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參數資料
| 型號： | MM54240N |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Asynchronous Receiver/Transmitter Remote Controller |
| 中文描述： | 異步接收器/發射器遙控器 |
| 文件頁數： | 2/10頁 |
| 文件大小： | 187K |
| 代理商： | MM54240N |
Absolute Maximum Ratings
(exceeding these ratings could result in permanent damage
to the device)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Voltage on Any Pin
with Respect to V
SS
Operating Temperature
b
0.5V to
a
12.0V
b
40
§
C to
a
85
§
C
Storage Temperature
b
65
§
C to
a
150
§
C
Lead Temperature (Soldering, 10 seconds)
300
§
C
Electrical Characteristics
T
A
within operating range, V
SS
e
0V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
DD
I
DD
Supply Voltage
Supply Current, Quiescent
4.75
11.5
5.0
V
V
DD
e
4.75V to 11.5V
mA
Input Voltage
Logic ‘‘0’’
Logic ‘‘1’’
Logic ‘‘1’’
V
IL
V
IH
V
IH
V
DD
e
4.75V to 11.5V
V
DD
e
4.75V to 5.25V
V
DD
e
5.25V to 11.5V
0
0.8
V
DD
V
DD
V
V
V
2.4
V
DD
b
2.85
Output Current (D0–D7)
V
OL
e
0.4V
V
OH
e
2.4V
V
OH
e
0.5 V
DD
V
OH
e
0.6 V
DD
(Weak V
OH
)
Short Circuit Output Current
I
OL
I
OH
I
OH
I
OH
I
OS
V
DD
e
4.75V to 11.5V
V
DD
e
4.75V to 5.25V
V
DD
e
5.25V to 11.5V
V
DD
e
4.75V to 11.5V
V
DD
e
4.75V to 5.25V
2.0
200
200
0.5
mA
m
A
m
A
m
A
mA
30
5
Output (CS Slave)
V
OL
e
0.5V
I
OL
V
DD
e
4.75V to 11.5V
0.4
mA
Frequency RC Input
For a Fixed (RC)
1
(Note 1)
For a Fixed (RC)
2
(Note 1)
F
F
V
DD
e
4.75V to 7.0V
V
DD
e
7.0V to 11.5V
200
200
400
400
600
600
kHz
kHz
Output Current (Serial)
V
OL
e
0.4V
Open-Drain Leakage
I
OL
I
LEAK
V
DD
e
4.75V to 11.5V
V
DD
e
4.75V to 11.5V
2.0
mA
m
A
10
Internal Input Pull-Up Resistors, CS, Mode
V
IN
e
V
SS
I
IL
V
DD
e
4.75V to 11.5V
15
100
m
A
Note 1:
(RC)
1
or (RC)
2
: suggested R 1 k
X
–10 k
X
, suggested C 50 pFd–500 pFd.
Typical Application
TL/F/10819–2
2
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