类似说明 - 74HC139DB |
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