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Part Name(s) : MC74ACT258 MC74ACT258N MC74ACT258D Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Part Name(s) : MC74F257AJ MC74F257AN MC74F257AD MC74F257A Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Part Name(s) : 74F258A 74F258ASC 74F258ASJ 74F258ASCX 74F258ASJX 74F258APC Fairchild
Fairchild Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Part Name(s) : MC74AC257DG MC74AC257DR2G MC74AC257DTR2G MC74ACT257DG MC74ACT257DR2G MC74ACT257DTR2G ON-Semiconductor
ON Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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


Part Name(s) : 54LS257 SN74LS257D SN74LS257N Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Part Name(s) : SN74LS257BML1 SN74LS257BML2 SN74LS257BMR1 SN74LS257BMR2 SN74LS258BML1 SN74LS258BML2 ON-Semiconductor
ON Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

 

Part Name(s) : 54ACT258DMQB 54ACT258FMQB 54ACT258LMQB National-Semiconductor
National ->Texas Instruments
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Features
- Icc and Ioz reduced by 50%
- MULTIPLEXER expansion by typing OUTPUTS together
- Inverting TRI-STATE OUTPUTS
- OUTPUTS source/sink 24 mA
- ACT258 has TTL-compatible inputs
- Standard Military Drawing (SMD)
    - ACT258: 5962-88704

Part Name(s) : 74ACT258 74ACT258MTC 74ACT258MTCX 74ACT258PC 74ACT258PCX 74ACT258SC 74ACT258SCX 74ACT258SJ 74ACT258SJX 74ACT258CW Fairchild
Fairchild Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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

Part Name(s) : SN74LS257 SN74LS257B SN74LS257BD SN74LS257BDR2 SN74LS257BM SN74LS257BMEL SN74LS257BN SN74LS258B SN74LS258BD SN74LS258BDR2 SN74LS258BM SN74LS258BMEL SN74LS258BN 74LS257 ON-Semiconductor
ON Semiconductor
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

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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