UPD4721 datasheet(7/16 Pages) NEC

7 / 16 page

µPD4721

5 V mode (Unless otherwise specified, VCHA = L, VCC = +5.0 V

± 10 %)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Low-Level Input Voltage

VIL

0.8

High-Level Input Voltage

VIH

2.0

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

VCC = +5.0 V, RL = 3 k

Ω, TA = Topt

±6.0

VCC = +4.5 V, RL = 3 k

Ω, TA = Topt

±5.0

Output Short-Circuit Current

ISC

VCC = +5.0 V, for GND

±40

CL = 10 pF, RL = 3 to 7 k

Ω

4.0

µs

CL = 2 500 pF, RL = 3 to 7 k

Ω

4.0

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

0.5

Power-On Output Transfer Time

tPRA

RL = 3 k

Ω, CL = 2 500 pF,Note 12

0.5

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

°C.

Note 9. Measuring point

Slew-Rate Note 9

Output Resistor

300

Ω

Output Voltage

VDO

0.8 V

2.0 V

+5 V

+3 V

–3 V

SR+

SR–

–3 V

+3 V

–5 V

tPLH

tPHL

VCC

0 V

VDO+

VDO–

DIN

DOUT

Propagation Delay Time Note 9

RL = 3 k

Ω, CL = 2 500 pF

µs

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