M74HC08
Electrical characteristics
3 Electrical characteristics
Stressing the device above the ratings listed in the "Absolute maximum ratings" table may
cause permanent damage to the device. These are stress ratings only, and operation of the
device at these or any other conditions above those indicated in the operating sections of
this specification are not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Table 4: Absolute maximum ratings
Symbol Parameter Value Unit
V
CC
Supply voltage -0.5 to +7 V
V
I
DC input voltage -0.5 to V
CC
to +0.5 V
V
O
DC output voltage -0.5 to V
CC
to +0.5 V
I
IK
DC input diode current ±20 mA
I
OK
DC output diode current ±20 mA
I
O
DC output current ±25 mA
I
CC
or I
GND
DC V
CC
or ground current ±50 mA
P
D
Power dissipation
500
(1)
mW
T
stg
Storage temperature -65 to +150 °C
T
L
Lead temperature (10 sec.) 300 °C
Notes:
(1)
500 mW at 65 °C; derate to 300 mW by 10 mW/°C from 65 °C to 85 °C
Table 5: Recommended operating conditions
Symbol Parameter Value Unit
V
CC
Supply voltage 2 to 6 V
V
I
Input voltage 0 to V
CC
V
V
O
Output voltage 0 to V
CC
V
T
op
Operating temperature -55 to 125 °C
t
r
, t
f
Input rise and fall time V
CC
= 2.0 V 0 to 1000 ns
V
CC
= 4.5 V 0 to 500 ns
V
CC
= 6.0 V 0 to 400 ns
DocID001885 Rev 2 7/15
Electrical characteristics
M74HC08
Table 6: DC specifications
Symbol
Parameter
Test condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to
125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IH
High-level input
voltage
2.0
1.5
1.5
1.5
V
4.5
3.15
3.15
3.15
6.0
4.2
4.2
4.2
V
IL
Low-level input
voltage
2.0
0.5
0.5
0.5
V
4.5
1.35
1.35
1.35
6.0
1.8
1.8
1.8
V
OH
High-level output
voltage
2.0
I
O
= -20 µA
1.9
2.0
1.9
1.9
V
4.5
I
O
= -20 µA
4.4
4.5
4.4
4.4
6.0
I
O
= -20 µA
5.9
6.0
5.9
5.9
4.5
I
O
= -4.0 mA
4.18
4.31
4.13
4.10
6.0
I
O
= -5.2 mA
5.68
5.8
5.63
5.60
V
OL
Low-level output
voltage
2.0
I
O
= 20 µA
0.0
0.1
0.1
0.1
V
4.5
I
O
= 20 µA
0.0
0.1
0.1
0.1
6.0
I
O
= 20 µA
0.0
0.1
0.1
0.1
4.5
I
O
= 4.0 mA
0.17
0.26
0.33
0.40
6.0
I
O
= 5.2 mA
0.18
0.26
0.33
0.40
I
I
Input leakage current
6.0
V
I
= V
CC
or
GND
±0.1
±1
±1
µA
I
CC
Quiescent supply
current
6.0
V
I
= V
CC
or
GND
1
10
20
µA
8/15 DocID001885 Rev 2
M74HC08
Electrical characteristics
Table 7: AC electrical characteristics (C
L
= 50 pF, input t
r
= t
f
= 6 ns)
Symbol
Parameter Test
condition
Value
Unit
T
A
= 25°C -40 to
85°C
-55 to
125°C
V
CC
(V) Min. Typ.
Max. Min. Max.
Min. Max.
t
TLH
t
THL
Output
transition time
2.0
30 75
95
110 ns
4.5
8 15
19
22
6.0
7 13
16
19
t
PLH
t
PHL
Propagation
delay time
2.0
24 75
95
110 ns
4.5
8 15
19
22
6.0
7 13
16
19
Table 8: Capacitive characteristics
Symbol
Parameter Test
condition
Value Unit
T
A
= 25°C -40 to 85°C -55 to
125°C
V
CC
(V) Min.
Typ.
Max. Min.
Max.
Min.
Max.
C
IN
Input
capacitance
5.0
5 10
10
10 pF
C
PD
Power
dissipation
capacitance
(1)
5.0
19
pF
Notes:
(1)
C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the
operating current consumption without load (refer to the test circuit). The average operating current
can be obtained by the following equation: I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/4 (per gate).
DocID001885 Rev 2 9/15

M74HC08RM13TR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Logic Gates Quad 2-Input AND
Lifecycle:
New from this manufacturer.
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