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74HC646D 数据表(PDF) 9 Page - NXP Semiconductors |
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74HC646D 数据表(HTML) 9 Page - NXP Semiconductors |
9 / 12 page September 1993 9 Philips Semiconductors Product specification Octal bus transceiver/register; 3-state 74HC/HCT646 AC WAVEFORMS Fig.6 Waveforms showing the input An, Bn to output Bn, An 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 An,Bn to CPAB, CPBA set-up and hold times, clock CPAB,CPBA pulse width, maximum clock pulse frequency and the CPAB,CPBA to output Bn,An propagation delays. (1) HC : VM = 50%; VI = GND to VCC. HCT: VM = 1.3 V; VI = GND to 3 V. Fig.8 Waveforms showing the input SAB,SBA to output Bn,An propagation delays and 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 - 74HC646D |
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类似说明 - 74HC646D |
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