MC74AC257 Selling Leads, Price trend, MC74AC257 DataSheet download, circuit diagram from SeekIC.com

Features: • Multiplexer Expansion by Tying Outputs Together• Noninverting 3-State Outputs• Outputs Source/Sink 24 mA• 'ACT257 Has TTL Compatible InputsPinoutSpecifications Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) 0.5 to ...

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SeekIC No. : 004416656 Detail

MC74AC257: Features: • Multiplexer Expansion by Tying Outputs Together• Noninverting 3-State Outputs• Outputs Source/Sink 24 mA• 'ACT257 Has TTL Compatible InputsPinoutSpecifications ...

MC74AC257 Data Sheet

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Part Number:: MC74AC257
Supply Ability:: 5000

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Upload time: 2024/11/27

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Product Details

Description

Features:

• Multiplexer Expansion by Tying Outputs Together
• Noninverting 3-State Outputs
• Outputs Source/Sink 24 mA
• 'ACT257 Has TTL Compatible Inputs

Pinout

Connection Diagram

Specifications

Symbol	Parameter	Value	Unit
V_CC	DC Supply Voltage (Referenced to GND)	0.5 to +7.0	V
V_in	DC Input Voltage (Referenced to GND)	0.5 to V_CC +0.5	V
V_out	DC Output Voltage (Referenced to GND)	0.5 to V_CC +0.5	V
I_in	DC Input Current, per Pin	±20	mA
I_out	DC Output Sink/Source Current, per Pin	±50	mA
I_CC	DC V_CC or GND Current per Output Pin	±50	mA
T_stg	Storage Temperature	65 to +150

* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation
should be restricted to the Recommended Operating Conditions.

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 of MC74AC257 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.

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MC74AC257

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