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Part Number: MC74ACT257
Description: The MC74AC257/74ACT257 is a quad 2-input multiplexer with 3-state outputs. Four bits of data from two ...
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MC74ACT257
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DataSheet
General Description
MC74ACT257 General Description
The MC74AC257/74ACT257 is a quad 2-input multiplexer with 3-state outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (noninverted) form. The outputs may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus-oriented systems.
MC74ACT257 Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
VCC |
DC Supply Voltage (Referenced to GND) |
0.5 to +7.0 |
V |
|
Vin |
DC Input Voltage (Referenced to GND) |
0.5 to VCC +0.5 |
V |
|
Vout |
DC Output Voltage (Referenced to GND) |
0.5 to VCC +0.5 |
V |
|
Iin |
DC Input Current, per Pin |
±20 |
mA |
|
Iout |
DC Output Sink/Source Current, per Pin |
±50 |
mA |
|
ICC |
DC VCC or GND Current per Output Pin |
±50 |
mA |
|
Tstg |
Storage Temperature |
65 to +150 |
should be restricted to the Recommended Operating Conditions.
MC74ACT257 Features
• Multiplexer Expansion by Tying Outputs Together
• Noninverting 3-State Outputs
• Outputs Source/Sink 24 mA
• 'ACT257 Has TTL Compatible Inputs
• Noninverting 3-State Outputs
• Outputs Source/Sink 24 mA
• 'ACT257 Has TTL Compatible Inputs
MC74ACT257 Connection Diagram
MC74ACT257
PDF/DataSheet Download
- Datasheet: MC74ACT257
- File Size: 177528 KB
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