Logic Diagram
26
1
2
1A
1B
QUADRUPLE 2-INPUT
HIGH-VOLTAGE INTERFACE
POSITIVE-NAND GATES
3
6
1Y
2Y
3Y
4Y
4
5
2A
2B
● Y = AB
9
3A
3B
8
10
12
13
4A
4B
11
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
PARAMETER
MAX or MIN
TTL
LS
UNIT
I
CC
MAX
MAX
MAX
22
15
16
4.4
15
8
mA
V
V
OH
IOL
mA
SWITCHING CHARACTERISTICS
PARAMETER
INPUT
OUTPUT
MAX or MIN
TTL
LS
t
PLH
A or B
A or B
Y
Y
MAX
MAX
24
17
32
28
tPHL
UNIT: ns
27
FUNCTION TABLE
(each gate)
Logic Diagram (SN74)
TRIPLE 3-INPUT POSITIVE-NOR GATES
INPUTS
B
A
B
C
OUTPUT
Y
Y
A
C
● Y = A + B + C
H
X
X
L
X
H
X
L
X
X
H
L
L
L
● 74AC11xxx: Product Available in Reduced-
Noise Advanced CMOS (11000 Series)
● 74ACT11xxx: Product Available in Reduced-
Noise Advanced CMOS (11000 Series)
L
H
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
SN74 CD74 CD74
AC
11
ACT
11
LV
3V
LV
5V
PARAMETER
MAX or MIN
TTL
LS
ALS
AS
F
UNIT
HC
HC
HCT
ICC
MAX
MAX
MAX
26
-0.8
16
6.8
-0.4
8
4
-0.4
8
17.1
-2
12
-1
0.02
-4
0.04
-4
0.04
-4
0.04
-24
24
0.04
-24
24
-
-6
6
0.02
-12
12
mA
mA
mA
IOH
IOL
20
20
4
4
4
SWITCHING CHARACTERISTICS
SN74 CD74 CD74
AC
11
PARAMETER
INPUT
OUTPUT
MAX or MIN
TTL
LS
ALS
AS
F
HC
HC
HCT
tPLH
tPHL
A, B or C
A, B or C
Y
Y
MAX
MAX
15
11
15
15
15
9
5.5
4.5
5.5
4.5
23
23
29
29
35
35
7.7
8.1
ACT
11
LV
3V
LV
5V
PARAMETER
INPUT
OUTPUT
MAX or MIN
tPLH
A, B or C
A, B or C
Y
Y
MAX
MAX
10.1
9.4
14
14
9
9
tPHL
UNIT: ns
247
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters. See www.ti.com/sc/logic for the most current data sheets.
TI [ TEXAS INSTRUMENTS ]
