HT95R64 datasheet(6/82 Pages) HOLTEK

6 / 82 page

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

DTMF Generator (Operating Temperature:

-20°Cto85°C

VTDC

DTMF Output DC Level

¾¾

0.45VDD

0.7VDD

VTOL

DTMF Sink Current

¾ VDTMF= 0.5V

0.1

¾¾

DTMF Receiver

RIN

Input Impedance (VP, VN)

¾¾

IOL3

Sink Current (EST)

VOUT= 0.5V

2.5

IOH3

Source Current (EST)

VOUT= 4.5V

-0.4

-0.8

Low-voltage Reset

VLVR1

Low Voltage Reset 1 (Note 2)

¾ Configuration option= 4.2V

3.98

4.2

4.42

VLVR2

Low Voltage Reset 2 (Note 2)

¾ Configuration option= 3.15V

2.98

3.15

3.32

VLVR3

Low Voltage Reset 3 (Note 2)

¾ Configuration option= 2.1V

1.98

2.1

2.22

Note:

1. Distortion: T.H.D.=20

´log

2. Vi, Vh: Row group and column group signals

3. V1, V2, ....., Vn: Harmonic signals (BW=300Hz~3500Hz)

A.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

General

fSYS1

System Clock 1

Normal mode

32768Hz crystal oscillator

3.5795

MHz

Normal Mode, X2 PLL

7.16

MHz

Normal Mode, X3 PLL

10.74

MHz

Normal Mode, X4 PLL

14.32

MHz

fSYS2

System Clock 2

Green Mode,

32768Hz crystal oscillator

kHz

tSST

System Start-up Timer Period

Power-up, Reset or

wake-up from HALT

1024

tSYS

tLVR

Low Voltage Width to Reset

¾¾

tWAKE

Wake-up Time for 32768Hz

Crystal OSC

32kHz oscillator off

® on

¾¾

200

tFUP

Settling Time for 32768Hz to

HCLK: PLL (Frequency Up

Conversion)

32kHz oscillator is on;

HCLK oscillator off

® on

¾¾

tS2G

Time from Sleep Mode to

Green Mode

¾ Wake-up from Sleep Mode

HT95R64/HT95R65

Rev. 1.00

March 3, 2010

HT95R64 датащи(PDF) 6 Page - Holtek Semiconductor Inc

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