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CDP1822CDX Datasheet(PDF) 6 Page - Intersil Corporation

Part # CDP1822CDX
Description  256-Word x 4-Bit LSI Static RAM
PDF  8 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CDP1822CDX Datasheet(HTML) 6 Page - Intersil Corporation

  CDP1822CDX Datasheet HTML 1Page - Intersil Corporation CDP1822CDX Datasheet HTML 2Page - Intersil Corporation CDP1822CDX Datasheet HTML 3Page - Intersil Corporation CDP1822CDX Datasheet HTML 4Page - Intersil Corporation CDP1822CDX Datasheet HTML 5Page - Intersil Corporation CDP1822CDX Datasheet HTML 6Page - Intersil Corporation CDP1822CDX Datasheet HTML 7Page - Intersil Corporation CDP1822CDX Datasheet HTML 8Page - Intersil Corporation  
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Data Retention Specifications At TA = -40 to +85oC, see Figure 3.
PARAMETER
TEST CONDITIONS
LIMITS
UNITS
CDP1822
CDP1822C
VDR
(V)
VDD
(V)
MIN
(NOTE 1)
TYP
MAX
MIN
(NOTE 1)
TYP
MAX
Min. Data Retention Voltage
VDR
-
-
-
1.5
2
-
1.5
2
V
Data Retention Quiescent
Current
IDD
2
-
-
30
100
-
30
100
µA
Chip Deselect to Data Retention
Time
tCDR
-
5
600
-
-
600
-
-
ns
-
10
300
--
--
-
ns
Recovery to Normal Operation
Time
tRC
-
5
600
-
-
600
-
-
ns
-
10
300
--
--
-
ns
VDD to VDR Rise and Fall Time
tR, tF
25
1
-
-
1
-
-
µA
NOTE: Typical values are for TA = 25
oC and nominal V
DD.
FIGURE 3. LOW VDD DATA RETENTION TIME WAVEFORMS
FIGURE 4. MEMORY CELL CONFIGURATION
0.95 VDD
VDD
tCDR
CS2
VIH
VIL
tRC
VIH
VIL
0.95 VDD
VDR
DATA RETENTION
MODE
tf
tr
WRITE
ADDRESS
DECODER
READ
ADDRESS
DECODER
VSS
VDD
VDD
CDP1822, CDP1822C



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