OCTAL D-TYPE EDGE-TRIGGER FLIP-FLOP
UNISONIC TECHNOLOGIES CO., LTD
U74HCT574
OCTAL D-TYPE EDGE-TRIGGER FLIP-FLOP WITH 3-STATE OUTPUT
DESCRIPTION
The UTC ...
Description
UNISONIC TECHNOLOGIES CO., LTD
U74HCT574
OCTAL D-TYPE EDGE-TRIGGER FLIP-FLOP WITH 3-STATE OUTPUT
DESCRIPTION
The UTC 74HCT574 is octal D-type flip-flop featuring separate D-type inputs for each flip-flop and non-inverting 3-state outputs for bus-oriented applications.
FEATURES
* Operation Voltage Range:4.5V~5.5V * 3-state Non-Inverting Outputs for Bus-oriented Applications * Common 3-state Output Enable Input * Inputs are TTL voltage compatible
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74HCT574L-S20-R
U74HCT574G-S20-R
U74HCT574L-P20-R
U74HCT574G-P20-R
Package
SOP-20 TSSOP-20
CMOS IC
Packing Tape Reel Tape Reel
MARKING
20 19 18 17 16 15 14 13 12 11
UTC U74HCT574
1 2 3 4 5 6 7 8 9 10
Date Code
L: Lead Free G: Halogen Free
Lot Code
www.unisonic.com.tw Copyright © 2023 Unisonic Technologies Co., Ltd
1 of 5
QW-R502-653.D
U74HCT574
PIN CONFIGURATION
OE 1 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 GND 10
FUNCTION TABLE
INPUTS( O E ) L L L H
LOGIC DIAGRAM
INPUTS(CP) ↑ ↑
L or H X
20 VCC 19 1Q 18 2Q 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 11 CP
INPUTS(D) H L X X
CMOS IC
OUTPUT(Q) H L Q0 Z
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 5
QW-R502-653.D
U74HCT574
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°С, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage Input Voltage
VCC
-0.5~7.0
V
VIN
-0.5 ~ VCC+0.5
V
Output Voltage(active mode) Input Clamp Current (ViN<0)
VOUT IIK
-0.5 ~ VCC+0.5
V
±20
...
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