AT89C5122D-RDRUM datasheet(184/208 Pages) ATMEL

184 / 208 page

184

AT83R5122, AT8xC5122/23

4202F–SCR–07/2008

Electrical Characteristics

Absolute Maximum Ratings

DC Parameters

TA = -40 to +85°C; VSS = 0 V, FCK_CPU= 0 to 24 MHz , VCC = 3.0V to 5.5V

Ambiant Temperature Under Bias ......................-25

°C to 85°C

Storage Temperature .................................... -65

°C to + 150°C

Voltage on VCC to VSS ......................................-0.5 V to + 6.0V

Voltage on Any Pin to VSS........................-0.5 V to VCC + 0.5 V

Power Dissipation 1 W

Note:

Stresses at or above those listed under “Absolute

Maximum Ratings” may cause permanent damage to

the device. This is a stress rating only and functional

operation of the device at these or any other condi-

tions above those indicated in the operational

sections of this specification is not implied. Exposure

to absolute maximum rating conditions may affect

device reliability.

Power Dissipation value is based on the maximum

allowable die temperature and the thermal resistance

of the package.

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIL

Input Low Voltage

-0.5

0.2 VCC - 0.1

VIH

Input High Voltage except XTAL1, RST

0.2 VCC + 0.9

VCC + 0.5

VIH1

Input High Voltage, XTAL1, RST

0.7 VCC

VCC + 0.5

VOL

Output Low Voltage: P0, ALE, PSEN

0.45

IOL = 1.6 mA

VOH

Output High Voltage: P0, ALE, PSEN

0.9 VCC

VIOH = 10 μA

VOL1

Output Low Voltage: P2, P3, P4, P5, P1.2, P1.6,

P1.7

0.45

IOL = 0.8 mA

VOH1

Output High Voltage: P2, P3, P4, P5, P1.2, P1.6,

P1.7

0.9 VCC

VIOH = -10 μA

IIL

Logical 0 Input Current ports 2 to 5 and P1.2, P1.6,

P1.7, if Weak pull-up enabled

-50

μA

Vin = 0.45 V

ILI

Input Leakage Current

±10

μA

0.45 V < VIN < VCC

ITL

Logical 1 to O transistion Current, Port 51

configuration

−650

μAVIN = 2 V

RMEDIUM

Medium Pullup Resistor

RWEAK

Weak Pullup Resistor

100

CIO

Capacitance of I/O Buffer

Fc = 1MHz

TA = 25

°C

DVCC

Digital Supply Voltage

3.4

3.6

CL = 470 nF

DICC

Digital Supply Output Current (DVcc pin)

CL = 100 nF

FCK_CPU = 24 MHz

VPFDP

Power Fail High Level Threshold

2.8

VPFDM

Power Fail Low Level Threshold

2,5

2.6

trise, tfall

VDD rise and fall time

μs

600

second

AT89C5122D-RDRUM 数据表(PDF) 184 Page - ATMEL Corporation

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