CDP1822 데이터 시트보기 (PDF) - Intersil
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CDP1822 Datasheet PDF : 8 Pages
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CDP1822, CDP1822C
Dynamic Electrical Specifications At TA + -40 to +85oC, VDD ±5%, Input tR, tF = 20ns, VIH = 0.7 VDD, VIL = 0.3 VDD,
CL = 100 pF. (Continued)
TEST
CONDITIONS
CD1822
LIMITS
CDP1822C
PARAMETER
VDD
(V)
(NOTE 1) (NOTE 2)
(NOTE 1) (NOTE 2)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Chip-Select 1 Hold
tCS1H
5
10
0
-
-
0
0
-
-
0
-
-
ns
-
-
ns
Chip-Select 2 Hold
tCS2H
5
10
0
-
-
0
0
-
-
0
-
-
ns
-
-
ns
Output Disable Set-Up
tODS
5
200
-
-
200
-
-
ns
10
110
-
-
-
-
-
ns
NOTES:
1. Time required by a limit device to allow for indicated function.
2. Typical values are for TA = 25oC and nominal VDD.
A0-A7
CHIP-SELECT 1
tCSIS
tWC
tWR
tCSIH
CHIP-SELECT 2
OUTPUT DISABLE
DI1-DI4
tCS2S
tCS2H
(NOTE)
tODS
tDS
tDH
DATA IN STABLE
READ/WRITE
tWRW
tAS
DON’T CARE
NOTE: tODS is required for common I/O operation only. For separate I/O operations, output disable is don’t care.
FIGURE 2. WRITE CYCLE TIME WAVEFORMS
6-15
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