Decoderdemultiplexer others with the same file for datasheet. Seven nand gates and one driver are connected in pairs. The chip is designed for decoding or demultiplexing applications and comes with 3. Ti defines rohs to mean semiconductor products that are compliant with the current eu rohs requirements for all 10 rohs substances, including the requirement that rohs substance do not exceed 0.
At the entrance receives a 3bit number which multiplexes on an 8bit number the 7segment display. Fairchild decoderdemultiplexer,alldatasheet, datasheet, datasheet search site for electronic. Seven nand gates and one driver are connected in pairs to make bcd data and its complement available to the seven decoding andorinvert gates. The device inputs are compatible with standard cmos outputs. These schottkyclamped circuits are designed to be used in highperformance memorydecoding. Every output will be low unless e1 and e2 are low and e3 is high. This product is retired and we wont sell it anymore. Fairchild, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The 8 can be used as an eight output demultiplexer by using one of the active low enable inputs as the data input and the remaining enable inputs as strobes. Decoderdemultiplexer, 74ls8 pdf download, 74ls8 download, 74ls8 down, 74ls8 pdf down, 74ls8 pdf download, 74ls8 datasheets, 74ls8. Bcd to 7segment decoder the sn5474ls48 is a bcd to 7segment decoder consisting of nand gates, input buf fers and seven andorinvert gates. This multiple enable function allows easy parallel expansion of the 238 to a 1to32 5 lines to 32 lines decoder with just four 238 ics and one inverter.
This means that the effective system delay introduced by the schottkyclamped system decoder is negligible. The device accepts a three bit binary weighted address on input pins a0, a1 and a2 and when enabled will produce one active low output with the remaing seven being high. Every output will be low unless e1 and e2 are low and. All outputs remain off for all invalid binary input conditions. The lsttlmsi sn54 74ls8 is a high speed 1of8 decoder demultiplexer. This device is ideally suited for high speed bipolar memory chip select address decoding. The 74ls8 decoder utilizes advanced silicongate ttl technology and are well suited to memory address decoding or data routing applications both circuits feature high noise immunity and low power consumption usually associated with ttl circuitry yet have speeds comparable to low power.
Philips semiconductors product specification 1of8 decoderdemultiplexer 74als8 1996 jul 03 4 absolute maximum ratings operation beyond the limit set forth in. All of these decodersdemultiplexers feature fully buffered inputs. In highperformance memory systems these decoders can be used to minimize. The multiple input enables allow parallel expansion to a 1of24 decoder using just three ls8 devices or to a 1of32 decoder using four ls8s and one inverter. Electronic component search and free download site. Sep 21, 2018 74ls8 datasheet epub download 74ls, 74ls datasheet, 74ls pdf, buy 74ls, 74ls 3 to 8 decoder.
Select the part name and then you can download the datasheet. The absolute maximum ratings are those values beyond whichthe safety of the device cannot be guaranteed. This device is ideally suited for highspeed bipolar memory chip select address decoding. This device is ideally suited for high speed bipolar memory chip select address. The multiple input enables allow parallel expansion to a 1of24 decoder using just three f8 devices or a 1of32 decoder using four f8. The 74ls8 is a high speed 1of8 decoderdemultiplexer. Dm74ls154 4line to 16line decoderdemultiplexer dm74ls154 4line to 16line decoderdemultiplexer general description each of these 4lineto16line decoders utilizes ttl circuitry to decode four binarycoded inputs into one of sixteen mutually exclusive outputs when both the strobe inputs, g1 and g2, are low. Oct 25, 2018 74ls8 datasheet decoder demultiplexer, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. Philips semiconductors product specification 1of8 decoderdemultiplexer 74als8 1996 jul 03 4 absolute maximum ratings operation beyond the limit set forth in this table may impair the useful life of the device. The sn5474ls48 is a bcd to 7segment decoder consisting of nand gates, input buf fers and seven andorinvert gates. There are two active low enable inputs e1 and e2, and one active high enable input e3. Physical dimensions inches millimeters unless otherwise noted16lead small outline integrated circuit soic, jedec ms012, 0.
The lsttlmsi sn5474ls8 is a high speed 1of8 decoder demultiplexer. They offer active low, high sink current outputs for driving indicators directly. This multiple enable function allows easy parallel expansion of the 238 to a 1to32 5 lines to. When employed with highspeed memories utilizing a fast enable circuit, the delay times of these decoders and the enable time of the memory are usually less than the typical access time of the memory. Seven nand gates and one driver are connected in pairs to make bcd data and its complement. Retired 74ls8 ic, 3 to 8 decoderdemultiplexer, dil. Memory decoders data transmission systems dm74ls8 3to8line decoders incorporates 3 enable inputs to simplify cascading andor data reception schottky clamped for high performance the. Gate cmos the 74hc8 is identical in pinout to the ls8. Technical information fairchild semiconductor 74ls8 datasheet. The recommended operating conditions table will define the conditionsfor actual device operation. In highperformance memory systems these decoders can be used to minimize effects of system decoding. The parametric values defined in the electricalcharacteristics tables are not guaranteed at the absolute maximum ratings. These schottkyclamped circuits are designed to be used in highperformance memorydecoding or datarouting applications, requiring very short propagation delay times. Permanently tie unused enable inputs to their appropriate active high or.
All inputs are protected from damage due to static discharge by diodes to vcc and ground. Decoderdemultiplexer, 74ls8 datasheet, 74ls8 circuit, 74ls8 data sheet. The activelow enable input can be used as a data line in demultiplexing applica tions. Distributing your curated content through a newsletter is a great way to nurture and engage your email subscribers will developing your traffic and visibility. Where designed to be soldered at high temperatures, rohs products are. The multiple input enables allow parallel expansion to a 1of24 decoder. Bcd to 7segment decoderdriver the sn5474ls47 are low power schottky bcd to 7segment decoder drivers consisting of nand gates, input buffers and seven andorinvert gates. The lsttlmsi sn5474ls8 is a high speed 1of8 decoder. In highperformance memory systems these decoders can. Sn5474ls8 1of8 decoder demultiplexer datasheet catalog. Fairchild, alldatasheet, datasheet, datasheet search site for electronic components. Fairchild decoder demultiplexer,alldatasheet, datasheet, datasheet search site for electronic. Dec 25, 2016 74hc8 datasheet 3to8 line decoderdemultiplexer, 74hc8 pdf, 74hc8 pinout, 74hc8 manual, 74hc8 schematic, 74hc8 arduino, 74hc8 data. Dm74ls9 decoderdemultiplexer 74ls8 74ls8smd 74ls9 decoderdemultiplexer general description these schottkyclamped circuits are designed to be used in highperformance memorydecoding or datarouting applications, requiring very short propagation delay times.
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