10-Bit Bus-Interface Flip-Flops With 3-State Outputs

These 10-bit Flip-Flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing wider Buffer Registers I/O ports, bidirectional bus drivers with parity, and working Registers
The ten Flip-Flops are edge-triggered D-type Flip-Flops On the positive transition of the Clock (CLK) input, the Q outputs are true to the data (D) input.
A buffered output-enable () input CAN be used to place the ten outputs in either a normal Logic state (high or low Logic levels) or a high- impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without Interface or pullup components.
does not affect the internal operation of the Flip-Flops Previously stored data CAN be retained or new data CAN be entered while the outputs are in the high-impedance state.
The SN54AS821A is characterized for operation over the full military temperature range of -55?C to 125?C. The SN74AS821A is characterized for operation from 0?C to 70?C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74AS821ADWRG4 Texas Instruments AS SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74AS821A 's PackagesSN74AS821A 's pdf datasheet
SN74AS821ADW SOIC
SN74AS821ADWE4 SOIC
SN74AS821ADWG4 SOIC
SN74AS821ADWR SOIC
SN74AS821ADWRE4 SOIC
SN74AS821ADWRG4 SOIC
SN74AS821ANT PDIP
SN74AS821ANTE4 PDIP




SN74AS821A Pinout, Pinouts
SN74AS821A pinout,Pin out
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