cdp1822 Intersil Corporation, cdp1822 Datasheet - Page 5

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

Dynamic Electrical Specifications
NOTES:
NOTE: t
Chip-Select 1 Hold
Chip-Select 2 Hold
Output Disable Set-Up
1. Time required by a limit device to allow for indicated function.
2. Typical values are for T
ODS
PARAMETER
is required for common I/O operation only. For separate I/O operations, output disable is don’t care.
OUTPUT DISABLE
CHIP-SELECT 1
CHIP-SELECT 2
READ/WRITE
DI1-DI4
A
A0-A7
= 25
t
t
t
CS1H
CS2H
ODS
o
C and nominal V
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CONDITIONS
TEST
FIGURE 2. WRITE CYCLE TIME WAVEFORMS
V
(V)
10
10
10
DD
5
5
5
At T
C
L
= 100 pF. (Continued)
A
DD
CDP1822, CDP1822C
+ -40 to +85
t
.
AS
(NOTE 1)
t
(NOTE)
CSIS
t
ODS
MIN
200
110
0
0
0
0
DON’T CARE
o
C, V
6-15
CD1822
(NOTE 2)
t
CS2S
DD
TYP
-
-
-
-
-
-
5%, Input t
t
WC
DATA IN STABLE
t
WRW
MAX
t
-
-
-
-
-
-
DS
R
, t
LIMITS
t
F
t
CS2H
CSIH
= 20ns, V
(NOTE 1)
MIN
200
0
0
0
0
-
IH
CDP1822C
= 0.7 V
t
WR
(NOTE 2)
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TYP
-
-
-
-
-
-
t
DH
DD
, V
IL
= 0.3 V
MAX
-
-
-
-
-
-
DD
,
UNITS
ns
ns
ns
ns
ns
ns