Datasheet > 驱动程序和接口 > 线路驱动器或接收器> UPD4712CCY

UPD4712CCY

更新时间： 2024-01-31 12:51:45

品牌	Logo	应用领域
日电电子 - NEC		线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
12页	82K
描述
RS-232 LINE DRIVER/RECEIVER

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技术参数
数据手册

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UPD4712CCY 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.92
Is Samacsys：	N	Base Number Matches：	1

UPD4712CCY 数据手册

µPD4712C/4712D

Note 5. Test Point

5 V

0 V

Standby input

1.5 V

+5 V

VOH

+5 V

–5 V

High impedance

Driver output

–5 V

DZA

DAZ

Do not perform communication within the standby output transition time tDZA on power application or on releasing

the standby mode.

ELECTRICAL CHARACTERISTICS (RECEIVER)

(Unless otherwise specified, V^CC= +5 V ±10 %, TA = –20 ˚C to +80 ˚C, C1 to C4 = 22 µF)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX

0.4

Unit

Low-level output voltage

High-level output voltage

VOL

I^OUT= 4 mA

V^CC

V^OH

I^OUT= –4 mA

–0.8

Low-level input voltage

High-level input voltage

VIL

VIH

tPHL

tPLH

IIN

RCON pin

R^CONpin

0.8

2.0

Note 7

Propagation delay time

R^L= 1 kΩ, C^L= 150 pF

0.13

µs

Input current

kΩ

Input resistance

Input pin release voltage

Input threshold A mode

(RCON pin low)

VIO

VIH

VIL

Input threshold A mode only

V^CC= +5 V

0.5

2.6

1.6

1.8

2.6

–3.0

5.4

–1.6

–3.0

1.8

1.6

0.6

2.2

VCC = +5 V

VCC = +5 V (hysteresis width)

V^CC= +5 V

0.5

1.2

Note 6

Input threshold B mode

(RCON pin high)

VIH

VIL

1.6

2.2

VCC = +5 V

–0.4

2.6

–1.8

4.0

Only applicable to the µPD4712C

VCC = +5 V (hysteresis width)

VCC = +5 V

Note 6

Input threshold C mode

VIH

VIL

–0.4

–0.8

0.5

–0.8

–2.0

1.2

(RCON pin high)

VCC = +5 V

VCC = +5 V (hysteresis width)

Note 8

Only applicable to the µPD4712D

Standby output transition time

Standby output transiton time

tDAZ

tDZA

0.4

µs

Note 8

0.03

* TYP.: Typical (reference) value at T^A= 25 ˚C.

Note 6. This data is applicable to receivers 3 and 4 only. Receiver 1 and 2 are fixed in input threshold A mode.

1...3 4 567 8 9...12

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