Cypress CY8C21334 Manual De Usuario

Document Number: 38-12025  Rev. *O

Page 19 of 45

 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C

≤ T

A

 

≤ 85°C, 3.0V to 3.6V and -40°C ≤ T

A

 

≤ 85°C, or 2.4V to 3.0V and -40°C ≤ T

A

 

≤ 85°C, respectively. Typical parameters apply to

5V, 3.3V, or 2.7V at 25°C and are for design guidance only. 

T

STG

Storage Temperature 

-55

25

+100

o

C

Higher storage temperatures 

reduce data retention time. Recom-

mended storage temperature is 

+25

o

C  ± 25

o

C. Extended duration 

storage temperatures above 65

o

C 

degrade reliability.

T

A

Ambient Temperature with Power Applied

-40

–

+85

o

C

Vdd

Supply Voltage on Vdd Relative to Vss

-0.5

–

+6.0

V

V

IO

DC Input Voltage

Vss - 

0.5

–

Vdd + 

0.5

V

V

IOZ

DC Voltage Applied to Tri-state

Vss - 

0.5

–

Vdd + 

0.5

V

I

MIO

Maximum Current into any Port Pin

-25

–

+50

mA

ESD

Electro Static Discharge Voltage

2000

–

–

V

Human Body Model ESD.

LU

Latch-up Current

–

–

200

mA

T

A

Ambient Temperature

-40

–

+85

o

C

T

J

Junction Temperature

-40

–

+100

o

C

The temperature rise from ambient 

to junction is package specific. See 

 on page 38. The user must 

limit the power consumption to 

comply with this requirement.

Vdd

Supply Voltage

2.40

–

5.25

V

I

DD

Supply Current, IMO = 24 MHz

–

3

4

mA

Conditions are Vdd = 5.0V, 

T

A

 = 25

o

C, CPU = 3 MHz, 48 MHz 

disabled. VC1 = 1.5 MHz, 

VC2 = 93.75 kHz, VC3 = 0.366 kHz.

I

DD3

Supply Current, IMO = 6 MHz using SLIMO 

mode.

–

1.2

2

mA

Conditions are Vdd = 3.3V, 

T

A

 = 25

o

C, CPU = 3 MHz, clock 

doubler disabled. VC1 = 375 kHz, 

VC2 = 23.4 kHz, VC3 = 0.091 kHz.

I

DD27

Supply Current, IMO = 6 MHz using SLIMO 

mode.

–

1.1

1.5

mA

Conditions are Vdd = 2.55V, 

T

A

 = 25

o

C, CPU = 3 MHz, clock 

doubler disabled. VC1 = 375 kHz, 

VC2 = 23.4 kHz, VC3 = 0.091 kHz.