KK74HCT27A Datasheet, PDF (1/5 Pages) KODENSHI KOREA CORP. – Triple 3-Input NOR Gate

Triple 3-Input NOR Gate
TECHNICAL DATA
KK74HCT27A
The KK74HCT27A is high-speed Si-gate CMOS device and is pin
compatible with low power Schottky TTL (LSTTL). The device provide
the Triple 3-input NOR function.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
KK74HCT27AN Plastic
KK74HCT27AD
SOIC
T_A = -55° to 125° C for all packages
LOGIC DIAGRAM
A1
B1
Y1
C1
A2
B2
Y2
C2
A3
B3
Y3
C3
PIN 14 =V_CC
PIN 7 = GND
PIN ASSIGNMENT
A1 1
B1 2
A2 3
B2 4
C2 5
Y2 ⁶
GND 7
14 V _CC
13 C1
12 ^Y1
11 C3
10 B3
9 A3
8 Y3
FUNCTION TABLE
Inputs
ABC
LLL
XXH
XHX
HXX
X = don’t care
Output
Y = A+B+C
H
L
L
L
1