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參數資料
| 型號： | UPD4726 |
| 廠商： | NEC Corp. |
| 元件分類： | 外設及接口 |
| 英文描述： | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 電可擦除可編程邏輯器件 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 88K |
| 代理商： | UPD4726 |
μ
PD4726
4
ABSOLUTE MAXIMUM RATING (T
a
= 25
°
C)
Parameter
Symbol
Ratings
Unit
Supply voltage
V
CC
0.5 to +7.0
V
Driver input voltage
D
IN
0.5 to V
CC
+ 0.5
V
Receiver input voltage
R
IN
30.0 to +30.0
V
Control input voltage
(STBY, EN)
V
IN
0.5 to V
CC
+ 0.5
V
Driver output voltage
D
OUT
25.0 to +25.0
Note 5
V
Receiver output voltage
R
OUT
0.5 to V
CC
+ 0.5
V
Input current (D
IN
, STBY, EN)
I
INI
±
20.0
mA
Operating ambient temperature
T
opt.
40 to +85
°
C
Storage temperature
T
stg.
55 to +150
°
C
Permissible package power
dissipation
P
T
0.5
W
Note 5.
Pulse width: 1 ms, duty cycle: 10 % MAX.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Supply voltage (V
CHA
= L)
V
CC
4.5
5.0
5.5
V
Input voltage, high (D
IN
)
V
IH
2.0
V
CC
V
Input voltage, low (D
IN
)
V
IL
0
0.8
V
Input voltage, high (STBY, EN)
V
IH
2.4
V
CC
V
Input voltage, low (STBY, EN)
V
IL
0
0.8
V
Receiver input voltage
R
IN
30
+30
V
Operating ambient temperature
T
opt.
40
+85
°
C
External capacitance (nominal value)
Note 6
1
4.7
μ
F
Note 6.
Use capacitors whose capacitance fluctuation is within
±
50 % including fluctuations due to temperature
and tolerance (effective value: 0.5 to 7.05
μ
F).
Use of capacitors with excellent high-frequency characteristics (such as multilayer ceramic capacitors,
tantalum capacitors, and aluminum electrolytic capacitors for switching power supply) is recommended.
Keep the wiring length between a capacitor and an IC pin as short as possible.
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