Datasheet > RTS8505C

RTS8505C

更新时间： 2022-11-24 21:42:44

品牌	Logo	应用领域
其他 - ETC		微处理器
页数	文件大小	规格书
11页	267K
描述
The RTS8505C is a caller ID integrated chip with call waiting function. An 8-bit microprocessor (6502) has been built in the chip and it provides a co

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数据手册

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RTS8505C 数据手册

(preliminary)

RTS8505C

Absolute Maximum Ratings

Comments

DC Supply Voltage.................-0.5V to + 6.0V

Input Voltage.…………..-0.5V to VDD + 0.5V

Output Voltage…………-0.5V to VDD + 0.5V

Never allow a stress to exceed the values listed under

"Absolute Maximum Ratings", otherwise the device

would suffer from a permanent damage. Nor is a

stress at the listed value be allowed to persist over a

period, since an extended exposure to the absolute

maximum rating condition may also affect the

reliability of the device, if not causing a damage

thereof.

Operating Temperature…...........0

to 70

Storage Temperature………..

-40 to 150

AC & DC Electrical Characteristics

DC Electrical Characteristics (Temperature=0°C to 70°C, V_DD=4.5V, GND=0V)

Parameters

Supply voltage

Conditions

MPU operating voltage

FSK operating voltage

CAS operating voltage

RAM operating voltage

Current of FSK receiving data

Current of CAS detection

Current of DTMF dialing

Symbol Min. Typ. Max. Unit

V_DD

V_DDF

V_DDC

V_RAM

I_FSK

2.2

2.8

2.2

5.0

3.5

5.5

Supply current

I_CAS

I_DTMF

Current of standby mode(MPU off, I_STDY

3.58MHz off, 32.768KHz on, CAS off,

FSK off, DTMF off, LCD on)

Current of stop mode(MPU off, I_STOP

3.58MHz off, 32.768KHz off, CAS off,

FSK off, DTMF off, LCD off)

I _OH=1 mA , PIOA and PIOB pins

I _OL=2 mA, PIOA and PIOB pins

I _OL=2.2 mA, PIOA open-drained

PIOA and PIOB pins

PI pins

V_OH1

4.3

0.2

0.8 V_DD

-0.3

0.8 V_DD

-0.3

-2.4

-4.0

6.3

Output voltage

V_OL1

V_OL2

V_IH1

V_IL1

V_IH2

V_IL2

- V_DD+0.3 V

- 0.2 V_DDV

- V_DD+0.3 V

Input voltage

PI pins

0.1V_DD

-2.7

-4.6

7.4

4.6

8.5

5.3

V_OH=4.0V, PIOA and PIOB pins

V_OH=3.6V

V_OH=0.9V, PIOA and PIOB pins

V_OH=0.5V

V_OH=0.9V, PIOA open-drained

V_OH=0.5V

PI, PIOA and PIOB

-2.6

-4.4

7.0

4.4

8.0

5.0

100

I_OH1

Output current

I_OL1

I_OL2

3.9

7.2

4.5

Pull-up resistor

R_PULL

1.0

Aug. 3, 2001

1...3 4 567 8 9...11

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