Some ttl logic parts were made with an extended militaryspecification temperature. Cd4027bms is a single monolithic chip integrated circuit containing two identical complementarysymmetry jk masterslave flipflops. This device can be used with a single external capacitor. Designers encyclopedia of oneshots an366 national semiconductor application note 366 kern wong july 1984 designers encyclopedia of oneshots introduction national semiconductor manufactures a broad variety of industrial bipolar monostable multivibrators oneshots in ttl and lsttl technologies and mos oneshots in cmos and.
Because of the popularity of these parts, they were secondsourced by. Fast and ls ttl data sn5474ls221 operational notes once in the pulse trigger mode, the output pulse width is determined by t w r ext c ext in2, as long as r ext and c ext are within their minimum and maximum valves and the duty cycle is less than 50%. Important notice texas instruments and its subsidiaries ti reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information. Monostable multivibrator 74121 74121 ttl function table ttl 74121 pin configuration of 74121 74121 equivalent 74121 signetics 853051 n74121. Dm74ls90 decade and binary counters dm74ls90 decade and binary counters general description each of these monolithic counters contains four masterslave flipflops and additional gating to provide a dividebytwo counter and a threestage binary counter for which the count cycle length is dividebyfive for the dm74ls90. Dm74ls32 quad 2input or gate physical dimensions inches millimeters unless otherwise noted continued 14lead plastic dualinline package pdip, jedec ms001, 0. Only one device marking contained in parentheses and separated by a will appear on a device. Dm74ls123 dual retriggerable oneshot with clear and complementary outputs march 1991 dm74ls123 dual retriggerable oneshot with clear and complementary outputs general description the dm74ls123 is a dual retriggerable monostable multivibrator capable of generating output pulses from a few nanoseconds to extremely long duration up to 100%.
Fairchild oneshot with clear and complementary outputs,alldatasheet, datasheet, datasheet search. Recent listings manufacturer directory get instant insight into any electronic component. Ls 74121 datasheet, cross reference, circuit and application notes in pdf format. The datasheet specifies that this counter contains four masterslave flip flops counter for which the count cycle length is dividebyeight for the a. Oct 06, 2018 sn74ls07n datasheet pdf sn74ls07n datasheet, sn74ls07n circuit, sn74ls07n data sheet. Nov 16, 2019 dmn datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes, triacs, and other. Ttl hysteresis for the b input allows jitterfree triggering.
The value of cx may vary from 0 to any necessary value. Apr 29, 2019 74hc datasheet, 74hc pdf, 74hc data sheet, 74hc manual, 74hc pdf, 74hc, datenblatt, electronics 74hc, alldatasheet, free. This pulse width is essentially independent of v cc and temperature variations. The basic pulse is programmed by selection of an external resistor rext and capacitor cext. Sn74121 monostable multivibrator with schmitttrigger inputs. The device features two serial data inputs dsa and dsb, eight parallel data outputs q0 to q7. 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. List of 7400 series integrated circuits 1 list of 7400 series integrated circuits the following is a list of 7400 series digital logic integrated circuits.
The sn7400 series originated with ttl integrated circuits made by texas instruments. Outputs general description the dm54 74121 is a monostable multivibrator featuring. Part of the electrical engineering dictionary of electronic terms, ttl ic external timing resistor and capacitor graphs for a 74ls121 monostable multivibrator ic. Texas instruments and its subsidiaries ti reserve the. Specify by appending the suffix letter x to the ordering code. A quartz crystal oscillator circuit that can generates khz signal with a 3stage decade counter can be used as a reference frequency source see the figure 2. The following is a list of 7400series digital logic integrated circuits. This first graph shows the possible output pulse width for either the 74121 or 74122 oneshot vs. The cext terminal of the ls122 and ls123 is an internal connection to ground, however for the best system performance cext should be hardwired to ground. Care should be taken to keep r ext and c ext as close to the monostable as possible with a minimum amount of inductance between the rextcext junction and the r extcext pin. Schmitttrigger input circuitry ttl hysteresis for the b input allow jitterfree triggering from inputs with transition rates as slow as 1 voltsecond, providing the circuit with an excellent noise immunity of typically 1. Schmitt trigger input circuitry ttl hysteresis for the b input allows jitterfree triggering from inputs with transition rates as slow as 1vsec, providing the circuit with excellent.
The circuit could be used for any ttl family, such as ls, or h, but the load capacitor might need to be changed to reflect that. Ic 74121 series, monostable multivibrator, pdso14, green, plastic, sop14, prescalermultivibrator. Download fairchild semiconductor dmn pdf datasheet file. These data selectors multiplexers contain full onchip decoding to select the desired data source the selects.
Ttl 74121 datasheet, cross reference, circuit and application notes in pdf format. Sdls042a may 1983 revised may 2005 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Jun 26, 2019 dmn datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes, triacs, and other. An internal 2kx timing resistor is provided for design convenience minimizing component count and layout problems. Fast and ls ttl data sn5474ls8 functional description the ls8 is a high speed 1of8 decoderdemultiplexer fabricated with the low power schottky barrier diode process. The is a monostable multivibrator featuring both positive and negative edge triggering with. The dm74121 is a monostable multivibrator featuring both positive and negative. Dm74ls32 quad 2input or gate dm74ls32 quad 2input or gate general description this device contains four independent gates each of which performs the logic or function.
Sep 18, 2019 74121 datasheet monostable multivibrator fairchild, dm74121 datasheet, 74121 pdf, 74121 pinout, equivalent, data, circuit, output, ic, 74121 schematic. Dm74121 oneshot with clear and complementary outputs. Ti, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. For small time constants use highquality datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Dmn datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes, triacs, and other. Ic 7432 pin diagram, circuit design, datasheet, application. Jan 06, 2020 the circuit could be used for any ttl family, such as ls, or h, but the load capacitor might need to be changed to reflect that. Logicmemoriesinterfaceanalogmicroprocessormilitary data manual. Monostable multivibrators with schmitttrigger inputs, 74121 datasheet, 74121 circuit, 74121 data sheet. Pdf 74ls121 datasheet, complementary outputs datasheetspdf. Dm74121n datasheetpdf 1 page fairchild semiconductor. They are specified in compliance with jedec standard no.
The shown above provides a single monostable multivibrator function. Dma datasheet, dma pdf, dma data sheet, datasheet, data sheet, pdf, national semiconductor, 4bit binary counter. Ttl 74121 74121 74121 equivalent pin configuration of 74121 74121 ttl function table. Monostable multivibrator, ttl hl series, 1func, ttl, pdip14, dip14. The dm5474121 is a monostable multivibrator featuring both positive and negative edge triggering with complementary outputs. Authorized distributors powered by ecia pricing stock sku. Buy ic 74121 monostable multivibrator toggle navigation jameco electronics. Schmitttrigger input circuitry ttl hysteresis for the b input allow jitterfree. Oneshot with clear and complementary outputs, 74121 datasheet, 74121 circuit, 74121 data sheet. Dm7408 quad 2input and gates physical dimensions inches millimeters unless otherwise noted 14lead plastic dualinline package pdip, jedec ms001, 0. Dm74121n datasheet pdf 1 page fairchild semiconductor. The dm74121 is a monostable multivibrator featuring both. Vd4 protects iv integrated circuit from overloading. The dm54 74121 is a monostable multivibrator featuring.
607 1567 77 184 1395 78 1498 757 1387 564 566 653 70 945 1416 162 1477 33 858 171 910 522 190 859 441 37 1276 489 588 135 1038 876 840 1135 174 1081 76 646 362 692 930 180