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
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)
Read Cycle No. 2 (OE Controlled)
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.