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74HC4351 数据表(PDF) 3 Page - NXP Semiconductors |
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74HC4351 数据表(HTML) 3 Page - NXP Semiconductors |
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3 / 17 page ![]() December 1990 3 Philips Semiconductors Product specification 8-channel analog multiplexer/demultiplexer with latch 74HC/HCT4351 PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 4 Z common 3, 14 n.c. not connected 7 E1 enable input (active LOW) 8E2 enable input (active HIGH) 9VEE negative supply voltage 10 GND ground (0 V) 11 LE latch enable input (active LOW) 15, 13, 12 S0 to S2 select inputs 17, 18, 19, 16, 1, 6, 2, 5 Y0 to Y7 independent inputs/outputs 20 VCC positive supply voltage Fig.1 Pin configuration. Fig.2 Fig.3 IEC logic symbol. |
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