OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

These 8-bit transparent D-type Latches SN54HC563 SN74HC563 feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing Buffer Registers I/O ports, bidirectional bus drivers, and working Registers While the latch-enable (LE) input is high, the Q outputs follow the complements of the data (D) inputs. When LE is taken low, the outputs are latched at the inverses of the levels set up at the D inputs. A buffered output-enable (OE) input places the eight outputs in either a normal Logic state (high or low Logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased high Logic level provide the capability to drive bus lines without Interface or pullup components. OE does not affect internal operations of the Latches Old data CAN be retained or new data CAN be entered while the outputs are in the high-impedance state. The SN54HC563 is characterized for operation over the full military temperature range of 55C to 125C. The SN74HC563 is characterized for operation from 40C to 85C By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN54HC563FK Rochester Electronics LLC Bus Driver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, CQCC20, CERAMIC, LCC-20
SN54HC563 's PackagesSN54HC563 's pdf datasheet



SN54HC563 Pinout, Pinouts
SN54HC563 pinout,Pin out
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