Cypress CY62158E 사용자 설명서
CY62158E MoBL
®
Document #: 38-05684 Rev. *D
Page 4 of 10
Figure 2. AC Test Loads and Waveforms
Parameters
5.0V
Unit
R1
1838
Ω
R2
994
Ω
R
TH
645
Ω
V
TH
1.75
V
Data Retention Characteristics
Over the Operating Range
Parameter
Description
Conditions
Min
Typ
Max
Unit
V
DR
V
CC
for Data Retention
2
V
I
CCDR
Data Retention Current
V
CC
= V
DR
CE
1
> V
CC
− 0.2V, CE
2
< 0.2V,
V
IN
> V
CC
− 0.2V or V
IN
< 0.2V
8
μA
t
CDR
[7]
Chip Deselect to Data
Retention Time
Retention Time
0
ns
t
R
Operation Recovery Time
t
RC
ns
Figure 3. Data Retention Waveform
3V
V
CC
OUTPUT
R2
100 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
Rise Time = 1 V/ns
Fall Time = 1 V/ns
OUTPUT
V
Equivalent to: THÉVENIN EQUIVALENT
ALL INPUT PULSES
R
TH
R1
Notes
7. Tested initially and after any design or process changes that may affect these parameters.
8. Full device operation requires linear V
8. Full device operation requires linear V
CC
ramp from V
DR
to V
CC
(min) > 100
μs or stable at V
CC
(min) > 100
μs.
V
CC
(min)
V
CC
(min)
t
CDR
V
DR
> 2.0 V
DATA RETENTION MODE
t
R
CE
1
V
CC
CE
2
or