SN74LS257BD Texas Instruments - Yeehing Electronics

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

Pricing (USD)

Quantity	Unit Price
1 — 99	0.771
100 — 249	0.593
250 — 999	0.436
1,000 +	0.22

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Encoders, Decoders, Multiplexers & Demultiplexers
RoHS	Y
Product	Selectors / Multiplexers
Logic Family	LS
Number of Bits	4 bit
Number of Input Lines	2 Input
Number of Output Lines	1 Output
Propagation Delay Time	21 ns
Supply Voltage - Min	4.75 V
Supply Voltage - Max	5.25 V
Minimum Operating Temperature	0 C
Maximum Operating Temperature	+ 70 C
Mounting Style	SMD/SMT
Package / Case	SOP-16
Packaging	Tube
Function	Devices are Designed to multiplex signals from four-bit data
Height	1.58 mm
Input Voltage	0.8 V to + 2 V
Length	9.9 mm
Number of Circuits	Quad
Operating Temperature Range	0 C to + 70 C
Output Current	24 mA
Output Voltage	5.5 V
Series	SN74LS257B
Technology	Bipolar
Width	3.91 mm
Brand	Texas Instruments
Logic Type	Data Selectors/Multiplexers
High Level Output Current	- 2.6 mA
Low Level Output Current	24 mA
Maximum Clock Frequency	35 MHz
Operating Supply Voltage	5 V
Product Type	Encoders, Decoders, Multiplexers & Demultiplexers
Factory Pack Quantity	40
Subcategory	Logic ICs
Unit Weight	0.004998 oz

For more information, please refer to datasheet

Documents

SN74LS257BD Datasheet

More Information

These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G) is at a high-logic level.