AT89C5122DS-RDRUM datasheet(189/208 Pages) ATMEL

189 / 208 page

189

AT83R5122, AT8xC5122/23

4202F–SCR–07/2008

Note:

1. The voltage on RST should remain between -0.3V and V

CC+0.3V during dynamic operation.

Note:

1. The voltage on RST should remain between -0.3V and V

CC+0.3V during dynamic operation.

IOL

Output Low Current

VOH

Output High Voltage

0.8 CVCC

CVCC (1)

IOH = 20 μA

External 10K pull-up

resistor tied to CVCC

IOH

Output High Current

Voltage Stability

-0.25

0.8 CVCC

0.4

CVCC + 0.25

Low level

High level

tR tF

Rise and Fall delays

0.8

μsCIN=30pF.

Smart Card RST, I/O, DC Parameters

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VOL

Output Low Voltage

0(1)

0.4

0.12 CVCC

IOL = 50 μΑ (5V until 2009)

IOL = 200 μΑ (5V from 2009)

IOL = 200 μΑ (3V & 1.8V)

IOL

Output Low Current

VOH

Output High Voltage

CVCC-05

0.8 CVCC

CVCC

(1)

IOH = 50 μΑ (+5V until 2009)

IOH = 150 μΑ (+5V from 2009)

IOH = 150 μΑ (+3V & 1.8V)

IOH

Output High Current

tR tF

Rise and Fall delays

0.8

μsCIN=30 pF

Voltage Stability

-0.25

CVCC-0.5

0.4 CVCC

CVCC + 0.25

Low level

High level

Smart Card CIO, DC Parameters

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Card Presence (P1.2) DC Parameters

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

IOL1

CPRES weak pull-up output current

μA

P1.2=1, short to VSS

Pull-up enabled

AT89C5122DS-RDRUM 데이터시트(PDF) 189 Page - ATMEL Corporation

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