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74LCX32244 Folha de dados(PDF) 2 Page - Fairchild Semiconductor |
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74LCX32244 Folha de dados(HTML) 2 Page - Fairchild Semiconductor |
2 / 7 page www.fairchildsemi.com 2 Connection Diagram (Top Thru View) Functional Description The LCX32244 contains thirty-two non-inverting buffers with 3-STATE standard outputs. The device is nibble (4-bits) controlled with each nibble functioning identically, but independent of the other. The control pins can be shorted together to obtain full 32-bit operation. The 3-STATE outputs are controlled by an Output Enable (OEn) input for each nibble. When OEn is LOW, the outputs are in 2-state mode. When OEn is HIGH, the outputs are in the high impedance mode, but this does not interfere with entering new data into the inputs. Pin Descriptions FBGA Pin Assignments Truth Table H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial (HIGH or LOW, inputs may not float) Z = High Impedance Logic Diagrams Pin Names Description OEn Output Enable Input (Active LOW) I0–I31 Inputs O0–O31 Outputs 1 234 56 A O1 O0 OE1 OE2 I0 I1 B O3 O2 GND GND I2 I3 C O5 O4 VCC VCC I4 I5 D O7 O6 GND GND I6 I7 E O9 O8 GND GND I8 I9 F 011 O10 VCC VCC I10 I11 G O13 O12 GND GND I12 I13 H O14 O15 OE4 OE3 I15 I14 J O17 O16 OE5 OE6 I16 I17 K O19 018 GND GND I18 I19 L O21 O20 VCC VCC I20 I21 M O23 O22 GND GND I22 I23 N O25 O24 GND GND I24 I25 P O27 O26 VCC VCC I26 I27 R O29 O28 GND GND I28 I29 T O30 O31 OE8 OE7 I31 I30 Inputs Outputs OEn In On LL L LH H HX Z |
Nº de peça semelhante - 74LCX32244 |
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Descrição semelhante - 74LCX32244 |
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