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UPD4722 数据表(PDF) 6 Page - NEC

部件名 UPD4722
功能描述  RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
Download  16 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD4722 数据表(HTML) 6 Page - NEC

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6
µPD4722
Output Voltage
VDO
Note 8. Measuring point
ELECTRICAL SPECIFICATIONS (DRIVER)
(UNLESS OTHERWISE SPECIFIED, TA = –40 to +85
°C, C1 to C5 = 1
µF)
3 V mode (unless otherwise specified, VCHA = H, VCC = 3.0 to 3.6 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Low-Level Input Voltage
VIL
0.8
V
High-Level Input Voltage
VIH
2.0
V
Low-Level Input Current
IIL
VCC = +3.6 V, VI = 0 V
–25
µA
High-Level Input Current
IIH
VCC = +3.6 V, VI = 3.6 V
1.0
µA
VCC = +3.3 V, RL =
∞, TA = 25 °C
±9.5
V
VCC = +3.3 V, RL = 3 k
Ω, TA = Topt
±5.0
±6.0
V
VCC = +3.0 V, RL = 3 k
Ω, TA = +25 °C
±5.0
V
Output Short-Circuit Current
ISC
VCC = +3.3 V, for GND
±40
mA
CL = 10 pF, RL = 3 to 7 k
3.0
30
V/
µs
CL = 2 500 pF, RL = 3 to 7 k
3.0
30
V/
µs
tPHL
tPLH
VCC = VDD = VSS = 0 V
VOUT =
±2 V
Standby Output Transfer Time
tDAZ
RL = 3 k
Ω, CL = 2 500 pF,Note 10
410
µs
Standby Output Transfer Time
tDZA
RL = 3 k
Ω, CL = 2 500 pF,Note 10
13
ms
Power-On Output Transfer Time
tPRA
RL = 3 k
Ω, CL = 2 500 pF,Note 11
13
ms
* The TYP. values are for reference at TA = 25
°C.
Propagation Delay TimeNote 9
RL = 3 k
Ω, CL = 2 500 pF
2.5
µs
Output Resistor
RO
300
Slew-RateNote 9
SR
3.3 V
0.6 V
2.4 V
0.6 V
0.6 V
0.6 V
2.4 V
0.6 V
4.5 V
3.6 V
4.5 V
3.6 V
tSCH
tCHS
tSCH
tCHS
tSC
tCS
tSC
tCS
5 V
0.6 V
0 V
3.3 V
5 V
0 V
STBY
VCHA
VCC
3.3 V


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