TECHNICAL DATA
KK74ACT374
Octal 3-State
Noninverting D Flip-Flop
High-Speed Silicon-Gate CMOS
The KK74ACT374 is identical in pinout to the LS/ALS374,
HC/HCT374. The KK74ACT374 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
Data meeting the setup and hold 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, the 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;
0.1
碌A
@ 25掳C
鈥?/div>
Outputs Source/Sink 24 mA
ORDERING INFORMATION
KK74ACT374N Plastic
KK74ACT374DW SOIC
T
A
= -40掳 to 85掳 C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
Output
Enable
PIN 20=V
CC
PIN 10 = GND
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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