UPD4726GS-BAF View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD4726GS-BAF

RS-232 LINE DRIVER/RECEIVER

NEC => Renesas Technology 

µPD4726

ELECTRICAL SPECIFICATIONS (RECEIVERS)

(Unless otherwise specified, VCC = 4.5 to 5.5 V, Ta = −40 to +85 °C, C1 through C5 = 1 µF)

Parameter

Symbol

Conditions

Output voltage, low

(STBY = H)

VOL1

IOUT = 4 mA

Output voltage, high

(STBY = H)

VOH1

IOUT = −4 mA

Output voltage, low

(STBY = L)

VOL2

IOUT = 4 mA

Output voltage, high

(STBY = L)

VOH2

IOUT = −4 mA

Propagation delay time

(STBY = H)

Propagation delay time

(STBY = L, EN = H)

Propagation delay time

(STBY = L)

tPHL

RIN → ROUT, CL =150 pF

tPLH

VCC = +4.5 V, Note 11

tPHL

RIN → ROUT (R6, R7), CL =150 pF

tPLH

VCC = +4.5 V, Note 11

tPHA

EN → ROUT (R6, R7), CL =150 pF

tPAH

VCC = +4.5 V, Note 12

Input resistance

RI

Open voltage across input pins VIO

Input threshold voltage

VIH

(STBY = H)

VIL

VCC = +4.5 to +5.5 V

VCC = +4.5 to +5.5 V

VH

VCC = +4.5 to +5.5 V

(hysteresis width)

Input threshold voltage

(STBY = L, EN = H)

VIH

VCC = +4.5 to +5.5 V, RIN6, RIN7

VIL

VCC = +4.5 to +5.5 V, RIN6, RIN7

Standby output transition time

tDAH

Note 13

Standby output transition time

tDHA

Note 13

Power-ON output transition time tPRA Note 14

Remark TYP. value is a reference value at Ta = 25 °C.

MIN. TYP. MAX. Unit

0.4

V

VCC − 0.4

V

0.5

V

VCC − 0.5

V

0.2

µs

0.1

µs

100

300

ns

3

5.5

7

kΩ

0.5

V

1.7

2.3

2.7

V

0.7

1.1

1.7

V

0.5

1.2

1.8

V

2.7

1.5

V

1.5

0.7

V

0.2

3

µs

0.3

1

ms

0.5

1

ms

Note 11. Test point

+3 V

RIN 0 V

−3 V

0.7 V

2.7 V

VOH

ROUT

VOL

tPLH

2.0 V

tPHL

0.8 V

8

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