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MC14539B bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MC14539B bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
1 / 6 page Dual 4-Channel Data Selector/Multiplexer The MC14539B data selector/multiplexer is constructed with MOS P–channel and N–channel enhancement mode devices in a single monolithic structure. The circuit consists of two sections of four inputs each. One input from each section is selected by the address inputs A and B. A “high” on the Strobe input will cause the output to remain “low”. This device finds primary application in signal multiplexing functions. It permits multiplexing from N–lines to I–line, and can also perform parallel–to– serial conversion. The Strobe input allows cascading of n–lines to n–lines. • Supply Voltage Range = 3.0 Vdc to 18 Vdc • Capable of Driving Two Low–Power TTL Loads or One Low–Power Schottky TTL Load Over the Rated Temperature Range MAXIMUM RATINGS* (Voltages Referenced to VSS) Symbol Parameter Value Unit VDD DC Supply Voltage – 0.5 to + 18.0 V Vin, Vout Input or Output Voltage (DC or Transient) – 0.5 to VDD + 0.5 V Iin, Iout Input or Output Current (DC or Transient), per Pin ± 10 mA PD Power Dissipation, per Package† 500 mW Tstg Storage Temperature – 65 to + 150 _C TL Lead Temperature (8–Second Soldering) 260 _C * Maximum Ratings are those values beyond which damage to the device may occur. †Temperature Derating: Plastic “P and D/DW” Packages: – 7.0 mW/ _C From 65_C To 125_C Ceramic “L” Packages: – 12 mW/ _C From 100_C To 125_C TRUTH TABLE Address Inputs Data Inputs ST, ST ′ Outputs Z, W B A X3 Y3 X2 Y2 X1 Y1 X0 Y0 ST, ST ′ Outputs Z, W X X X X X X 1 0 0 0 X X X 0 0 0 0 0 X X X 1 0 1 0 1 X X 0 X 0 0 0 1 X X 1 X 0 1 1 0 X 0 X X 0 0 1 0 X 1 X X 0 1 1 1 0 X X X 0 0 1 1 1 X X X 0 1 X = Don’t Care MOTOROLA SEMICONDUCTOR TECHNICAL DATA © Motorola, Inc. 1995 REV 3 1/94 MC14539B L SUFFIX CERAMIC CASE 620 ORDERING INFORMATION MC14XXXBCP Plastic MC14XXXBCL Ceramic MC14XXXBD SOIC TA = – 55° to 125°C for all packages. P SUFFIX PLASTIC CASE 648 D SUFFIX SOIC CASE 751B BLOCK DIAGRAM 14 2 1 6 5 4 3 15 10 11 12 13 9 7 Z W A B ST X0 X1 X2 X3 A B ST ′ Y0 Y1 Y2 Y3 VDD = PIN 16 VSS = PIN 8 |
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Mô tả tương tự - MC14539B |
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