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74ALS374N Datasheet(PDF) 4 Page - NXP Semiconductors |
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74ALS374N Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 13 page Philips Semiconductors Product specification 74ALS373/74ALS374 Latch/flip-flop 1991 Feb 08 4 LOGIC DIAGRAM – 74ALS373 VCC = Pin 20 GND = Pin 10 D0 D E Q Q0 3 2 D1 D E Q Q1 4 5 D2 D E Q Q2 7 6 D3 D E Q Q3 8 9 D4 D E Q Q4 13 12 D5 D E Q Q5 14 15 D6 D E Q Q6 17 16 D7 D E Q Q7 18 19 11 1 E OE SF00256 FUNCTION TABLE – 74ALS373 INPUTS INTERNAL REGISTER OUTPUTS OPERATING MODE OE E Dn INTERNAL REGISTER Q0 – Q7 OPERATING MODE L H L L L Enable and read register L H H H H Enable and read register L ↓ l L L Latch and read register L ↓ h H H Latch and read register L L X NC NC Hold H L X NC Z Disable outputs H H Dn Dn Z Disable outputs H = High-voltage level h = High state must be present one setup time before the High-to-Low enable transition L = Low-voltage level l = Low state must be present one setup time before the High-to-Low enable transition NC= No change X = Don’t care Z = High impedance “off” state ↓ = High-to-Low enable transition |
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Descripción similar - 74ALS374N |
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