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74F845 Datasheet(PDF) 6 Page - NXP Semiconductors |
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74F845 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 18 page Philips Semiconductors Product specification 74F841/74F842/74F843/ 74F845/74F846 Bus interface latches 1999 Jun 23 6 LOGIC DIAGRAM for 74F841 1 OE VCC = Pin 24 GND = Pin 12 LQ D Q0 23 13 LE D0 2 LQ D Q1 22 D1 3 LQ D Q2 21 D2 4 LQ D Q3 20 D3 5 LQ D Q4 19 D4 6 LQ D Q5 18 D5 7 LQ C D Q6 17 D6 8 LQ D Q7 16 D7 9 LQ D Q8 15 D8 10 LQ D Q9 14 D9 11 SF01297 LOGIC DIAGRAM for 74F842 1 OE VCC = Pin 24 GND = Pin 12 LQ D Q0 23 13 LE D0 2 LQ D Q1 22 D1 3 LQ D Q2 21 D2 4 LQ D Q3 20 D3 5 LQ D Q4 19 D4 6 LQ D Q5 18 D5 7 LQ C D Q6 17 D6 8 LQ D Q7 16 D7 9 LQ D Q8 15 D8 10 LQ D Q9 14 D9 11 SF01298 FUNCTION TABLE for 74F841 and 74F842 INPUTS OUTPUTS INPUTS 74F841 74F842 OPERATING MODE OE LE Dn Qn Qn L H L L H Transparent L H H H L Transparent L ↓ l L H Latched L ↓ h H L Latched H X X Z Z High Impedance L L X NC NC Hold H = High voltage level L = Low voltage level h = High state one setup time before the High-to-Low LE transition l = Low state one setup time before the High-to-Low LE transition ↓ = High-to-Low transition X = Don’t care NC= No change Z = High impedance “off” state |
Similar Part No. - 74F845 |
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Similar Description - 74F845 |
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