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74LVCH2373APW Fiches technique(PDF) 3 Page - NXP Semiconductors |
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74LVCH2373APW Fiches technique(HTML) 3 Page - NXP Semiconductors |
3 / 12 page Philips Semiconductors Product specification 74LVC2373A 74LVCH2373A Octal D-type transparent latch with 5-volt tolerant inputs/outputs; damping resistor (3-State) 1997 Mar 12 3 PIN CONFIGURATION SV00657 Q0 Q1 Q2 Q3 GND Q4 Q5 Q6 Q7 D0 D1 D2 D3 VCC D4 D5 D6 D7 LE 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OE PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION 1 OE Output enable input (active LOW) 2, 5, 6, 9, 12, 15, 16, 19 Q0–Q7 3-State latch outputs 3, 4, 7, 8, 13, 14, 17, 18 D0–D7 Data inputs 10 GND Ground (0V) 11 LE Latch enable input (active HIGH) 20 VCC Positive supply voltage LOGIC SYMBOL (IEEE/IEC) SV00659 2 5 6 9 12 15 16 19 3 4 7 8 13 14 17 18 C1 EN1 1D 11 1 LOGIC SYMBOL SV00658 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 D0 D1 D2 D3 D4 D5 D6 D7 LE 2 5 6 9 12 15 16 19 11 3 4 7 8 13 14 17 18 1 OE FUNCTIONAL DIAGRAM SV00660 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 D0 D1 D2 D3 D4 D5 D6 D7 LE 1 LATCH 1 to 8 3–STATE OUTPUTS 2 5 6 9 12 15 16 19 3 4 7 8 13 14 17 18 11 OE FUNCTION TABLE OPERATING INPUTS INTERNAL OUTPUTS MODES OE LE Dn LATCHES Q0 to Q7 Enable and read register (transparent mode) L L H H L H L H L H Latch and read register L L L L I h L H L H Latch register and disable outputs H H L L I h L H Z Z H = HIGH voltage level h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition L = LOW voltage level I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition X = Don’t care Z = High impedance OFF-state |
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