Cypress Perform CY7C68013 Manual do Utilizador descarregar pdf (Página 36)

CY7C68013A, CY7C68014A

CY7C68015A, CY7C68016A

Document #: 38-08032 Rev. *L Page 36 of 62

6. Absolute Maximum Ratings

Storage Temperature..................................................................................................................................................... 65°C to +150°C

Ambient Temperature with Power Supplied (Commercial)................................................................................................ 0°C to +70°C

Ambient Temperature with Power Supplied (Industrial).............................................................................................. –40°C to +105°C

Supply Voltage to Ground Potential................................................................................................................................ –0.5V to +4.0V

DC Input Voltage to Any Input Pin

[15]

............................................................................................................................................5.25V

DC Voltage Applied to Outputs in High Z State .................................................................................................... –0.5V to VCC

+ 0.5V

Power Dissipation......................................................................................................................................................................300 mW

Static Discharge Voltage.............................................................................................................................................................>2000V

Max Output Current, per IO port...................................................................................................................................................10 mA

Max Output Current, all five IO ports (128- and 100-pin packages) .............................................................................................50 mA

7. Operating Conditions

(Ambient Temperature Under Bias) Commercial......................................................................................................... 0°C to +70°C

(Ambient Temperature Under Bias) Industrial......................................................................................................... –40°C to +105°C

Supply Voltage............................................................................................................................................................ +3.00V to +3.60V

Ground Voltage...................................................................................................................................................................................0V

OSC

(Oscillator or Crystal Frequency).......................................................................................24 MHz ± 100 ppm, Parallel Resonant

8. Thermal Characteristics

The following table displays the thermal characteristics of various packages:

The Junction Temperature

θj, can be calculated using the following equation: θj = P*θJa + θa

where,

P = Power

θJa = Junction to Ambient Temperature (θJc + θCa)

θa = Ambient Temperature (70 C)

The Case Temperature

θc, can be calculated using the following equation: θc = P*θCa + θa

where,

P = Power

θCa = Case to Ambient Temperature

θa = Ambient Temperature (70 C)

Table 13. Thermal Characteristics

Package

θa

Ambient Temperature

(°C)

θJc

Junction to Case

Temperature

(°C/W)

θCa

Case to Ambient

Temperature

(°C/W)

θJa

Junction to Ambient Temperature

θJc + θCa

(°C/W)

56 SSOP 70 24.4 23.3 47.7

100 TQFP 70 11.9 34.0 45.9

128 TQFP 70 15.5 27.7 43.2

56 QFN 70 10.6 14.6 25.2

56 VFBGA 70 30.9 27.7 58.6

Note

15. Do not power IO with chip power off.

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