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CY7C1049GN30 Datasheet(PDF) 8 Page - Cypress Semiconductor

Part # CY7C1049GN30
Description  4-Mbit (512K words 횞 8 bit) Static RAM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C1049GN30 Datasheet(HTML) 8 Page - Cypress Semiconductor

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CY7C1049GN
Document Number: 002-10613 Rev. *A
Page 8 of 18
Data Retention Characteristics
Over the operating range of –40
C to 85 C
Parameter
Description
Conditions
Min
Max
Unit
VDR
VCC for data retention
1
V
ICCDR
Data retention current
VCC = 1.2 V, CE > VCC – 0.2 V[9],
VIN > VCC – 0.2 V, or VIN < 0.2 V
–8
mA
tCDR[10]
Chip deselect to data retention
time
0–
ns
tR[9, 10]
Operation recovery time
VCC > 2.2 V
10
ns
VCC < 2.2 V
15
ns
Data Retention Waveform
Figure 4. Data Retention Waveform [9]
tCDR
tR
VDR = 1.0 V
DATA RETENTION MODE
VCC(min)
VCC(min)
VCC
CE
Notes
9. Full-device operation requires linear VCC ramp from VDR to VCC(min) > 100 s or stable at VCC (min) > 100 s.
10. These parameters are guaranteed by design.


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