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Data retention characteristics, Data retention waveform, Switching waveforms – Cypress CY7C1006D User Manual

Page 6

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CY7C106D

CY7C1006D

Document #: 38-05459 Rev. *E

Page 6 of 11

Data Retention Characteristics

(Over the Operating Range)

Parameter

Description

Conditions

Min

Max

Unit

V

DR

V

CC

for Data Retention

2.0

V

I

CCDR

Data Retention Current

V

CC

= V

DR

= 2.0V, CE > V

CC

– 0.3V,

V

IN

> V

CC

– 0.3V or V

IN

< 0.3V

3

mA

t

CDR

[4]

Chip Deselect to Data Retention Time

0

ns

t

R

[13, 14]

Operation Recovery Time

t

RC

ns

Data Retention Waveform

4.5V

4.5V

t

CDR

V

DR

> 2V

DATA RETENTION MODE

t

R

CE

V

CC

Switching Waveforms

Read Cycle No.1 (Address Transition Controlled)

[15, 16]

Read Cycle No. 2 (OE Controlled)

[16, 17]

PREVIOUS DATA VALID

DATA VALID

t

RC

t

AA

t

OHA

ADDRESS

DATA OUT

50%

50%

DATA VALID

t

RC

t

ACE

t

DOE

t

LZOE

t

LZCE

t

PU

HIGH IMPEDANCE

t

HZOE

t

HZCE

t

PD

IMPEDANCE

I

CC

I

SB

HIGH

ADDRESS

CE

DATA OUT

V

CC

SUPPLY

CURRENT

OE

Notes

13. Full device operation requires linear V

CC

ramp from V

DR

to V

CC(min)

> 50

µs or stable at V

CC(min)

> 50

µs.

14. t

r

< 3 ns for all speeds.

15. Device is continuously selected, OE and CE = V

IL

.

16. WE is HIGH for read cycle.

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