Electronic Components

These circuits are TRI-STATE, edge-triggered, 8-bit I/O registers in parallel with 8-bit serial shift registers which are capable of operating in any of the following modes: parallel load from I/O pins to register ??A??, parallel transfer down from register ??A?? to serial shift register ??B??, parallel transfer up from shift register ??B?? to register ??A??, serial shift of register ??B??, or exchange data between register ??A?? and shift register ??B??. Since the registers are edge-triggered by the positive transition of the clock, the control lines which determine the mode or operation are completely independent of the logic level applied to the clock. Designed for bus-oriented systems, these circuits have their TRI-STATE inputs and outputs on the same pins.

These circuits are TRI-STATE, edge-triggered, 8-bit I/O registers in parallel with 8-bit serial shift registers which are capable of operating in any of the following modes: parallel load from I/O pins to register ??A??, parallel transfer down from register ??A?? to serial shift register ??B??, parallel transfer up from shift register ??B?? to register ??A??, serial shift of register ??B??, or exchange data between register ??A?? and shift register ??B??. Since the registers are edge-triggered by the positive transition of the clock, the control lines which determine the mode or operation are completely independent of the logic level applied to the clock. Designed for bus-oriented systems, these circuits have their TRI-STATE inputs and outputs on the same pins.

The 78M05 series of three-terminal positive regulators are available in the TO-220/D-PAK package with several fixed output voltages making it useful in a wide range of applications.

The 78M08-7808 is a positive voltage regulators are identical to the popular 78M08  devices, except that they are specified for only half the output current. Like the 78M08   devices, the 78M08   three?terminal regulators are intended for local, on?card voltage regulation. Internal current limiting, thermal shutdown circuitry and safe?area compensation for the internal pass transistor combine to make these devices remarkably rugged under most operating conditions. Maximum output current, with adequate heat sinking is 500 mA.