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Thermal resistance, Ac test loads and waveforms, Data retention characteristics – Cypress CY62138FV30 User Manual

Page 4: Data retention waveform

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Document #: 001-08029 Rev. *E

Page 4 of 13

CY62138FV30 MoBL

®

Thermal Resistance

[8]

Parameter

Description

Test Conditions

SOIC

VFBGA

TSOP II

STSOP

TSOP I Unit

Θ

JA

Thermal Resistance

(Junction to Ambient)

Still air, soldered on a 3 x 4.5

inch, two layer printed circuit

board

44.53

38.49

44.16

59.72

50.19

°C/W

Θ

JC

Thermal Resistance

(Junction to Case)

24.05

17.66

11.97

15.38

14.59

°C/W

AC Test Loads and Waveforms

Parameters

2.5V (2.2V to 2.7V)

3.0V (2.7V to 3.6V)

Unit

R1

16667

1103

R2

15385

1554

R

TH

8000

645

V

TH

1.20

1.75

V

Data Retention Characteristics

(Over the Operating Range)

Parameter

Description

Conditions

Min

Typ

[3]

Max

Unit

V

DR

V

CC

for Data Retention

1.5

V

I

CCDR

[7]

Data Retention Current

V

CC

= 1.5V,

CE

1

> V

CC

− 0.2V or CE

2

< 0.2V,

V

IN

> V

CC

− 0.2V or V

IN

< 0.2V

1

4

µA

t

CDR

[8]

Chip Deselect to Data Retention Time

0

ns

t

R

[9]

Operation Recovery Time

t

RC

ns

Data Retention Waveform

[10]

V

CC

V

CC

OUTPUT

R2

30 pF

INCLUDING

JIG AND

SCOPE

GND

90%

10%

90%

10%

Rise Time = 1 V/ns

Fall Time = 1 V/ns

OUTPUT

V

Equivalent to:

THEVENIN

EQUIVALENT

ALL INPUT PULSES

R

TH

R1

V

CC(min)

V

CC(min)

t

CDR

V

DR

> 1.5V

DATA RETENTION MODE

t

R

V

CC

CE

Notes:

9. Full device AC operation requires linear V

CC

ramp from V

DR

to V

CC(min)

> 100

µs or stable at V

CC(min)

> 100

µs.

10. CE is the logical combination of CE

1

and CE

2

. When CE

1

is LOW and CE

2

is HIGH, CE is LOW; when CE

1

is HIGH or CE

2

is LOW, CE is HIGH.

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