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Компоненты Описание
X68257 Просмотр технического описания (PDF) - Xicor -> Intersil
Номер в каталоге
Компоненты Описание
производитель
X68257
68XX Microcontroller Family Compatible E² Micro-Peripheral
Xicor -> Intersil
X68257 Datasheet PDF : 14 Pages
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X68257
WR
Controlled Write Cycle
Symbol
Parameter
t
LHLL
t
AVLL
t
LLAX
t
DVWH
t
WHDX
t
ELLL
t
WLWH
t
WRS
t
WRH
t
BLC
t
WC
(7)
ALE Pulse Width
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Chip Enable Setup Time
WR
Pulse Width
WR
Setup Time
WR
Hold Time
Byte Load Time (Page Write)
Write Cycle Time
WR
Controlled Write Timing Diagram
Min.
80
20
30
50
30
7
120
30
20
0.5
Max.
100
5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
µ
s
ms
6539 PGM T11
OPERATION
CE
BYTE 0
BYTE 1
BYTE 2
LAST BYTE
READ (1)(2)
AFTER tWC READY FOR
NEXT WRITE OPERATION
AS
A/D0–A/D7
A8–A14
AIN DIN
An
AIN DIN
An
AIN DIN
An
AIN DIN
An
AIN DIN
An
AIN
ADDR
AIN
Next Address
E
R/W
tBLC
tWC
6539 FHD F07.1
Note:
(7) 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.
10
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