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CDP1824CD Datasheet(PDF) 5 Page - Intersil Corporation

Part # CDP1824CD
Description  32-Word x 8-Bit Static RAM
PDF  6 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CDP1824CD Datasheet(HTML) 5 Page - Intersil Corporation

  CDP1824CD Datasheet HTML 1Page - Intersil Corporation CDP1824CD Datasheet HTML 2Page - Intersil Corporation CDP1824CD Datasheet HTML 3Page - Intersil Corporation CDP1824CD Datasheet HTML 4Page - Intersil Corporation CDP1824CD Datasheet HTML 5Page - Intersil Corporation CDP1824CD Datasheet HTML 6Page - Intersil Corporation  
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Data Retention Specifications at TA = -40oC to +85oC; See Figure 3
PARAMETER
SYMBOL
TEST CONDITIONS
LIMITS
UNITS
VDD
(V)
CDP1824
CDP1824C
MIN
MAX
MIN
MAX
Data Retention Voltage
VDR
-
2.5
-
2.5
-
V
Data Retention Quiescent Current
IDD
VDR = 2.5V
-
-
10
-
40
µA
Chip Deselect to Data Retention
Time
tCDR
VDR = 2.5V
5
600
-
600
-
ns
10
300
-
-
-
ns
Recovery to Normal Operation Time
tRC
VDR = 2.5V
5
600
-
600
-
ns
10
300
-
-
-
ns
FIGURE 4. FUNCTIONAL DIAGRAM
FIGURE 5. CDP1824 (128 X 8) MINIMUM SYSTEM (128 X 8)
MA4
MA3
MA2
MA1
MA0
MWR
CS
VDD = 18
VSS = 9
BUS
7
BUS
6
BUS
5
BUS
4
BUS
3
BUS
2
BUS
1
BUS
0
MRD
16
5
4
3
21
17
15
6
7
8
10
11
12
13
14
ADDRESS
DECODER
32 X 8-BIT
ARRAY
SENSE
AMPL
I/O BUFFERS
ADDRESS
CPU/ROM SYSTEM
RAM SYSTEM
MA0-MA7
MA0-MA7
MA0-MA7
MRD
MWR
CS
CE0
MRD
TPA
BUS0-BUS7
BUS0-BUS7
BUS0-BUS7
TPA
MRD
MWR
DATA
ROM
CPU
CDP1802
RAM
CDP1824
CDP1824, CDP1824C



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