Logic Diagram (SN74)
14
HEX SCHMITT-TRIGGER
INVERTERS
A
Y
● Y = A
● 74AC11xxx: Product Available in Reduced-Noise
Advanced CMOS (Series)
● 74ACT11xxx: Product Available in Reduced-Noise
Advanced CMOS (11000 Series)
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
SN74 CD74 SN74 CD74 SN74 CD74 SN74 CD74
PARAMETER
MAX or MIN
TTL
LS
AHC AHCT UNIT
HC
HC
HCT
HCT
AC
AC
ACT
ACT
ICC
MAX
MAX
MAX
60
-0.8
16
21
-0.4
8
0.02
-4
0.04
-4
0.02
-4
0.04
-4
0.02
-24
24
0.08
-24
24
0.02
-24
24
0.08
-24
24
0.02
-8
0.02
-8
mA
mA
mA
IOH
IOL
4
4
4
4
8
8
LV
3V
LV
5V
LVC ALVC AUC AUC
PARAMETER
MAX or MIN
UNIT
3V
3V
1.8V
2.5V
ICC
IOH
IOL
MAX
MAX
MAX
-
-6
6
0.02
-12
12
0.01
-24
24
0.01
-24
24
0.01
-8
0.01
-9
mA
mA
mA
8
9
SWITCHING CHARACTERISTICS
SN74 CD74 SN74 CD74 SN74 CD74 SN74 CD74
PARAMETER
INPUT
OUTPUT
MAX or MIN
TTL
LS
HC
HC
HCT
HCT
AC
AC
ACT
ACT
tPLH
tPHL
A or B
A or B
Y
Y
MAX
MAX
22
22
22
22
31
31
41
41
40
40
57
57
11
10.5
10.5
12.5
11
14.5
9.5
9.5
LV
3V
LV
5V
LVC ALVC AUC AUC
PARAMETER
INPUT
OUTPUT
MAX or MIN
AHC AHCT
3V
3V
1.8V
2.5V
tPLH
A or B
A or B
Y
Y
MAX
MAX
12
12
9
9
18.5
18.5
12
12
6.4
6.4
3.4
3.4
3.5
3.5
2.7
2.7
tPHL
UNIT: ns
242
: OBSOLETED or NOT RECOMMENDED NEW DESIGNS
TI [ TEXAS INSTRUMENTS ]
