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M54HC153 数据表(PDF) 2 Page - STMicroelectronics |
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M54HC153 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 9 page ![]() M54HC153 2/9 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE X : Don’t Care PIN N° SYMBOL NAME AND FUNCTION 1, 15 1G,2G Output Enable Inputs 14, 2 A, B Common Data Select Inputs 6, 5, 4, 3 1C0 to 1C3 Data Inputs From Source 1 7 1Y Multiplexer Output From Source 1 9 2Y Multiplexer Output From Source 2 10, 11, 12, 13 2C0 to 2C3 Data Inputs From Source 2 8 GND Ground (0V) 16 VCC Positive Supply Voltage SELECT INPUTS DATA INPUTS STROBE OUTPUT Y BA C0 C1 C2 C3 G XXXXXX H L LLL X X X LL L L H XXX L H LH X L X X L L LH X H X X LH HL X X L X L L HL X X H X LH H H XXX L L L H H XXX H L H |
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