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KK74ACT21 Datasheet, PDF (1/5 Pages) KODENSHI KOREA CORP. – Dual 4-Input AND Gate High-Speed Silicon-Gate CMOS
Dual 4-Input AND Gate
High-Speed Silicon-Gate CMOS
TECHNICAL DATA
KK74ACT21
The KK74ACT21 is identical in pinout to the LS/ALS21, HC/HCT21.
The KK74ACT21 may be used as a level converter for interfacing TTL or
NMOS outputs to High Speed CMOS inputs.
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA
ORDERING INFORMATION
KK74ACT21N Plastic
KK74ACT21D SOIC
TA = -40° to 85° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 14 =VCC
PIN 7 = GND
PINS 3,11 = NO CONNECTION
NC = NO CONNECTION
FUNCTION TABLE
Inputs
ABC
LXX
XLX
XXL
XXX
HHH
X = don’t care
Output
D
Y
X
L
X
L
X
L
L
L
H
H
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