參數(shù)資料
型號: X68257SM
英文描述: E2 Micro-Peripheral
中文描述: E2微型外設(shè)
文件頁數(shù): 9/14頁
文件大小: 70K
代理商: X68257SM
X68257
9
E Controlled Write Cycle
Symbol
Parameter
Min.
Max.
Units
PW
ASH
t
ASL
t
AHL
t
DSW
t
DHW
t
CSL
PW
EH
t
WC
t
ES
t
RWS
t
EH
t
BLC
Address Strobe Pulse Width
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
CE Setup Time
E Pulse Width
Write Cycle Time
Enable Setup Time
R/
W
Setup Time
E Hold Time
Byte Load Time (Page Write)
80
20
30
50
30
7
120
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
μ
s
6539 PGM T10
5
30
20
20
0.5
100
E Controlled Write Cycle
Note:
(4) t
WC
is the minimum cycle time to be allowed from the system perspective unless polling techniques are used. It is the maximum
time the device requires to automatically complete the internal write operation.
6539 FHD F06.2
6539 FHD F05.2
AS
A/D0–A/D7
A8–A14
R/W
AIN
DIN
PWASH
CE
tCSL
tASL
tAHL
A8–A14
tES
tDSW
tDHW
PWEH
tRWS
tEH
tEH
tEH
E
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