12864A 查看數據表（PDF） - Unspecified
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12864A Datasheet PDF : 18 Pages
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7 TIMING CHARACTERISTICS
Item
Symbol Min Typ Max Unit
Enable Cycle Time
tCYCLE 1000
-
-
ns
Enable Pulse Width High Level PWEH 450
-
-
ns
Low Level PWEL 450
-
-
ns
Enable Rise & Fall Time
tER,tEF
-
-
25
ns
Address Set-Up Time
tAs
140
-
-
ns
Address Hold Time
tAH
10
-
-
ns
Data Set-Up Time
tDSW 200
-
-
ns
Data Delay Time
tDDR
--
-
320
ns
Data Hold Time(Write)
tDHW
10
-
-
ns
Data Hold Time(Read)
tDHW
20
-
-
ns
tCYCLE
E
PWEL
PWEH
tER
tEF
R/W
tAS
tAH
tAS
CS,D/I
DB0 – DB7
tDSW
tDHW
Write Timing Chart
Date : 2001/12/12
AMPIRE CO., LTD.
9
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