74ls138 binary decoder datasheet pdf

Cmos dual binary to 1of4 decoderdemultiplexer with outputs high on select datasheet. Philips semiconductors product specification 1of8 decoderdemultiplexer 74als8 1996 jul 03 2 8531848 17016 features demultiplexing capability multiple input enable for easy expansion ideal for memory chip select decoding description the 74als8 decoder accepts three binary. The decoder accepts three binary weighted inputs a0, a1, a2 and when enabled provides eight mutually exclusive active low outputs o0. They offer active low, high sink current outputs for driving indicators directly. The circuit accepts 4bit binary codeddecimal bcd and, depending on the state of the auxiliary inputs, decodes this data to drive other components. 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. A 24line decoder can be implemented without external inverters and a 32line decoder requires only one. The decoder accepts three binary weighted inputs a 0, a 1, a 2 and when enabled provides eight mutually exclusive active low outputs o 0o7. The output of the decoder can drive 10 lowpower schottky ttl equal loads, and all the inputs are defended from harm because of. The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active low outputs.

Motorola reserves the right to make changes without further notice to any products herein. The ls8, sn54s8, and sn74s8a decode one of eight lines dependent on the conditions at the three binary select inputs and the three enable inputs. Dm74ls8 dm74ls9 decoderdemultiplexer physical dimensions inches millimeters unless otherwise noted continued 16lead plastic dualinline package pdip, jedec ms001, 0. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola assume any liability arising out of the application or use of any product or circuit.

Dual binary to 1of4 decoderdemultiplexer the mc14555b and mc14556b are constructed with complementary mos cmos enhancement mode devices. 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. When the latch is enabled le low, the 74hc7 acts as a 3to8 active low decoder. The device features two input enable e0 and e1 inputs. 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. The lsttlmsi sn74ls8 is a high speed 1of8 decoder demultiplexer. Tsl230 and a 74ls8 3 line to 8 line decoder tied to some leds, we can construct a uv monitor. This multiple enable function allows easy parallel expansion to a 1of32 5 to 32 lines decoder with just four 8 ics and one inverter.

The device features three enable inputs e1 and e2 and e3. Where designed to be soldered at high temperatures, rohs products are. Aug 18, 2019 the 74ls decode one of eight lines dependent on the conditions at the three binary select inputs and the three enable inputs. 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 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. Inclass activity748 octal decoder design a circuit based on a 748 3lineto8line decoder that will output a high whenever the 3bit binary input is greater than 4. By providing cascading circuitry enable input ei and enable output eo octal. This device is ideally suited for high speed bipolar memory chip select address decoding. Mar 09, 2020 748 decoder pdf 74ls is a member from 74xxfamily of ttl logic gates. Fairchild decoder demultiplexer,alldatasheet, datasheet, datasheet search site for electronic. Sn54 74ls8 functional description the ls8 is a high speed 1of8 decoder demultiplexer fabricated with the low power schottky barrier diode process. The 74hc23874hct238 decoders accept three binary weighted address inputs a0, a1, a2 and when enabled, provide 8 mutually exclusive active high outputs y0 to y7. Every output will be low unless e1 and e2 are low and. Sep 21, 2018 74ls8 datasheet epub download 74ls, 74ls datasheet, 74ls pdf, buy 74ls, 74ls 3 to 8 decoder. The 74hc7 essentially combines the 3to8 decoder function with a 3bit storage latch. Decoder demultiplexer, 748 datasheet, 748 circuit, 748 data sheet.

In highperformance memory systems these decoders can be used to minimize effects of system decoding. 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. Seven nand gates and one driver are connected in pairs to make bcd data and its complement available to the seven decoding andorinvert gates. Each decoderdemultiplexer has two select inputs a and b, an active low enable input e, and four mutually exclusive outputs q0, q1, q2, q3. Dec 25, 2016 74hc8 datasheet 3to8 line decoderdemultiplexer, 74hc8 pdf, 74hc8 pinout, 74hc8 manual, 74hc8 schematic, 74hc8 arduino, 74hc8 data. Each decoder has two select inputs a and b, an enable input e\, and four mutually exclusive outputs. Physical dimensions inches millimeters unless otherwise noted continued16lead plastic dualinline package pdip, jedec ms001, 0.

Decoder the sn5474ls48 is a bcd to 7segment decoder consisting of nand gates, input buf fers and seven andorinvert gates. These devices contain four independent 2input and gates. Sn5474ls8 functional description the ls8 is a high speed 1of8 decoderdemultiplexer fabricated with the low power schottky barrier diode process. 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. Decoder the sn5474ls48 is a bcd to 7segment decoder consisting of nand. Motorola makes no warranty, representation or guarantee regarding. The ls8 features three enable inputs, two active low e1, e2 and one active high e3. The actual purpose of this chip is designed for demultiplexing or in machine language we can say as a decoding device. Dual 1of4 decoder demultiplexer the lsttlmsi sn5474ls9 is a high speed dual 1of4 decoderdemultiplexer. Not more than one output should be shorted at a time, and the duration should not exceed one second.

Every output is high unless e1 and e2 are low and e3 is high. Fairchild, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. It decodes four binary weighted address inputs a0 to a3 to sixteen mutually exclusive outputs y0 to y15. Sn54 74ls8 functional description the ls8 is a high speed 1of8 decoderdemultiplexer fabricated with the low power schottky barrier diode process. Apr 09, 2019 748 decoder pdf 74ls is a member from 74xxfamily of ttl logic gates. Dm74ls9 decoder demultiplexer 74ls8 74ls8 smd 74ls9 decoderdemultiplexer general description these schottkyclamped circuits are designed to be used in highperformance memorydecoding or datarouting applications, requiring very short propagation delay times. The 74hc7 is a 3to8 line decoder, demultiplexer with latches at the three address inputs an. Decodder highperformance memory systems, these decoders can be used to minimize the effects of system decoding. The chip is designed for decoding or demultiplexing applications and comes with 3 inputs to 8 output setup. All inputs are protected from damage due to static discharge by diodes to vcc and ground. The chip is designed for decoding or demultiplexing applications and comes with 3. When the binary input is less than or equal to 4, it will output a low.

Static characteristics voltages are referenced to gnd ground 0 v symbol parameter conditions 74hc9. Technical information fairchild semiconductor 74ls8 datasheet. Cd4555b cmos dual binary to 1of4 decoderdemultiplexer. This means that the effective system delay introduced by the schottkyclamped system decoder is negligible. 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. Data sheet current 75 kb representative datasheet, mfg may vary.

The ls156 is a dual 1of4 decoderdemultiplexer with common address inputs and separate gated enable inputs. Performs the demultiplexing function by distributing data from one input line to any one of 16 outputs 3. Recent listings manufacturer directory get instant insight into any electronic component. Sn5474ls8 1of8 decoder demultiplexer datasheet catalog. Ttl 74ls8 to 7 segment datasheet, cross reference, circuit and application notes in pdf format. These schottkyclamped circuits are designed to be used in highperformance memorydecoding. The mm74hc8 has 3 binary select inputs a, b, and c. In highperformance memory systems these decoders can. A high on either of the input enables forces the outputs high. The ls148 encodes eight data lines to threeline 421 binary octal. The 74ls decode one of eight lines dependent on the conditions at the 74ls8 datasheet binary select inputs and the three enable 74ls8 datasheet. Dm74ls154 4line to 16line decoderdemultiplexer dm74ls154 4line to 16line decoderdemultiplexer general description each of these 4lineto16line decoders utilizes ttl circuitry to decode four binary coded inputs into one of sixteen mutually exclusive outputs when both the strobe inputs, g1 and g2, are low. There are two active low enable inputs e1 and e2, and one active high enable input e3. A 24line decoder can be implemented with no external inverters, and a.

The decoder accepts three binary weighted inputs a 0, a 1, a 2 and when enabled provides eight mutually exclusive active low outputs o 0 o7. Decoder demultiplexer, 74ls8 datasheet, 74ls8 circuit, 74ls8 data sheet. The decoder accepts three binary weighted inputs a0, a1, a2 and when enabled provides eight mutually exclusive active. Where designed to be soldered at high temperatures, rohs products are suitable for use. The device takes 3 input data and converts it to 8bit data. Each decoder demultiplexer has two select inputs a and b, an active low enable input e, and four mutually exclusive outputs q0, q1, q2, q3. The ls8 is a high speed 1of8 decoderdemultiplexer fabricated with the low power schottky barrier diode process. When the latch enable le goes from lowtohigh, the last data present. If the enable requirements of each decoder are not met, all outputs of that. Ask yourself whether you want to control this function via the inputs to the chip or. Every output will be low unless e1 and e2 are low and e3 is high.