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MC74F543

Motorola
Part Number MC74F543
Manufacturer Motorola
Description OCTAL REGISTERED TRANSCEIVER / NON-INVERTING / 3-STATE
Published Jan 7, 2006
Detailed Description MC74F543 OCTAL REGISTERED TRANSCEIVER, NON-INVERTING, 3-STATE The MC74F543 Octal Registered Transceivers contain two set...
Datasheet PDF File MC74F543 PDF File

MC74F543
MC74F543

Overview
MC74F543 OCTAL REGISTERED TRANSCEIVER, NON-INVERTING, 3-STATE The MC74F543 Octal Registered Transceivers contain two sets of data flowing in either direction.
Separate Latch Enable (LEAB, LEBA) and Enable (OEAB, OEBA) inputs are provided for each register to permit independent control of inputting and outputting in either direction of data flow.
The MC74F543 has a noninverting data path.
The A outputs are guaranteed to sink 20 mA while the B outputs are rated for 64 mA.
OCTAL REGISTERED TRANSCEIVER, NON-INVERTING, 3-STATE FAST™ SCHOTTKY TTL • • • • • • • • • • • Combines 74F245 and 74F373 Type Functions in One Chip 8-Bit Octal Transceiver Non-Inverting Back-to-Back Registers for Storage Separate Controls for Data Flow in Each Direction Glitchless Outputs During 3-State Power Up or Power Down Operation High Impedance Outputs in Power Off State A Outputs Sink 24 mA and Source 3.
0 mA B Outputs Sink 64 mA and Source 15 mA See F544 for Inverting Version ESD Protection > 4000 Volts PIN ASSIGNMENT VCC EBA 24 23 B0 22 B1 21 B2 20 B3 19 B4 18 B5 17 B6 16 B7 LEAB OEAB 15 14 13 24 1 N SUFFIX PLASTIC CASE 724-03 24 1 DW SUFFIX SOIC CASE 751E-03 ORDERING INFORMATION MC74FXXXN Plastic MC74FXXXDW SOIC 1 2 3 4 A1 5 A2 6 A3 7 A4 8 A5 9 A6 10 A7 11 12 LEBA OEBA A0 EAB GND GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current — High Output Current — Low Parameter 74 74 74 74 Min 4.
5 0 Typ 5.
0 25 Max 5.
5 70 – 3.
0 / – 15 24 / 64 Unit V °C mA mA FAST AND LS TTL DATA 4-212 MC74F543 FUNCTION TABLE Inputs OEXX H L L L L L L EXX X H H L L L L LEXX X L L H H L L Data X l h l h L H Outputs Z Z Z L H L H Status Outputs disabled Outputs disabled Data latched Data latched Transparent H = HIGH voltage level: h = HIGH state must be present one set-up time before the LOW-to-HIGH transition of LEXX or EXX (XX = AB or BA): L = LOW Voltage Level: I = LOW state must be present one set-up time before the LOW-to-HIGH transition of...


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