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參數(shù)資料
| 型號： | M74HC21M1R |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 10-Bit, 3 or 9 us DAC, Serial Input, Pgrmable Settling Time/Pwr Consumption, Ultra Low Power 8-MSOP -40 to 85 |
| 中文描述： | 雙4輸入與門 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 193K |
| 代理商： | M74HC21M1R |
M74HC21
2/8
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65
°
C; derate to 300mW by 10mW/
°
C from 65
°
C to 85
°
C
RECOMMENDED OPERATING CONDITIONS
PIN No
SYMBOL
NAME AND FUNCTION
1, 9
2, 10
3, 11
4, 12
5, 13
6, 8
7
14
1A to 2A
1B to 2B
N.C.
1C to 2C
1D to 2D
1Y to 2Y
GND
V
CC
Data Inputs
Data Inputs
Not Connected
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
A
B
C
D
Y
L
X
X
X
H
X
L
X
X
H
X
X
L
X
H
X
X
X
L
H
L
L
L
L
H
Symbol
Parameter
Value
Unit
V
CC
V
I
V
O
I
IK
I
OK
I
O
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
I
CC
or I
GND
DC V
CC
or Ground Current
P
D
Power Dissipation
T
stg
Storage Temperature
T
L
Lead Temperature (10 sec)
-0.5 to +7
-0.5 to V
CC
+ 0.5
-0.5 to V
CC
+ 0.5
±
20
±
20
±
25
±
50
500(*)
-65 to +150
300
V
V
V
mA
mA
mA
mA
mW
°C
°C
Symbol
Parameter
Value
Unit
V
CC
V
I
V
O
T
op
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time
2 to 6
0 to V
CC
0 to V
CC
-55 to 125
0 to 1000
0 to 500
0 to 400
V
V
V
°C
ns
ns
ns
t
r
, t
f
V
CC
= 2.0V
V
CC
= 4.5V
V
CC
= 6.0V
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