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SL74LV244DW Arkusz danych(PDF) 1 Page - System Logic Semiconductor |
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SL74LV244DW Arkusz danych(HTML) 1 Page - System Logic Semiconductor |
1 / 4 page TECHNICAL DATA 1 System Logic Semiconductor SLS OCTAL BUFFER/LINE DRIVE; 3-STATE The SL74LV244 is a low-voltage Si-gate CMOS device and is pin and function compatible with SL74HC/HCT244. The SL74LV244 is an octal non-inverting buffer/line driver with 3- state outputs. The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH on nOE causes the outputs to assume a high impedance OFF-state. The SL74LV244 is identical to the SL74LV240 but has non-inverting outputs. • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 1.2 to 3.6 V • Low Input Current: 1.0 µA, 0.1 µÀ at Ò = 25 °Ñ • Output Current: 8 mA at V CC = 3.0 V • High Noise Immunity Characteristic of CMOS Devices SL74LV244 N SUFFIX PLASTIC DIP DW SUFFIX SO 1 20 1 20 ORDERING INFORMATION SL74LV244N Plastic DIP SL74LV244DW SOIC TA = -40 ° to 125° C for all packages FUNCTION TABLE Input Output nOE nAn nYn L L L L H H H X Z H= high level L = low level X = don’t care Z = high impedance LOGIC DIAGRAM PIN 20=VCC PIN 10 = GND PIN ASSIGNMENT 1 2 3 5 4 6 7 8 9 10 V CC 20 18 17 16 15 14 19 11 12 13 GND 2OE 1OE 1A 0 2Y 3 1A 1 2Y 2 1A 2 2Y 1 1A 3 2Y 0 1Y 0 2A 3 1Y 1 2A 2 1Y 2 2A 1 1Y 3 2A 0 2 11 6 15 4 13 8 17 1 19 1A 0 1Y0 2A 0 2Y 0 1A 2 1Y 2 2A 0 2Y 0 1A 1 1Y1 2A 1 2Y 1 1A 3 1Y3 2A 1 2Y 1 1OE 2OE 18 9 14 5 16 7 12 3 DATA INPUTS NONINVERTING OUTPUTS OUTPUT ENABLES |
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