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SSD1818 Series
Rev 1.2
08/2002
SOLOMON
35
Symbol
Parameter
Min
Typ
Max
Unit
tcycle
Clock Cycle Time
300
-
-
ns
tAS
Address Setup Time
0
-
-
ns
tAH
Address Hold Time
0
-
-
ns
tDSW
Write Data Setup Time
40
-
-
ns
tDHW
Write Data Hold Time
15
-
-
ns
tDHR
Read Data Hold Time
20
-
-
ns
tOH
Output Disable Time
-
-
70
ns
tACC
Access Time
-
-
140
ns
PWCSL
Chip Select Low Pulse Width (read)
Chip Select Low Pulse Width (write)
120
60
-
-
-
-
ns
PWCSH
Chip Select High Pulse Width (read)
Chip Select High Pulse Width (write)
60
60
-
-
-
-
ns
tR
Rise Time
-
-
15
ns
tF
Fall Time
-
-
15
ns
Table 13 - Interface Timing Characteristics (VDD - VSS = 2.4 to 3.5V, TA = -35 to 85°C)
t
OH
t
DHR
t
ACC
Valid Data
Valid Data
t
DSW
t
DHW
t
R
t
F
PW
CSL
PW
CSH
t
cycle
t
AH
t
AS
D
0-D7
(Read data from driver)
D
0-D7
(Write data to driver)
WR
RD
CS1
CS2 = 1
D/C
Figure 10 - 8080-series MPU Parallel Interface Characteristics
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