AS8267 查看數據表（PDF） - austriamicrosystems AG

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AS8267

Single-Phase 2-Current Energy Measurement Integrated Circuits with Microcontroller, RTC, Programmable Multi-Purpose I/Os, LCD Driver and On-Chip FLASH Memory

austriamicrosystems AG 

Data Sheet AS8267 / AS8268

6.3 DC/AC Characteristics for Digital Inputs and Outputs

CMOS Input with Schmitt Trigger and Pull-up Resistor (RXD, RES_N)

Parameter

High level input voltage

Low level input voltage

Low level input current

Symbol Min

Typ

Max

Unit Notes

VIH 0.7 x VDD

V

VIL

IIL

-100

0.3 x VDD

-15

V

µA Tested at VDD=3.6V and Vin=0V

CMOS Output (TXD)

Parameter

Symbol Min

Typ

Max

Unit Notes

High level output voltage

VOH

2.5

V Tested at VDD=3.0V

Low level output voltage

VOL

0.4

V Tested at VDD=3.0V

High level output current

IOH

4

mA Tested at VDD=3.0V and Vout=VOH

Low level output current

IOL

-4

mA Tested at VDD=3.0V and Vout=VOL

MPIO Inputs with Pull-up or Pull-down Resistor (SC, S_N, MISO, MOSI)

Parameter

High level input voltage

Low level input voltage

High level output voltage

Low level output voltage

High level output current

Low level output current

Pull-up

High level input leakage

Low level input current

Pull-down

High level input leakage

Low level input current

Symbol

VIH

VIL

VOH

VOL

IOH

IOL

Min

0.7*VDD

2.5

-4

Max

0.3*VDD

0.4

4

Unit Notes

V

V

V

V

mA

mA

IIH

-1

1

µA Tested at VDD=Vin=3.6V

IIL

-100

-15

µA Tested at VDD=3.6V and Vin=0V;

‘pull-up’

IIH

100

15

µA Tested at VDD=Vin=3.6V; ‘pull-down’

IIL

-1

1

µA Tested at VDD=3.6V and Vin=0V

Note:

VOH, VOL, IOH and IOL are tested at VDD=3.0V.

IOL is tested at Vout=VOL

IOH is tested at Vout=VOH

Revision 1.0, 19-Jun-07

Page 9 of 136

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