cdp1822 Intersil Corporation, cdp1822 Datasheet - Page 6

• Manufacturer Part Number: cdp1822
• Description: 256-word X 4-bit Lsi Static Ram
• Manufacturer: Intersil Corporation

Data Retention Specifications
NOTE: Typical values are for T
Min. Data Retention Voltage
Data Retention Quiescent
Current
Chip Deselect to Data Retention
Time
Recovery to Normal Operation
Time
V
FIGURE 3. LOW V
DD
V
C
DD
t
V
CDR
S2
IH
to VDR Rise and Fall Time
V
IL
PARAMETER
0.95 V
DD
DD
DATA RETENTION TIME WAVEFORMS
t
DATA RETENTION
f
A
MODE
V
= 25
DR
V
I
t
t
t
o
DD
CDR
RC
R,
DR
C and nominal V
t
F
0.95 V
t
At T
r
A
TEST CONDITIONS
DD
= -40 to +85
V
(V)
DR
2
2
-
-
-
-
-
CDP1822, CDP1822C
DD
.
V
o
IL
V
C, see Figure 3.
t
V
RC
IH
(V)
10
10
DD
5
5
5
-
-
6-16
MIN
600
300
600
300
1
-
-
CDP1822
(NOTE 1)
TYP
FIGURE 4. MEMORY CELL CONFIGURATION
ADDRESS
DECODER
1.5
30
-
-
-
-
-
WRITE
MAX
100
2
-
-
-
-
-
LIMITS
MIN
600
600
1
-
-
-
-
V
V
DD
DD
(NOTE 1)
CDP1822C
V
SS
TYP
1.5
30
-
-
-
-
-
DECODER
ADDRESS
MAX
100
READ
2
-
-
-
-
-
UNITS
ns
ns
ns
ns
V
A
A