The SN55109A SN55110A SN75109A SN75110A and SN75112 dual Line Drivers have improved output current regulation with supply voltage and temperature variations. In addition, the higher current of the SN75112 (27 mA) allows data to be transmitted over longer lines. These drivers offer optimum performance when used with the SN55107A SN55108A, SN75107A and SN75108A line receivers. These drivers feature independent channels with common voltage supply and ground terminals. The significant difference between the three drivers is in the output current specification. The driver circuits feature a constant output current that is switched to either of two output terminals by the appropriate Logic levels at the input terminals. The output current CAN be switched off (inhibited) by low Logic levels on the enable inputs. The output current is nominally 6 mA for the 109A, 12 mA for the 110A, and 27 mA for the SN75112. The enable/inhibit feature is provided so the circuits CAN be used in party-line or data-bus applications. A strobe or inhibitor (enable D), common to both drivers, is included for increased driver-logic versatility. The output current in the inhibited mode, IO(off), is specified so that minimum line loading is induced when the driver is used in a party-line system with other drivers. The output impedance of the driver in the inhibited mode is very high. The output impedance of a Transistor is biased to cutoff By Texas Instruments
SN75109A 's PackagesSN75109A 's pdf datasheet

SN75109A Pinout, Pinouts
SN75109A pinout,Pin out
This is one package pinout of SN75109A,If you need more pinouts please download SN75109A's pdf datasheet.

SN75109A Application circuits
SN75109A circuits
This is one application circuit of SN75109A,If you need more circuits,please download SN75109A's pdf datasheet.

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