Octal D-Type Edge-Triggered Flip-Flops With 3-State Outputs

These 8-bit Flip-Flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The devices are particularly suitable for implementing Buffer Registers I/O ports, bidirectional bus drivers, and working Registers
The eight Flip-Flops of the ?ACT574 devices are D-type edge-triggered Flip-Flops On the positive transition of the Clock (CLK) input, the Q outputs are set to the Logic levels set up at the data (D) inputs.
A buffered output-enable (OE) input CAN be used to place 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 the increased drive provide the capability to drive bus lines in a bus-organized system without need for Interface or pullup components.
OE does not affect internal operations of the Flip-Flop Old data CAN be retained or new data CAN be entered while the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74ACT574DBRE4 Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SSOP -40 to 85
SN74ACT574NSR Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SO -40 to 85
SN74ACT574DW Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SOIC -40 to 85
SN74ACT574NSRG4 Texas Instruments ACT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOP-20
SN74ACT574DBRG4 Texas Instruments ACT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74ACT574NSRE4 Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SO -40 to 85
SN74ACT574DWR Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SOIC -40 to 85
SN74ACT574PWG4 Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-TSSOP -40 to 85
SN74ACT574DWRG4 Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SOIC -40 to 85
SN74ACT574PWR Texas Instruments Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-TSSOP -40 to 85
SN74ACT574 's PackagesSN74ACT574 's pdf datasheet
SN74ACT574DBLE SSOP
SN74ACT574DBR SSOP
SN74ACT574DBRE4 SSOP
SN74ACT574DBRG4 SSOP
SN74ACT574DW SOIC
SN74ACT574DWE4 SOIC
SN74ACT574DWG4 SOIC
SN74ACT574DWR SOIC
SN74ACT574DWRE4 SOIC
SN74ACT574DWRG4 SOIC
SN74ACT574N PDIP
SN74ACT574NE4 PDIP
SN74ACT574NSR SO
SN74ACT574NSRE4 SO
SN74ACT574NSRG4 SO
SN74ACT574PW TSSOP
SN74ACT574PWE4 TSSOP
SN74ACT574PWG4 TSSOP
SN74ACT574PWLE TSSOP
SN74ACT574PWR TSSOP
SN74ACT574PWRE4 TSSOP
SN74ACT574PWRG4 TSSOP




SN74ACT574 Pinout, Pinouts
SN74ACT574 pinout,Pin out
This is one package pinout of SN74ACT574,If you need more pinouts please download SN74ACT574's pdf datasheet.

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