TECHNICAL DATA
KK74ACT164
8-Bit Serial-Input/Parallel-Output
Shift register
High-Speed Silicon-Gate CMOS
The KK74ACT164 is identical in pinout to the LS/ALS164,
HC/HCT164. The KK74ACT164 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The KK74ACT164 is an 8-bit, serial-input to parallel-output shift
register. Two serial data inputs, A1 and A2, are provided so that one input
may be used as a data enable. Data is entered on each rising edge of the
clock. The active-low asynchronous Reset overrides the Clock and Serial
Data inputs.
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
KK74ACT164N Plastic
KK74ACT164D SOIC
T
A
= -40擄 to 85擄 C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
Reset
L
H
H
PIN 14 =V
CC
PIN 7 = GND
Clock
X
A1 A2
X X
X X
H D
L
Outputs
Q
A
Q
B
... Q
H
L
... L
no change
D Q
An
... Q
Gn
H
D H
D Q
An
... Q
Gn
D = data input
X = don鈥檛 care
Q
An
- Q
Gn
= data shifted from the previous stage on a
rising edge at the clock input.
1
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