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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) : 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) : 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) : DV74AC251 DV74ACT251 DV74AC251N DV74ACT251N DV74AC251D DV74ACT251D AVG
AVG Semiconductors=>HITEK
Description : 8 Input Multiplexer WITH 3-STATE OUTPUTS, 8 Input Digital Multiplexer View

8 Input Multiplexer WITH 3-STATE OUTPUTS, 8 Input Digital Multiplexer


Part Name(s) : 74F257A 74F257ASC 74F257ASJ 74F257ASCX 74F257ASJX 74F257APC Fairchild
Fairchild Semiconductor
Description : Quad 2-Input Multiplexer WITH 3-STATE OUTPUTS View

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

Part Name(s) : IN74HC257A IN74HC257AD IN74HC257AN IKSEMICON
IK Semicon Co., Ltd
Description : Quad 2-Input DATA SelectOR/MULTIPLEXER WITH 3-STATE OUTPUTS View

Quad 2-Input DATA SelectOR/MULTIPLEXER WITH 3-STATE OUTPUTS
High-Performance Silicon-Gate CMOS

The IN74HC257A is identical in pinout to the LS/ALS257. The device inputs are compatible WITH standard CMOS OUTPUTS; WITH pullup resistors, they are compatible WITH LS/ALSTTL OUTPUTS.
This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input. The nibble is presented at the OUTPUTS in noninverted from when the Output Enable pin is at a low level. A high level on the Output Enable pin switches the OUTPUTS into the high impedance state.

OUTPUTS Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices

 

Part Name(s) : IN74HC258A IN74HC258AN IN74HC258AD IKSEMICON
IK Semicon Co., Ltd
Description : Quad 2-Input DATA Selectors/Multiplexer WITH 3-STATE OUTPUTS View

Quad 2-Input DATA Selectors/Multiplexer
WITH 3-STATE OUTPUTS
High-Performance Silicon-Gate CMOS

The IN74HC258A is identical in pinout to the LS/ALS258. The device inputs are compatible WITH standard CMOS OUTPUTS; WITH pullup resistors, they are compatible WITH LS/ALSTTL OUTPUTS.
This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input. The nibble is presented at the OUTPUTS in inverted form when the Output Enable pin is at a low level. A high level on the Output Enable pin switches the OUTPUTS into the high-impedance state.

OUTPUTS Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices

Part Name(s) : IN74HC257 IN74HC257D IN74HC257N INTE-ElectronicGRAL
Integral Corp.
Description : Quad 2-Input DATA SelectOR/MULTIPLEXER WITH 3-STATE OUTPUTS View

Quad 2-Input DATA SelectOR/MULTIPLEXER WITH 3-STATE OUTPUTS
High-Performance Silicon-Gate CMOS

The IN74HC257 is identical in pinout to the LS/ALS257. The device inputs are compatible WITH standard CMOS OUTPUTS; WITH pullup resistors, they are compatible WITH LS/ALSTTL OUTPUTS.
This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input. The nibble is presented at the OUTPUTS in noninverted from when the Output Enable pin is at a low level. A high level on the Output Enable pin switches the OUTPUTS into the high impedance state.

OUTPUTS Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices

 

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

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