Logic Diagram (SN74)
32
QUADRUPLE 2-INPUT POSITIVE-OR GATES
A
B
Y
● Y = A + B
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
SN74 CD74 SN74 CD74
AC
11
PARAMETER
MAX or MIN
TTL
LS
S
ALS
AS
F
UNIT
HC
HC
HCT
HCT
ICC
MAX
MAX
MAX
38
-0.8
16
9.8
-0.4
8
68
-1
4.9
-0.4
8
26.6
-2
15.5
-1
0.02
-4
0.04
-4
0.02
-4
0.04
-4
0.04
-24
24
mA
mA
mA
IOH
IOL
20
20
20
4
4
4
4
SN74 CD74 ACT SN74 CD74
LV
3V
LV
5V
LVC ALVC AUC
AUC
2.3V
PARAMETER
MAX or MIN
AHC AHCT
UNIT
AC
AC
11
ACT
ACT
3V
3V
1.8V
ICC
IOH
IOL
MAX
MAX
MAX
0.02
-24
24
0.08
-24
24
0.04
-24
24
0.02
-24
24
0.08
-24
24
0.02
-8
0.02
-8
0.02
-6
0.02
-12
12
0.01
-24
24
0.01
-24
24
mA
mA
mA
0.01
-8
0.01
-9
8
8
6
8
9
SWITCHING CHARACTERISTICS
SN74 CD74 SN74
PARAMETER
INPUT
OUTPUT
MAX or MIN
TTL
LS
S
ALS
AS
F
HC
HC
HCT
tPLH
tPHL
A or B
A or B
Y
Y
MAX
MAX
15
22
22
22
7
7
14
12
5.8
5.8
6.6
-
25
25
27
27
30
30
CD74
HCT
AC
11
SN74 CD74 ACT SN74 CD74
PARAMETER
INPUT
OUTPUT
MAX or MIN
AHC AHCT
AC
AC
11
ACT
ACT
tPLH
tPHL
A or B
A or B
Y
Y
MAX
MAX
36
36
6.7
5.9
8.5
7.5
9.5
9.5
9
8
10
10
12.1
12.1
8.5
8.5
9
9
LV
3V
LV
5V
LVC ALVC AUC
AUC
2.3V
PARAMETER
INPUT
OUTPUT
MAX or MIN
3V
3V
1.8V
tPLH
A or B
A or B
Y
Y
MAX
MAX
13
13
8.5
8.5
3.8
3.8
2.8
2.8
2.5
2.5
2.1
2.1
tPHL
UNIT: ns
249
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 ]
