UT54ACS27 Datasheet, PDF (1/9 Pages) Aeroflex Circuit Technology – Triple 3-Input NOR Gates

Standard Products
UT54ACS27/UT54ACTS27
Triple 3-Input NOR Gates
Datasheet
November 2010
www.aeroflex.com/logic
FEATURES
‰ 1.2μ CMOS
- Latchup immune
‰ High speed
‰ Low power consumption
‰ Single 5 volt supply
‰ Available QML Q or V processes
‰ Flexible package
- 14-pin DIP
- 14-lead flatpack
‰ UT54ACS27 - SMD 5962-96528
‰ UT54ACTS27 - SMD 5962-96529
DESCRIPTION
The UT54ACS27 and the UT54ACTS27 are triple, three-input
NOR gates. The circuits perform the Boolean functions
Y = A+B+C or Y = A⋅B⋅C in positive logic.
The devices are characterized over full military temperature
range of -55°C to +125°C.
FUNCTION TABLE
INPUTS
OUTPUT
A
B
C
Y
H
X
X
L
X
H
X
L
X
X
H
L
L
L
L
H
LOGIC SYMBOL
(1)
A1
≥1
(2)
B1
(13)
C1
(3)
A2
(4)
B2
(5)
C2
(9)
A3
(10)
B3
(11)
C3
(12) _Y1
(6) _Y2
(8) _Y3
Note:
1. Logic symbol in accordance with ANSI/IEEE standard 91-1984 and IEC
Publication 617-12.
PINOUTS
A1
B1
A2
B2
C2
Y2
V_SS
14-Pin DIP
Top View
A1
1 14
V_DD
B1 2 13 C1
A2 3 12 Y1
B2 4 11 C3
C2 5 10 B3
Y2 6
9 A3
V_SS
7
8 Y3
14-Lead Flatpack
Top View
1 14
V_DD
2 13
C1
3 12
Y1
4 11
C3
5 10
B3
6
9
A3
7
8
Y3
LOGIC DIAGRAM
A1
B1
Y1
C1
A2
B2
Y2
C2
A3
B3
Y3
C3
1