Functional diagram of the 4050b or 74hc4050 hex buffer ic. Semiconductors such as ic, transistor, diode and other electronics components likes relay, capacitor and connectors. The 74lvc244a, 74lvch244a is an octal noninverting bufferline driver with 3state outputs. The following is a list of 7400series digital logic integrated circuits. Jameco sells hex buffer ic 74 series and more with a lifetime guarantee and same day shipping. Mc74lcx07 lowvoltage cmos hex buffer with open drain outputs. Cd4500 series logic ic specification list cd4502 strobed hex buffer inverter cd4503 hex buffer cd4504 hex voltage level shifter cd4511 bcd to 7 segment latch decoder driver cd4512 8 channel data selector cd4516 presettable updown counter cd4518 dual bcd up counter cd4520 dual binary up counter cd4532 8 bit priority encoder cd4541 programmable. Integrated circuits ics logic buffers, drivers, receivers, transceivers are in stock at digikey. If you need up to six simple cmos buffers, one of the cheapest ways to get them is via a 4050b or 74hc4050 hex buffer ic. This enables the use of current limiting resistors to. Sn74ls07 hex buffers and drivers with opencollector high.
Diodes incorporated maxim integrated microchip technology microsson semiconductor nexperia usa inc. Cd4500 series logic ic specification list cd4502 strobed hex bufferinverter cd4503 hex buffer cd4504 hex voltage level shifter cd4511 bcd to 7 segment latch decoder driver cd4512 8 channel data selector cd4516 presettable updown counter cd4518 dual bcd up counter cd4520 dual binary up counter cd4532 8 bit priority encoder cd4541 programmable. The 3state outputs ny are controlled by the output enable inputs oe2. The 74hchct366 are hex inverting bufferline drivers with 3state outputs. Cd74hc4050 datasheet highspeed cmos logic hex buffers. Tolerant inputs the mc74lcx07 is a high performance hex buffer operating from a 2. It is common for a single package to contain several discrete buffer amplifiers. Due to the popularity of these parts, other manufacturers released pintopin compatible logic devices which kept the 7400 sequence number as an aid to identification of compatible parts. The hex buffer connects to various pins on a msp430. The original 7400series integrated circuits were made by texas instruments with the prefix sn to create the name sn74xx. Mc74lcx07 lowvoltage cmos hex buffer with open drain. A high on oen causes the outputs to assume a high impedance offstate. As far as that goes, im still wrestling a bit with the semantics of a pullup resistor. Inputs include clamp diodes enable the use of current limiting resistors to interface inputs to voltages in excess of vcc.
The precisely defined trigger levels are lying in a window between 0. Logic buffers, drivers, receivers, transceivers integrated circuits. Ordering information the is a dual negative edge triggered jk flipflop featuring individual j and k inputs, more. The 74hc7014 is a hex buffer with precision schmitttrigger inputs. Inputs include clamp diodes enable the use of current limiting resistors to. A high on noe causes the outputs to assume a high impedance offstate. The 74hchct366 are hex inverting buffer line drivers with 3state outputs.
This enables the use of current limiting resistors to interface inputs to voltages in excess of vcc. Cd74hc4050 highspeed cmos logic hex buffers, inverting and noninverting data sheet acquired from harris semiconductor schs205c. Inside the msp430, im setting the pin voltage high or low i just cant quite picture how the hex buffer affects that. Jun 22, 2019 74hct philips octal bufferline driver. Check with the manufacturers datasheet for uptodate information. 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. Product index integrated circuits ics logic buffers, drivers, receivers, transceivers. Icc for a unit load of 1 is given in the family specifications. Msi note to hct types the value of additional quiescent supply current. Hex buffersdrivers with opencollector highvoltage outputs. These monolithic hex inverter buffersdrivers feature highvoltage opencollector outputs to interface with highlevel circuits such as mos or for driving.
Understanding digital buffer, gate, and logic ic circuits. A buffer is a device used to increase the drive capability of another chip. A buffer amplifier sometimes simply called a buffer is one that provides electrical impedance transformation from one circuit to another, with the aim of preventing the signal source from being affected by whatever currents or voltages, for a current buffer that the load may be produced with. Mc74lcx07 lowvoltage cmos hex buffer with open drain outputs with 5 v. Sn 7407 hex buffersdrivers with opencollector high. The outputs of the sn74lvc07a device are open drain and can be connected to other opendrainoutputs to implement activelowwiredoror activehighwiredandfunctions. It is the preferred replacement of the hcf4050b in buffer applications. Ordering information the is a dual negative edge triggered jk flipflop featuring individual j and k inputs, more information. Hex bufferconverter noninverting stmicroelectronics. Cd74hct368m texas instruments cd74hct368m hex buffer. High speed cmos logic hex buffersline drivers with inverting 3.
On semiconductor renesas electronics america inc renesas. In fact 74hct can be used as lowpower direct replacements for the older 74ls ics in most circuits. Device summary so16 order code temperature range package packing marking. Setting oe 1 or oe 2 high causes the outputs to assume a highimpedance off state. High impedance ttl compatible inputs significantly reduce current loading to input drivers. Electronics club 74 series logic ics families, 74hc. This enables the use of current limiting resistors to interface inputs to voltages in excess of v cc. They have high drive current outputs which enable high speed operation even when driving large bus capacitances.
Buffer line driver, non inverting texas instruments. These lcx devices have open drain outputs which provide the ability to set output. It is a noninverting hex bufferconverter and can be used as a cmos to ttl logic level converter, as a current sink or source driver, or as a multiplexer 1 to 6. Both circuits are capable of driving up to 15 low power schottky inputs. Sn 7407 hex buffersdrivers with opencollector highvoltage. The minor disadvantage of 74hct is a lower immunity to noise, but this is unlikely to be a problem in most situations. Hex buffersdrivers with opencollector highvoltage outputs sdls032d december 1983 revised august 2001 2 post office box 655303 dallas, texas 75265 schematic resistor values shown are nominal. The 74hct family is a special version of 74hc with 74ls ttlcompatible inputs so 74hct can be safely mixed with 74ls in the same system. These hex buffers and drivers feature highvoltage opencollector outputs to interface with highlevel circuits or for driving highcurrent loads. The outputs are fully buffered for the highest noise more information. Jun 22, 2006 the hex buffer connects to various pins on a msp430. Data is maintained by an independent source and accuracy is not guaranteed. The sn74ls07 devices have a rated output voltage of 30 v. Product index integrated circuits ics logic buffers, drivers, receivers.
The 3state outputs are controlled by the output enable inputs 1oe and 2oe. Cd74hc365 high speed cmos logic hex noninverting buffers. Highspeed cmos logic hex buffers, inverting and noninverting. With experience more than 10 years, it can certainly prove that we are specialized in providing. These parts also can be used as simple buffers or inverters without level translation. The cd74hc365q1 and cd74hct365q1 are noninverting buffers, whereas the. Inputs include clamp diodes enable the use of current limiting resistors to interface inputs to voltages in excess of v cc. They are also characterized for use as buffers for driving ttl inputs. A nonlinear buffer amplifier is sometimes used in digital circuits where a high current is required, perhaps for driving more gates than the normal fanout of the logic family used, or for driving displays, or long wires, or other difficult loads.
1638 249 1293 1000 94 1230 1178 43 1483 1189 1129 1343 881 1511 657 1404 1662 30 731 630 1444 496 62 1137 142 516 319 655 428 1278