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UPD4726 数据表(PDF) 6 Page - NEC

部件名 UPD4726
功能描述  RS-232 LINE DRIVER/RECEIVER
Download  12 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD4726 数据表(HTML) 6 Page - NEC

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µPD4726
6
ELECTRICAL SPECIFICATIONS (DRIVERS)
(Unless otherwise specified, Ta =
−40 to +85 °C, VCC = +5.0 V ±10 %, C1 through C5 = 1
µF)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Input voltage, low
VIL
0.8
V
Input voltage, high
VIH
2.0
V
Input current, low
IIL
−40
µA
Input current, high
IIH
1.0
µA
Output voltage
VDO
VCC = +5.0 V, RL =
∞, Ta = 25 °C
±9.7
V
VCC = +5.0 V, RL = 3 k
Ω, Ta = Topt.
±5.5
V
VCC = +4.5 V, RL = 3 k
Ω, Ta = Topt.
±5.0
V
Output short current
ISC
VCC = +5.0 V, vs. GND
±40
mA
Slew rate
SR
CL = 10 pF, RL = 3 to 7 k
4.0
30
V/
µs
CL = 2 500 pF, RL = 3 to 7 k
4.0
30
V/
µs
Propagation delay time Note 8
tPHL
RL = 3 k
Ω, CL = 2 500 pF
2
µs
tPLH
Output resistance
R0
VCC = VDD = VSS = 0 V
300
VOUT =
±2 V
Standby output transition time
tDAZ
RL = 3 k
Ω, CL = 2500 pF, Note 9
410
µs
Standby output transition time
tDZA
RL = 3 k
Ω, CL = 2500 pF, Note 9
0.5
1
ms
Power-ON output transition time
tPRA
RL = 3 k
Ω, CL = 2500 pF, Note 10
0.5
1
ms
Remark
TYP. value is a reference value at Ta = 25
°C.
Note 8. Test point
VCC
DIN
0 V
VDO+
DOUT
VDO−
2.0 V
tPHL
tPLH
SR+
SR
0.8 V
+5 V
+3 V
+3 V
−3 V
−5 V
−3 V


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