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Switching waveforms – Cypress CY62158E User Manual

Page 6

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CY62158E MoBL

®

Document #: 38-05684 Rev. *D

Page 6 of 10

Switching Waveforms

Figure 4

shows address transition controlled read cycle waveforms.

[13, 14]

Figure 4. Read Cycle No. 1

Figure 5

shows OE controlled read cycle waveforms.

[14, 15]

Figure 5. Read Cycle No. 2

ADDRESS

DATA OUT

PREVIOUS DATA VALID

DATA VALID

t

RC

t

AA

t

OHA

50%

50%

DATA VALID

t

RC

t

ACE

t

DOE

t

LZOE

t

LZCE

t

PU

HIGH IMPEDANCE

t

HZOE

t

HZCE

t

PD

HIGH

I

CC

I

SB

IMPEDANCE

OE

CE

1

ADDRESS

CE

2

DATA OUT

SUPPLY

CURRENT

V

CC

Notes

13. Device is continuously selected. OE, CE

1

= V

IL

, CE

2

= V

IH

.

14. WE is HIGH for read cycle.
15. Address valid before or similar to CE

1

transition LOW and CE

2

transition HIGH.

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