Cypress CY7C185 specifications Typical DC and AC Characteristics, Normalized Supply Current

Page 7

CY7C185

Typical DC and AC Characteristics

NORMALIZED SUPPLY CURRENT

NORMALIZED SUPPLY CURRENT

vs. SUPPLY VOLTAGE

vs. AMBIENT TEMPERATURE

 

1.4

 

 

 

 

 

1.2

 

 

SB

1.2

 

 

 

 

SB

1.0

 

 

I

 

 

 

 

I

 

I CC

,

 

 

I CC

 

 

,

 

 

 

 

 

 

 

CC

1.0

 

 

 

CC

 

 

I

 

 

 

 

I

0.8

 

 

NORMALIZED

 

 

 

 

 

NORMALIZED

 

 

0.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.6

 

 

 

 

 

0.6

 

 

 

 

 

 

 

 

 

 

 

 

0.4

 

 

 

 

 

0.4

 

V CC=5.0V

 

 

 

 

 

 

 

 

 

0.2

 

 

I SB

 

 

0.2

 

V IN=5.0V

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

SB

 

 

0.0

 

 

 

 

 

0.0

 

 

 

4.0

4.5

5.0

5.5

6.0

 

–55

25

125

 

 

SUPPLY VOLTAGE (V)

 

 

 

AMBIENT TEMPERATURE (°C)

 

 

 

 

 

 

 

 

OUTPUT SOURCE CURRENT

 

(mA)

vs. OUTPUT VOLTAGE

 

120

 

 

 

 

 

 

 

 

 

CURRENT

100

 

 

 

 

80

 

 

 

 

 

 

 

 

 

SOURCE

60

 

 

VCC =5.0V

 

 

 

TA =25°C

 

 

 

 

 

40

 

 

 

 

OUTPUT

20

 

 

 

 

0

1.0

2.0

3.0

4.0

 

0.0

OUTPUT VOLTAGE (V)

NORMALIZED ACCESS TIME

NORMALIZED ACCESS TIME

vs. SUPPLY VOLTAGE

vs. AMBIENT TEMPERATURE

OUTPUT SINK CURRENT vs. OUTPUT VOLTAGE

 

1.4

 

 

 

 

 

1.6

AA

1.3

 

 

 

 

AA

1.4

 

 

 

 

 

 

t

 

 

 

 

 

t

 

NORMALIZED

1.2

 

 

 

 

NORMALIZED

1.2

 

 

 

 

 

1.1

 

 

TA =25°C

 

 

 

 

 

 

1.0

1.0

 

 

 

 

 

 

 

 

 

 

 

 

0.9

 

 

 

 

 

0.8

 

 

 

 

 

 

 

 

0.8

 

 

 

 

 

0.6

 

4.0

4.5

5.0

5.5

6.0

 

–55

VCC =5.0V

25125

(mA)

140

 

 

 

 

120

 

 

 

 

CURRENT

 

 

 

 

100

 

 

VCC =5.0V

 

 

 

 

 

80

 

 

TA =25°C

 

SINK

60

 

 

 

 

 

 

 

 

 

OUTPUT

40

 

 

 

 

20

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

0.0

1.0

2.0

3.0

4.0

SUPPLY VOLTAGE (V)

AMBIENT TEMPERATURE (°C)

OUTPUT VOLTAGE (V)

TYPICAL POWER-ON CURRENT

TYPICAL ACCESS TIME CHANGE

NORMALIZED I CC vs. CYCLE TIME

vs. SUPPLY VOLTAGE

vs. OUTPUT LOADING

 

3.0

 

 

 

 

 

30.0

PO

2.5

 

 

 

 

(ns)

25.0

 

 

 

 

 

 

I

2.0

 

 

 

 

20.0

NORMALIZED

 

 

 

 

AA

 

 

 

 

 

 

1.5

 

 

 

 

DELTA t

15.0

1.0

 

 

 

 

10.0

 

0.5

 

 

 

 

 

5.0

 

0.0

1.0

2.0

3.0

4.0

5.0

0.0

 

0.0

 

SUPPLY VOLTAGE (V)

 

 

 

 

 

 

1.25

VCC =5.0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CC

 

TA =25°C

 

 

 

 

 

 

 

 

VCC =0.5V

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

NORMALIZED

1.00

 

 

 

 

 

 

VCC =4.5V

0.75

 

 

 

 

 

 

 

 

 

 

 

 

 

TA =25°C

 

 

 

 

 

 

0

200

400

600

800

1000

0.50

 

 

 

10

20

30

40

 

CAPACITANCE (pF)

 

 

CYCLE FREQUENCY (MHz)

 

7

Image 7
Contents Selection Guide1 FeaturesLogic Block Diagram Pin Configurations Functional DescriptionAmbient Range Electrical Characteristics Over the Operating RangeMaximum Ratings Operating RangeParameter Description Test Conditions Max Unit Capacitance4AC Test Loads and Waveforms = GNDCE2 Switching Characteristics Over the Operating Range5Read Cycle No.19,10 Switching WaveformsWrite Cycle No WE Controlled10,12 Write Cycle No WE Controlled, OE LOW12,13,14,15 Write Cycle No CE Controlled12,13,14Normalized Supply Current Typical DC and AC CharacteristicsAddress Designators Truth TableOrdering Information Lead 300-Mil Molded DIP P21 Package DiagramsLead 300-Mil Molded Soic S21 Lead 300-Mil Molded SOJ