HT46R004 datasheet(9/84 Pages) HOLTEK

9 / 84 page

Rev. 1.30

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Rev. 1.30

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HT46R004

Cost-Effective A/D 8-Bit OTP MCU

A.C. Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

fSYS

Ope�ating Clock

—

�.3V~5.5V

MHz

fHIRC

S�stem Clock (HIRC)

3/5V

—

-�%

+�%

MHz

3/5V

Ta=0°~70°C

-5%

+5%

MHz

3.0~5.5V Ta=0°~70°C

-8%

+8%

MHz

3.0~5.5V Ta=-40°~85°C

-1�%

+1�%

MHz

fTIMER

Time� I/P F�eq�enc� (TMR)

3.3~5.5V

—

MHz

tWDTOSC Watchdog oscillato� pe�iod

—

�0

180

μs

—

3�

�5

130

μs

tRES

Exte�nal �eset low p�lse width

—

μs

tRESE

External reset low pulse width (with filter)

—

150

—

tSST

S�stem sta�t-�p time� pe�iod

—

wake-�p f�om halt

—

1�

—

tSYS

tLVR

Low Voltage Width to Reset

—

0.�5

�

tRSTD

S�stem Reset Dela� Time (All Reset)

—

�5

100

Note:1.tSYS=1/fSYS

2.TomaintaintheaccuracyoftheinternalHIRCoscillatorfrequency,a0.1μFdecouplingcapacitorshould

beconnectedbetweenVDDandVSSandlocatedasclosetothedeviceaspossible.

A/D Converter Characteristics

Ta=�5°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

AVDD

Analog ope�ating voltage

—

VREF=VDD

�.7

—

5.5

VAD

AD Inp�t Voltage

—

AVDD/VREF

DNL

A/D Diffe�ential Non-linea�it�

�.7V

VREF=VDD=AVDD

tAD=0.5μs

-�

—

+�

LSB

INL

A/D Integ�al non-linea�it�

�.7V

VREF=VDD=AVDD

tAD=0.5μs

-4

—

LSB

IADC

Additional Powe� Cons�mption if

A/D Conve�te� is Used

No load (tAD=0.5μs)

—

0.5

—

0.�

—

tAD

A/D Conve�te� Clock Pe�iod

�.7V~5.5V

—

0.5

—

μs

tADC

A/D Conve�sion Time

(Incl�de Sample and Hold Time) �.7V~5.5V 1�-bit ADC

—

1�

—

tAD

tON�ST

A/D Conve�te� On-to-Sta�t Time �.7V~5.5V

—

�

—

μs

Note:ADCconversiontime(tAD)=n(bitsADC)+4(samplingtime),theconversionforeachbitneedsoneADC

clock(tAD).

HT46R004 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc

HT46R004 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc

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