參數(shù)資料
型號(hào)： MM74C908N
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 外設(shè)及接口
英文描述： Dual CMOS 30V Relay Driver
中文描述： 0.5 A 2 CHANNEL, NAND GATE BASED PRPHL DRVR, PDIP8
封裝： PLASTIC, DIP-8
文件頁(yè)數(shù)： 2/5頁(yè)
文件大?。?/td> 55K
代理商： MM74C908N
www.fairchildsemi.com
2
M
Absolute Maximum Ratings
(Note 1)
Note 1:
“Absolute Maximum Ratings” are those values beyond which the
safety of the device cannot be guaranteed. Except for “Operating Tempera-
ture Range” they are not meant to imply that the devices should be oper-
ated at these limits. The Electrical Characteristics table provides conditions
for actual device operation.
DC Electrical Characteristics
Min/Max limits apply across temperature range, unless otherwise noted
Symbol
Parameter
Note 2:
θ
JA
measured in free air with device soldered into printed circuit board.
AC Electrical Characteristics
(Note 3)
Note 3:
AC Parameters are guaranteed by DC correlated testing.
Note 4:
Capacitance is guaranteed by periodic testing.
Voltage at any Input Pin
Voltage at any Output Pin
Operating Temperature Range
Operating V
CC
Range
Absolute Maximum V
CC
I
SOURCE
Storage Temperature
Range (T
S
)
0.3V to V
CC
+
0.3V
32V
40
°
C to
+
85
°
C
4V to 18V
19V
500 mA
+
150
°
C
65
°
C to
+
150
°
C
Lead Temperature (T
L
)
(Soldering, 10 seconds)
Power Dissipation (P
D
)
260
°
C
Refer to Maximum Power
Dissipation vs Ambient
Temperature Graph
Conditions
Min
Typ
Max
Units
CMOS TO CMOS
V
IN(1)
Logical “1” Input Voltage
V
CC
=
5V
V
CC
=
10V
V
CC
=
5V
V
CC
=
10V
V
CC
=
15V, V
IN
=
15V
V
CC
=
15V, V
IN
=
0V
V
CC
=
15V, Outputs Open Circuit
V
IN
=
V
CC
, I
OUT
=
200
μ
A
3.5
8.0
V
V
V
V
IN(0)
Logical “0” Input Voltage
1.5
2.0
1.0
V
I
IN(1)
I
IN(0)
I
CC
Logical “1” Input Current
Logical “0” Input Current
0.005
0.005
0.05
30
μ
A
μ
A
μ
A
V
1.0
Supply Current
Output “OFF” Voltage
15
CMOS/LPTTL INTERFACE
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
OUTPUT DRIVE
V
OUT
Output Voltage
V
CC
=
4.75V
V
CC
=
4.75V
V
CC
1.5
V
V
0.8
I
OUT
=
300 mA, V
CC
≥
5V, T
J
=
25
°
C
I
OUT
=
250 mA, V
CC
≥
5V, T
J
=
65
°
C
I
OUT
=
175 mA, V
CC
≥
5V, T
J
=
150
°
C
I
OUT
=
300 mA, V
CC
≥
5V, T
J
=
25
°
C
I
OUT
=
250 mA, V
CC
≥
5V, T
J
=
65
°
C
I
OUT
=
175 mA, V
CC
≥
5V, T
J
=
150
°
C
V
CC
2.7
V
CC
3.0
V
CC
3.15
V
CC
1.8
V
CC
1.9
V
CC
2.0
6.0
7.5
V
V
V
R
ON
Output Resistance
9.0
12
10
0.55
18
0.80
Output Resistance
Coefficient
%/
°
C
θ
JA
Thermal Resistance
MM74C908
(Note 2)
(Note 2)
100
45
110
55
°
C/W
°
C/W
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
pd1
Propagation Delay
V
CC
=
5V, R
L
=
50
,
C
L
=
50 pF, T
A
=
25
°
C
V
CC
=
10V, R
L
=
50
,
C
L
=
50 pF, T
A
=
25
°
C
V
CC
=
5V, R
L
=
50
,
C
L
=
50 pF, T
A
=
25
°
C
V
CC
=
10V, R
L
=
50
,
C
L
=
50 pF, T
A
=
25
°
C
(Note 4)
150
300
ns
to a Logical “1”
65
120
ns
t
pd0
Propagation Delay
to a Logic “0”
2.0
10
μ
s
4.0
20
μ
s
C
IN
Input Capacitance
5.0
pF
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