TECHNICAL DATA
KK74ACT574
Octal 3-State
Noninverting D Flip-Flop
High-Performance Silicon-Gate CMOS
The KK74ACT574 is identical in pinout to the LS/ALS574,
HC/HCT574. The KK74ACT574 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
Data meeting the setup time is clocked to the outputs with the rising
edge of the Clock. The Output Enable input does not affect the states of
the flip-flops, but when Output Enable is high, all device outputs are
forced to the high-impedance state; thus, data may be stored even when
the outputs are not enabled.
鈥?/div>
TTL/NMOS Compatible Input Levels
鈥?/div>
Outputs Directly Interface to CMOS, NMOS, and TTL
鈥?/div>
Operating Voltage Range: 4.5 to 5.5 V
鈥?/div>
Low Input Current: 1.0
碌A(chǔ);
0.1
碌A(chǔ)
@ 25擄C
鈥?/div>
Outputs Source/Sink 24 mA
ORDERING INFORMATION
KK74ACT574N Plastic
KK74ACT574DW SOIC
T
A
= -40擄 to 85擄 C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
PIN 20=V
CC
PIN 10 = GND
Inputs
Output
Enable
L
L
L
H
L,H,
X
Clock
D
H
L
X
X
Output
Q
H
L
no
change
Z
X = don鈥檛 care
Z = high impedance
1
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