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Part Name(s) : IN74ACT257D IN74ACT257N IN74ACT257 IKSEMICON
IK Semicon Co., Ltd
Description : Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS View

The IN74ACT257 is identical in pinout to the LS/ALS257, HC/HCT257. The IN74ACT257 may be used as a level converter for interfacing TTL or NMOS Outputs to High Speed CMOS inputs.
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.

• TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
Outputs Source/Sink 24 mA

Part Name(s) : IN74AC258 IN74AC258N IN74AC258D IKSEMICON
IK Semicon Co., Ltd
Description : Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS View

The IN74AC258 is identical in pinout to the LS/ALS258, HC/HCT258. The device inputs are compatible with standard CMOS Outputs; with pullup resistors, they are compatible with LS/ALS 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 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; 0.1 μA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
Outputs Source/Sink 24 mA

Part Name(s) : IN74AC257 IN74AC257D IN74AC257N IKSEMICON
IK Semicon Co., Ltd
Description : Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS View

The IN74AC257 is identical in pinout to the LS/ALS257, HC/HCT257. The device inputs are compatible with standard CMOS Outputs; with pullup resistors, they are compatible with LS/ALS 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 highimpedance state.

Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 μA; 0.1 μA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Output Source/Sink 24 mA

Part Name(s) : CD54HC258 CD54HCT258 CD74HC258 CD74HCT258 CD74HC258M CD74HCT258M CD74HC258E CD74HCT258E TI
Texas Instruments
Description : High-Speed CMOS Logic Quad 2-Input Multiplexer with 3-State Inverting Outputs View

High-Speed CMOS Logic Quad 2-Input Multiplexer with 3-State Inverting Outputs


Part Name(s) : IN74ACT253 IN74ACT253N IN74ACT253D IKSEMICON
IK Semicon Co., Ltd
Description : Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Speed Silicon-Gate CMOS View

The IN74ACT253 is identical in pinout to the LS/ALS253, HC/HCT253. The IN74ACT253 may be used as a level converter for interfacing TTL or NMOS Outputs to High Speed CMOS inputs.
The Address Inputs select one of four Data Inputs from each multiplexer. Each multiplexer has an active-low Output Enable control and a three-state noninverting output.

• TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
Outputs Source/Sink 24 mA

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) : IN74HC258D IN74HC258N IN74HC258 Integral
Integral Corp.
Description : Quad 2-Input Data Selectors/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS View

The IN74HC258 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



 


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