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Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The MC74F258A 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 the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Inverting 3-STATE OUTPUTS
• AC Enhanced Version of the F258

Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The MC74AC258/74ACT258 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 the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Inverting 3-STATE OUTPUTS
OUTPUTS Source/Sink 24 mA
• ′ACT258 Has TTL Compatible Inputs

Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The MC74F257 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 (non-inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus oriented systems.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High-Speed Termination Effects
• AC Enhanced Version of the F257

Fairchild
Fairchild Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

General Description
The 74F258A 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 the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
MULTIPLEXER expansion by tying OUTPUTS together
■ Inverting 3-STATE OUTPUTS

Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Noninverting 3−State OUTPUTS
OUTPUTS Source/Sink 24 mA
• ′ACT257 Has TTL Compatible Inputs
• These are Pb−Free Devices

Fairchild
Fairchild Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

General Description
The 74F257A 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 (non-inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
MULTIPLEXER expansion by tying OUTPUTS together
■ Non-inverting 3-STATE OUTPUTS
■ Input clamp diodes limit high-speed termination effects

Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

TheLSTTL/MSI SN54/74LS257B and the SN54/74LS258B are QUAD 2-INPUTMULTIPLEXERs WITH 3-STATE OUTPUTS. Four bits of data from twosources canbe selected using a Common Data Select input. The four OUTPUTS present the selected data in true (non-inverted) form. The OUTPUTS may be switched to ahigh impedance state WITH a HIGH on the common Output Enable (EO) In put,allowing the OUTPUTS to interface directly WITH bus oriented systems. It is fabricatedWITH the Schottky barrier diode process for high speedand is completely compatible WITH all Motorola TTL families.

• Schottky Process For High Speed
MULTIPLEXER Expansion By Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts

Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The LSTTL/MSI SN74LS257B and the SN74LS258B are QUAD 2-INPUT MULTIPLEXERs 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 (non-inverted) form. The OUTPUTS may be  switched to a high impedance state WITH a HIGH on the common Output Enable (EO) Input,  allowing the OUTPUTS to interface directly WITH bus oriented systems. It is fabricated WITH  the Schottky barrier diode process for high speed and is completely compatible WITH all ON Semiconductor TTL families.

• Schottky Process For High Speed
MULTIPLEXER Expansion By Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts

 

Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

General Description
The ACT258 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 the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
■ ICC and IOZ reduced by 50%
MULTIPLEXER expansion by tying OUTPUTS together
■ Inverting 3-STATE OUTPUTS
OUTPUTS source/sink 24 mA
■ TTL-compatible inputs

Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The LSTTL/MSI SN74LS257B and the SN74LS258B are QUAD 2-INPUT MULTIPLEXERs 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 (non-inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (EO) Input, allowing the OUTPUTS to interface directly WITH bus oriented systems. It is fabricated WITH the Schottky barrier diode process for high speed and is completely compatible WITH all ON Semiconductor TTL families.

• Schottky Process For High Speed
MULTIPLEXER Expansion By Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts

 

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