Hex buffers drivers with open collector highvoltage outputs sdls032b december 1983 revised november 2000 2 post office box 655303 dallas, texas 75265 logic diagram, each buffer driver positive logic ay schematic resistor values shown are nominal. Hex buffersdrivers with opencollector highvoltage outputs rev. Lowvoltage cmos hex buffer with open drain outputs farnell. A pure opendrain driver, by comparison, has no pullup strength except for leakage current. The output of this device is an open drain and can be connected to other open drain outputs to implement activelow wiredor or activehigh wiredand functions. The internal circuit is composed of multiple stages, including a buffer and an open drain output which provides the capability to set the output switching level.
This allows the mc74vhc1g07 to be used to interface any 2. Sn74lvc07a hex bufferdriver with opendrain outputs biakom. High impedance ttl compatible inputs significantly reduce current loading to input drivers. Hex buffers drivers with opencollector highvoltage outputs. These hex buffers and drivers feature highvoltage opencollector outputs to interface with highlevel circuits or for driving highcurrent loads. This octal buffer and line driver is designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and bus. Open collector buffers vs non open collector buffers. These hex inverter buffersdrivers feature highvoltage opencollector outputs to interface with highlevel circuits such as mos, or for. Open collector buffers vs non open collector buffers all. 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.
What difference does having the pull up resistor do to the buffer and logic high and low states. Sn74lvc07a hex bufferdriver with opendrain outputs. Sn7407 data sheet, product information and support. 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. This octal buffer and line driver is designed specifically to improve both the performance and density of 3state memory address drivers, clock drivers, and. Ic 74ls06 hex inverter bufferdriver jameco electronics. Mc74lcx07 lowvoltage cmos hex buffer with open drain. Hex inverter buffers drivers with open collector highvoltage outputs these monolithic hex inverter buffers drivers feature highvoltage open collector outputs to interface with highlevel circuits such as mos or for driving highcurrent loads, and they are also characterized for use as inverter buffers for driving ttl inputs. When a logical input to the sn7407n is low, the output of the not gate is. Hex buffersdrivers with opencollector highvoltage outputs sdls032b december 1983 revised november 2000 2 post office box 655303 dallas, texas 75265 logic diagram, each buffer driver positive logic ay schematic resistor values shown are nominal. Convert ttl voltage levels to mos levels high sinkcurrent capability input clamping diodes simplify system design open collector drivers for indicator lamps. Sn7406 hex inverting buffer driver with open collector outputs sn7406, sn7416 hex inverter buffers drivers with open collector highvoltage outputs. The following is a list of 7400series digital logic integrated circuits. These ttl hex buffers and drivers feature highvoltage open collector outputs for interfacing with highlevel circuits such as mos or for driving highcurrent loads such as lamps or relays, and also are characterized for use as buffers for driving ttl inputs.
An open collector is a common type of output found on many integrated circuits ic, which. D opencollector driver for indicator lamps and relays descriptionordering information. The output of the device is an opendrain and can be connected to other opendrain. Sn7406 datasheet hex inverting bufferdriver with open. These lcx devices have open drain outputs which provide the ability to set output.
The device to look at is the sn74621a, but there are many other families. With opencollector highvoltage outputs sdls031a december 1983 revised december 2001 2 post office box 655303 dallas, texas 75265 logic diagram positive logic 1a 2a 3a 4a 5a 6a 1y 2y 3y 4y 5y 6y 1 3 5 9 11 2 4 6 8 10 12 y a schematic each buffer driver resistor values shown are nominal. The output of this device is an open drain and can be connected to other opendrain outputs to implement. This feature allows the use of this device in a mixed 3. Hex inverter buffersdrivers with opencollector high. The emitter of the transistor is connected to ground and the collector of the transistor is connected to the output. Sn 7407 hex buffersdrivers with opencollector high. Sn74ls07 hex buffers and drivers with opencollector high. There are open collector octal buffers that will work as you want them to, by having a pullup to 5v on the output side will allow you to use a basic ic as a level shifting tranceiver. These ttl hex buffers and drivers feature highvoltage opencollector outputs for interfacing with highlevel circuits such as mos or for driving highcurrent loads such as lamps or relays, and also are characterized for use as buffers for driving ttl inputs. Tolerant inputs the mc74lcx07 is a high performance hex buffer operating from a 2. Hex inverter buffersdrivers with opencollector highvoltage outputs.
By tying the output of several open collectors together, the common line. The output of that not gate goes to the base of an npn bipolar transistor. Sn74bct757 octal bufferdriver with opencollector outputs. Two inverter, or not, gates connected in series so as to invert, then reinvert, a binary bit perform the function of a buffer. These ttl hex inverter buffersdrivers feature highvoltage opencollector outputs for interfacing with highlevel circuits such as mos or for. Hex buffersdrivers with opencollector highvoltage outputs. Snx407 and snx417 hex buffers and drivers with opencollector. Sn5406, sn5416, sn7406, sn7416 hex inverter buffersdrivers with opencollector highvoltage outputs sdls031a december 1983 revised december 2001 2 post office box 655303 dallas, texas 75265 logic diagram positive logic 1a 2a 3a 4a 5a 6a 1y 2y 3y 4y 5y 6y 1 3 5 9 11 2 4 6 8 10 12 y a schematic each buffer driver resistor. Mc74lcx07 lowvoltage cmos hex buffer with open drain outputs with 5 v. Vs a non open collector buffer doesnt need a pull up resistor. These hex buffersdrivers feature highvoltage opencollector outputs.
The mc74vhc1g07 is an advanced high speed cmos buffer with open drain output fabricated with silicon gate cmos technology. These lcx devices have open drain outputs which provide the ability to set output levels, or do active. The schematic diagram for a buffer circuit with totem pole output transistors is a bit more complex, but the basic principles, and certainly the truth table, are the same as for the open collector circuit. These ttl hex buffers and drivers feature high voltage opencollector outputs for interfacing with highlevel circuits such as mos or for driving high.