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74F574

Part Number	74F574
Manufacturer	Texas Instruments
Description	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP
Published	Dec 22, 2021
Detailed Description	SN74F574 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS SDFS005A – D3034, SEPTEMBER 1987 – REVISED OCTOBER 1...
Datasheet	74F574 PDF File

Overview

SN74F574 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS SDFS005A – D3034, SEPTEMBER 1987 – REVISED OCTOBER 1993 • Eight D-Type Flip-Flops in a Single Package • 3-State Bus-Driving True Outputs • Full Parallel Access for Loading • Buffered Control Inputs • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs description This 8-bit flip-flop features 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads.
It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
DW OR N PACKAGE (TOP VIEW) OE 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 GND 10 20 VCC 19 1Q 18 2Q 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 11 CLK The eight flip-flops of the SN74F574 are edge-triggered D-type flip-flops.
On the positive transition of the clock (CLK) input, the Q outputs will be set to the logic levels that were 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 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 need for interface or pullup components.
The output enable (OE) does not affect the internal operations of the flip-flops.
Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
The SN74F574 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE (each flip-flop) INPUTS OE CLK D L ↑ H L ↑ L L L X H X X OUTPUT Q H L Q0 Z PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXA...

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