This decoder circuit gives 8 logic outputs for 3 inputs and has a enable pin. Differential output refers to the fact that each channel has a complement channel, i. In the on state, an open collector will supply a path to ground. Sn74ls145n datasheet15 pages motorola 1of10 decoder. Octal buffersdrivers with opencollector outputs datasheet. Low power version of 5474145 input clamp diodes limit high speed termination effects connection diagram dip top view 14 12 11 10 9 12345 67 16 15 8 vcc q0 p0 p1 p2 p3 q9 q8 q7 q1 q2 q3 q4 q5 q6 gnd. Bcd to 7segment decoderdriver with opencollector outputs general description the ls47 accepts four lines of bcd 8421 input data, generates their complements internally and decodes the data with seven andor gates having opencollector outputs to drive indicator segments directly. Revised march 2000 dm74ls47 bcd to 7segment decoderdriver with opencollector outputs general description features the. Mc74hc238ad mc74hc238a 1of8 decoder demultiplexer high. Sn74ls156 dual 2line to 4line decodersdemultiplexers with.
The lsttlmsi sn5474ls8 is a high speed 1 of 8 decoder demultiplexer. Hex buffersdrivers with opencollector highvoltage outputs sdls032b december 1983 revised november 2000 2 post office box 655303 dallas, texas 75265 logic diagram, each bufferdriver positive logic ay schematic resistor values shown are nominal. Instead of outputting a signal of a specific voltage or current, the output signal is applied to the base of an internal npn transistor whose collector is externalized open on a pin of the ic. Bcd to 7segment decoder driver with internal pullup outputs. Sn74145 datasheet bcdtodecimal decoderdriver 1of10. It is designed for use as indicatorrelay drivers or as. Some 74 series ics have open collector outputs, this means they can sink current but they cannot source current. All outputs remain off for all invalid binary input conditions. Dual 2line to 4line decodersdemultiplexers with opencollector outputs. Dm74ls247 bcd to 7segment decoder driver with open collector outputs may 1992 dm74ls247 bcd to 7segment decoder driver with open collector outputs general description the ls247 has active low open collector outputs guaranteed to sink 24 ma. Hi, please help me, i want the schematic for convert from open collector output to line driver output. Philips, alldatasheet, datasheet, datasheet search site for electronic components and.
Electronics club 74 series logic ics families, 74hc. Bcd inputs and provide appropriate outputs to drive 10digit. Bcd to 7segment decoder driver with open collector outputs. The following is a list of 7400series digital logic integrated circuits. For proper operation, a sourcing input is required. Sn74156n ti sn74156, dual 2line to 4line decodersdemultiplexers with open collector outputs. Nte electronics nte7447 integrated circuit ttlbcdtosevensegment decoder driver with open collector outputs, 5.
Pspice model library includes parameterized models such as bjts, jfets, mosfets, igbts, scrs, discretes, operational amplifiers, optocouplers, regulators, and pwm controllers from various ic vendors. Decoderdemultiplexer with opencollector outputs sdas099c june 1986 revised may 1996 post office box 655303 dallas, texas 75265 1 applications. It is designed for use as indicatorrelay drivers or as an open collector logic circuit driver. Please refer to the table below for a simple example of an open collector. Segment decoderdriver with open collector outputs description. The diagram shows how an open collector output can be connected to sink current from a supply which has a higher voltage than the logic ic supply.
Nte74ls49 integrated circuit ttl bcd seven segment decoder. Bcd to 7segment decoder driver with 30 v open collector outputs. Octal buffersdrivers with opencollector outputs scbs034b july 1989 revised november 1993 22 post office box 655303 dallas, texas 75265 logic symbol logic diagram positive logic 1 2 4 6 8 19 11 15 17 3 5 7 9 12 14 16 18 1a1 1a2 1a3 1a4 1y1 2a1 2a2 2a3 2a4 2y1 1y2 1y3 1y4 2y2 2y3 2y4 2oe 1oe 2 1a1 4 1a2 6 1a3 8 1a4 en 1. Lead plastic dip type package that features active.
Designing of 3 to 8 line decoder and demultiplexer using ic. One of the main applications of the sn74als156 is as a dual 1 line to 4line decoder demultiplexer with individual strobes g\ and common binaryaddress inputs in a single 16pin package. Bcd to 7segment decoder driver with 30v open collector outputs. The circuit is designed with and and nand logic gates. View 74ls47 from electronic senales y at unadilla valley high school. Nte74ls445 integrated circuit to decimal decoderdriver with. The dm74ls47 accepts four lines of bcd 8421 input data, generates their complements internally and decodes the data with seven andor gates having opencollector outputs to drive indicator segments directly. When both sections are enabled, the common binaryaddress inputs sequentially select and route associated input data to the appropriate output of each section.
Each of the high breakdown output transistors will sink up to 80 ma ofcurrent. Specify by appending the suffix letter x to the ordering code. Sn74als156 decodersdemultiplexers with opencollector. The sn74ls145, 1of10 decoderdriver, is designed to accept. An open collector is a common type of output found on many integrated circuits ic, which behaves like a switch that is either connected to ground or disconnected. The sn5474ls145, 1of10 decoderdriver, is designed to accept bcd. Bcd to 7segment decoder driver with 15v open collector outputs. Sn74157n ti sn74157, quad 2line to 1 line data selectors multiplexers. Pushpull a pushpull output is a combination of a line driver.
Dm74ls47 bcd to 7segment decoder driver with open collector outputs dm74ls47 bcd to 7segment decoder driver with open collector outputs general description the dm74ls47 accepts four lines of bcd 8421 input data, generates their complements internally and decodes the data with seven andor gates having open collector. It takes 3 binary inputs and activates one of the eight outputs. Sn74157 quad 1 of 2 data selectormultiplexer with noninverting outputs. A differential line driver is used to help increase noise immunity. The device inputs are compatible with standard cmos outputs. Each of the high breakdown output transistors will sink up to 80 ma of current. Dm74ls47 bcd to 7segment decoder driver with open collector outputs october 1988 revised march. The multiple input enables allow parallel expansion to a 1 of 24 decoder using just three ls8 devices or to a 1 of 32 decoder using four ls8s and one inverter. The 16 bipolar power outputs are opencollector 60 v darlington drivers. Decimal decoderdriver with open collector outputs description. Sn 7407 hex buffersdrivers with opencollector highvoltage. It has the same electrial characteristics and pin connections as the ls47. Dm74ls47 bcd to 7segment decoderdriver with opencollector. Dm74ls247 bcd to 7segment decoderdriver with opencollector.
Collector the sn74ls145, 1of10 decoderdriver, is designed to accept bcd inputs and provide appropriate outputs to drive 10digit incandescent displays. Dm74ls247 bcd to 7segment decoderdriver with opencollector outputs may 1992 dm74ls247 bcd to 7segment decoderdriver with opencollector outputs general description the ls247 has active low opencollector outputs guaranteed to sink 24 ma. Hex buffersdrivers with opencollector highvoltage outputs sdls032a december 1983 revised november 1997 post office box 655303 dallas, texas 75265 1 converts ttl voltage levels to mos levels high sinkcurrent capability input clamping diodes simplify system design opencollector driver for indicator lamps and relays. Lead plastic dip type package that consists of eight inverters and ten four. Nte electronics nte7447 integrated circuit ttlbcdto. View notes 74ls47 bcd to 7 segment decoder from segment 68 at devry university, phoenix. Dm54ls47dm74ls47 bcd to 7segment decoderdriver with open. One of the main applications of the sn74als156 is as a dual 1line to 4line decoder demultiplexer with individual strobes g\ and common binaryaddress inputs in a single 16pin package. One of the main applications of the sn74als156 is as a dual 1line to 4line decoderdemultiplexer with individual strobes g\ and common binaryaddress in.
This device is ideally suited for high speed bipolar memory chip select address decoding. This project was designed to allow the remote control of relays at a repeater site or anywhere else via dtmf tones sent by radio. Dual 2line to 4line decoder dual 1line to 4line demultiplexer 3line to 8line decoder 1line to 8line demultiplexer individual strobes simplify cascading for. When in the off state, an open collector will float. It is designed for use as indicatorrelay drivers or as an opencollector logic circuit driver. Get same day shipping, find new products every month, and feel confident with our low price guarantee. Gate cmos the mc74hc238a is identical in pinout to the ls238. Bcd to 7segment decoderdriver, open collector outputs. This device is fully compatible with all ttl families. Dm74ls47 bcd to 7segment decoderdriver with opencollector outputs 74ls47 bcd to 7segment decoderdriver with opencollector outputs general description the dm74ls47 accepts four lines of bcd 8421 input data, generates their complements internally and decodes the data with seven andor gates having opencollector. The sn74ls145, 1 of10 decoder driver, is designed to accept. Collector the sn74ls145, 1of10 decoder driver, is designed to accept bcd inputs and provide appropriate outputs to drive 10digit incandescent displays.