UPD4721GS-GJG Просмотр технического описания (PDF) - NEC => Renesas Technology

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производитель

UPD4721GS-GJG

RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V

NEC => Renesas Technology 

µPD4721

5 V mode (Unless otherwise specified, VCHA = L, VCC = +5.0 V ± 10 %)

Parameter

Low-Level Input Voltage

High-Level Input Voltage

Low-Level Input Current

High-Level Input Current

Output Voltage

Output Short-Circuit Current

Slew-Rate Note 9

Propagation Delay Time Note 9

Output Resistor

Standby Output Transfer Time

Standby Output Transfer Time

Power-On Output Transfer Time

Symbol

Conditions

VIL

VIH

IIL

VCC = +5.5 V, VI = 0 V

IIH

VCC = +5.5 V, VI = 5.5 V

VCC = +5.0 V, RL = ∞, TA = 25 °C

VDO VCC = +5.0 V, RL = 3 kΩ, TA = Topt

VCC = +4.5 V, RL = 3 kΩ, TA = Topt

ISC VCC = +5.0 V, for GND

CL = 10 pF, RL = 3 to 7 kΩ

SR

CL = 2 500 pF, RL = 3 to 7 kΩ

tPHL

tPLH

RL = 3 kΩ, CL = 2 500 pF

VCC = VDD = VSS = 0 V

RO

VOUT = ±2 V

tDAZ

RL = 3 kΩ, CL = 2 500 pF,Note 10

tDZA

RL = 3 kΩ, CL = 2 500 pF,Note 10

tPRA RL = 3 kΩ, CL = 2 500 pF,Note 12

* The TYP. values are for reference at TA = 25 °C.

MIN.

2.0

±6.0

±5.0

4.0

4.0

TYP.

±9.7

MAX.

0.8

–40

1.0

±40

30

30

Unit

V

V

µA

µA

V

V

V

mA

V/µs

V/µs

2

µs

300

Ω

4

10

µs

0.5

1

ms

0.5

1

ms

Note 9. Measuring point

VCC

DIN

0V

VDO+

DOUT

VDO–

0.8 V

tPLH

–3 V

+5 V

+3 V

2.0 V

tPHL

+3 V

–3 V

–5 V

SR+

SR–

7

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