The mc74vhct541a is an advanced high speed cmos octal bus buffer fabricated with silicon gate cmos technology. Inverting the mc74lcx244 is a high performance, non. Octal buffersdrivers with opencollector outputs scbs034b july 1989 revised november 1993 post office box 655303 dallas, texas 75265 23 recommended operating conditions sn54bct760 sn74bct760 unit min nom max min nom max vcc supply voltage 4. Description octal inverter buffersdrivers with open drain high voltage outputs. Hex bufferdriver with opendrain outputs 14tvsop 40 to 125. The b bus outputs are capable of sinking 64ma providing very good capacitive drive characteristics. Sc620evb datasheet octal led driver, general purpose. The l9733 is a highly flexible monolithic, medium current, output driver that incorporates 8 outputs that can be used as either internal low or highside drives in any combination. Sn54bct760 octal buffersdrivers with opencollector outputs ti. Operate from 5 v inputs and opendrain outputs accept voltages 5. The following is a list of 7400series digital logic integrated circuits. The 74fct621t is an octal transceiver with noninverting open drain bus. Tpic6273dw texas instruments latch, d type, open drain.
The device can be used as two 4bit buffers or one 8bit buffer. Octal inverter buffersdrivers with open drain high voltage outputs. Before you submit a part request, we kindly ask that you login or register to validate your email account. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and busoriented receivers and transmitters. A1e octal hihspee instrial hihsie sitch maxim integrated. Max3394emax3395e 15kv esdprotected hihdrive current dual. The open drain mode can be enableddisabled on each output pin individually. L9733 octal configurable lowhigh side driver, l9733cntr, l9733xptr, l9733cn, l9733xp. Data sheet acquired from harris semiconductor schs018c revised september 2003 the cd4007ub types are supplied in 14lead hermetic dualinline ceramic packages f3a suffix, 14lead dualinline plastic packages e suffix, 14lead smalloutline packages m, mt, m96, and nsr suffixes, and 14lead thin shrink. Open drain driver, internal pullup, mbps figures 2, 4 1. It achieves high speed operation similar to equivalent bipolar schottky ttl while maintaining cmos low power dissipation. Product index integrated circuits ics logic buffers, drivers, receivers, transceivers.
In devices equipped with an opendrain output, the output can be pulled up to a voltage level matching the input requirements of the device it is driving. Sn74bct760 octal buffersdrivers with opencollector outputs ti. Opendrain refers to such a circuit implemented in fet technologies because the transistors drain terminal is connected to the output. An open collector ic consists of a circuit with the final driver unconnected, at least to vcc. Diodes incorporated maxim integrated microchip technology microsson semiconductor nexperia usa inc. Octal bufferline driver with 3state outputs inverting 74 11244. Diodes incorporated introduces two families of singlegate logic parts in one of the worlds smallest packages, the dfn0808.
Octal bufferdriver with opencollector outputs 20soic 40 to 85. Or use the sliders by dragging the handlers or fill in the fields. Power driver applications include relays, solenoids and other mediumcurrent or highvoltage loads. Once completed, you will be returned to your part request form. The is a multipurpose led driver with eight identical, independently controlled current sinks. The common characteristics are parameters with the same value for all type numbers. To activate this feature, use the dlngpiopinopendrainenable function. Open collector and drain devices sink current when controlled to one state and have no current flow i. Industrial temperature range 2 idt74fct621tat fast cmos octal bus transceiver open drain pin configuration symbol description max unit vterm2 terminal voltage with respect to gnd 0. An output pin of a microcontroller is usually adequate to drive a smallsignal logic level mosfet. I dont genuinely know the answer to your question, but i can speculate that its because there are quad opencollector nand and nor gates, which are universal gates, and you can relatively easily synthesize an open collector or gate from these. This device provides complementary outputenable oe and inputs and noninverting outputs. High level low level high impedance irrelevant hd151005 absolute. The transistor version is called an open collector, while the fet version is called an open drain.
However driving larger mosfets is a different story. What is an open drain on a fet device and how is it used. Octal low side driver olsd tja1010 functional description see figs 1, 3 and 4 this octal low side driver is intended to drive relays in automotive applications. Each flipflop features an opendrain power dmostransistor output. Sn74als760 octal buffersdrivers with opencollector outputs ti. The mc74vhct541a is a noninverting, 3state, bufferline driver line receiver. I mounted both driver boards on to a breadboard, but the ups man delivered a large box full of tubelab spp boards, so this project got voted off of the workbench for now. Sn74lvc07apw ti sn74lvc07a, hex buffersdrivers with opendrain outputs.
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 max14912max149 are available in a 56pin qfn 8mm x 8mm package. You can find more information about a type number by hovering. Mc74lcx07 lowvoltage cmos hex buffer with open drain outputs with 5 v. Datasheet l9301 automotive octal low side driver or quad. A common example is an nchannel transistor which pulls the signal to ground when the transistor is on or leaves it open when the transistor is off. Octal led driver, general purpose current sink with serial interface description. Glossary definition for opendrain maxim integrated.
Mc34sb0800, fully integrated octal valve controller system on. Low propagation delay, highrate loadswitching makes the device suitable for nextgeneration highspeed plc systems. The thresholds of the max6892max6893max6894 are selected through five logic inputs th0th4. Gate driver a mosfet driver ic translates ttl or cmos logical signals, to a higher voltage and higher current, with the goal of rapidly and completely switching the gate of a mosfet. What i have done in the past using an i2c bus is to either use 2 external transistors connected to the bus so as to pull the bus down when switched on, or connect the output pins to the bus using diodes. Sn 7407 hex buffersdrivers with opencollector highvoltage. The 74abt244 device is an octal buffer that is ideal for driving bus lines. A pullup resistor is used on the output for level translation figure 22.
The tpic6273dw is a monolithic highvoltage highcurrent power logic octal d latch with dmos transistor outputs designed for use in systems that require relatively high load power. Calculation for open collector resistor pullup values on. The outputs are mosfet drivers to minimize vdd current requirements. It is optimized to withstand the wide temperature and supply voltage range that is typical for this application area. The mc74vhct541a is a noninverting, 3state, bufferline driverline receiver. Bct760 is organized as two 4bit buffersline drivers with separate outputenable oe inputs. Some part number from the same manufacture philips semiconductors acquired by nxp 74hc7541d 74hchct7541. Octal bus transceivers with opencollector outputs 20soic 0 to 70. Nov 03, 2016 finally, were to the last form of the question, and again, the answer is now readily apparent.
This octal buffer and line driver is designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and. For mil version, see 54fct240t device type applications. Great in standard and advanced systems from tvs and phones to industrial monitoring. The outputs are opendrain and can be connected to other opendrain outputs to. High impedance ttl compatible inputs significantly reduce current loading to input drivers. N74f757ad datasheet octal inverter buffer opencollector digchip. It is fairly common to use open drains open collectors together with a pullup resistor.
On semiconductor renesas electronics america inc renesas. The max3395e is a quadlevel translator available in 12bump ucsp, and 12pin 4mm x 4mm tqfn packages. The original 7400series integrated circuits were made by texas instruments with the prefix sn to create the name sn74xx. The max3394e max3395e max3396e operate at a guaranteed data rate of 6mbps with pushpull drivers and 1mbps with open drain drivers. General description the max14900e is an octal power switch that features perchannel configuration for highside or pushpull operation. Sn74lvc07a hex bufferdriver with opendrain outputs. Hd151005 octal inverter buffersdrivers with open drain high voltage outputs ade205594 z 1st. The pmod od1 is an open drain output module with four open drain output pins, each driven by an nchannel mosfet. Octal bufferdriver with 3state outputs 2 parts 74 11245. Mc74lcx07 lowvoltage cmos hex buffer with open drain outputs. The device features two output enables 1oe and 2oe, each controlling four of the 3state outputs.
You can use the filters in the second row to narrow down the selection. If an npn transistor is left unconnected, or open but connected to. This technote provides the governing equations in appendixc. Sn74als760 octal buffersdrivers with opencollector outputs. As756 and sn74as757, these devices provide the choice. The 74fct240t octal bufferline driver is designed to be employed as a memory and address driver, clock driver, and busoriented transmitter receiver which provides improved board density. A mosfet is like a transistor that can handle higher voltages but operates in much the same way. As an example, the 74aup1g07, a lowpower buffer with an opendrain output, can be used to translate from 1.
The voltage detector outputs are configured as open drain. A pure opendrain driver, by comparison, has no pullup strength except for leakage current. Octal buffersdrivers with opencollector outputs datasheet. The 74fct621t is an octal transceiver with noninverting open drain bus compatible outputs in both send and receive directions. The term open drain means theres a current sink, but on a fet device, for example, a mosfet. Max14912max149 octal highspee, highsie switchpshpll driver. Click on one or more values in the lists you want to select. This octal buffer and line driver is designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and busoriented receivers and transmitters. Octal bufferdriver with opencollector outputs datasheet. The 74fct621t is an octal transceiver with noninverting open drain bus compatible. A pure open drain driver, by comparison, has no pullup strength except for leakage current. The tpic6b273 contains eight positiveedgetriggered dtype flipflops with a direct clear input.
Buffers inverters drivers improved signal integrity for complex layouts use our solutions to improve signal integrity between lower drive outputs and higher loads. Open load detection in highside mode detects both open wire conditions in the switch onoff states, and led drivers provide indication of perchannel fault and status conditions. Maxim integrated 5 electrical characteristics continued. If a pin is not assigned to the gpio module, your settings are saved in the internal memory and will be applied when you assign the pin. These lcx devices have open drain outputs which provide the ability to set output. Tolerant inputs the mc74lcx07 is a high performance hex buffer operating from a 2. Hex buffersdrivers with opencollector highvoltage outputs sdls032b december 1983 revised november 2000 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. Integrated circuits ics logic buffers, drivers, receivers, transceivers are in stock at digikey. Low voltage bufferline driver with 5v tolerant inputs and open.
Automotive octal self configuring lowhigh side driver datasheet production data features aecq100 rev. Why is there no opencollector orgate in the 7400 series. The max3396e is an octal level translator available in 20bump ucsp and 20pin 5mm x 5mm tqfn packages. Internal active clamps accelerate the shutdown of inductive loads fast in highside mode. Each current sink can drive an led by connecting the leds anode to the system power supply and the cathode to the current sink input pin.
The pmod oc1 is an open collector module with four open collector output pins, each driven by an npn bjt. Automotive octal self configuring lowhigh side driver. I called a tube dealer and bought 5 more 7403s all he had. The designer has a choice of selected combinations of inverting and noninverting outputs, symmetrical activelow outputenable oe inputs, and complementary. To disable it, use the dlngpiopinopendraindisable function. Sn74als760 octal buffersdrivers with opencollector. Manual reset and margin disable inputs offer additional flexibility. Hd151005octal inverter buffersdrivers with open drain high voltageoutputsade205594 z1st.
An open collector device is an ic with an output gate that is not connected to the vcc pin of the chip. Sn74bct757 octal bufferdriver with opencollector outputs. The term open collector refers to a current sink on a transistor output. These octal buffers and line drivers are designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and busoriented receivers and transmitters by eliminating the need for 3state overlap protection. Finally, were to the last form of the question, and again, the answer is now readily apparent. When a highside configured output is commanded off after having been commanded on, the source.
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