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UPD4724 Datasheet(PDF) 7 Page - NEC

Part # UPD4724
Description  RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
PDF  16 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD4724 Datasheet(HTML) 7 Page - NEC

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7
µPD4724
ELECTRICAL SPECIFICATIONS FOR THE DRIVERS (TA = –40 to +85
°C and C1 to C5 = 1 µF)
3 V Mode (VCHA = H, VCC = 3.0 to 3.6 V Unless Otherwise Specified)
Parameter
Symbol
Test 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, to GND
±40
mA
CL = 10 pF, RL = 3 to 7 k
Ω
3.0
30
V/
µs
CL = 2500 pF, RL = 3 to 7 k
Ω
3.0
30
V/
µs
tPHL
tPLH
VCC = VDD = VSS = 0 V
VOUT =
± 2 V
Output Transfer Time in Standby State
tDAZ
RL = 3 k
Ω, CL = 2500 pF,Note 2
410
µs
Output Transfer Time in Standby State
tDZA
RL = 3 k
Ω, CL = 2500 pF,Note 2
13
ms
Power On Output Transfer Time
tPRA
RL = 3 k
Ω, CL = 2500 pF,Note 3
13
ms
Remark TYP. values are valid only at TA = 25
°C and should be used for reference only.
5 V Mode (VCHA = L, VCC = 5.0 V
±10 % Unless Otherwise Specified)
Parameter
Symbol
Test 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 = +5.5 V, VI = 0 V
–40
µA
High Level Input Current
IIH
VCC = +5.5 V, VI = 5.5 V
1.0
µA
VCC = +5.0 V, RL =
∞, TA = 25 °C
±9.7
V
Output Voltage
VDO
VCC = +5.0 V, RL = 3 k
Ω, TA = Topt.
±6.0
V
VCC = +4.5 V, RL = 3 k
Ω, TA = Topt.
±5.0
V
Output Short-Circuit Current
ISC
VCC = +5.0 V, to GND
±40
mA
CL = 10 pF, RL = 3 to 7 k
Ω
4.0
30
V/
µs
CL = 2500 pF, RL = 3 to 7 k
Ω
4.0
30
V/
µs
tPHL
tPLH
VCC = VDD = VSS = 0 V
VOUT =
± 2 V
Output Transfer Time in Standby State
tDAZ
RL = 3 k
Ω, CL = 2500 pF,Note 2
410
µs
Output Transfer Time in Standby State
tDZA
RL = 3 k
Ω, CL = 2500 pF,Note 2
0.5
1
ms
Power-On Output Transfer Time
tPRA
RL = 3 k
Ω, CL = 2500 pF,Note 2
0.5
1
ms
Remark TYP. values are valid only at TA = 25
°C and should be used for reference only.
Propagation Delay TimeNote 1
RL = 3 k
Ω, CL = 2500 pF
2.5
µs
Output Resistance
RO
300
Ω
Slew RateNote 1
SR
Output Voltage
VDO
Slew RateNote 1
SR
Propagation Delay TimeNote 1
RL = 3 k
Ω, CL = 2500 pF
2
µs
Output Resistance
RO
300
Ω



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