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CY62256LL-55ZE Datasheet(PDF) 4 Page - Cypress Semiconductor

Part No. CY62256LL-55ZE
Description  256K (32K x 8) Static RAM
Download  14 Pages
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY62256LL-55ZE Datasheet(HTML) 4 Page - Cypress Semiconductor

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CY62256
Document #: 38-05248 Rev. *F
Page 4 of 14
AC Test Loads and Waveforms
Data Retention Characteristics
Parameter
Description
Conditions[6]
Min.
Typ.[2]
Max.
Unit
VDR
VCC for Data Retention
2.0
V
ICCDR
Data Retention Current
L
VCC = 2.0V, CE > VCC − 0.3V,
VIN > VCC − 0.3V, or VIN < 0.3V
250
µA
LL - Com’l
0.1
5
µA
LL - Ind’l
0.1
10
µA
LL - Auto
0.1
10
µA
tCDR
[5]
Chip Deselect to Data Retention Time
0
ns
tR
[5]
Operation Recovery Time
tRC
ns
Data Retention Waveform
Note:
6. No input may exceed VCC + 0.5V.
3.0V
5V
OUTPUT
R1 1800
R2
990
100 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
<5 ns
<5 ns
5V
OUTPUT
R1 1800
R2
990
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
1.77V
Equivalent to:
THEVENIN EQUIVALENT
ALL INPUT PULSES
639
VCC(min)
VCC(min)
tCDR
VDR > 2V
DATA RETENTION MODE
tR
CE
VCC
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