參數(shù)資料
型號(hào): ADSP-2183
廠商: Analog Devices, Inc.
英文描述: LM2941/LM2941C 1A Low Dropout Adjustable Regulator; ; Container: Tray
中文描述: DSP的微機(jī)
文件頁數(shù): 17/31頁
文件大?。?/td> 252K
代理商: ADSP-2183
ADSP-2183
–17–
REV. C
Parameter
Min
Max
Unit
Memory Write
Switching Characteristics
:
t
DW
t
DH
t
WP
t
WDE
t
ASW
t
DDR
t
CWR
t
AW
t
WRA
t
WWR
Data Setup before
WR
High
Data Hold after
WR
High
WR
Pulsewidth
WR
Low to Data Enabled
A0–A13,
xMS
Setup before
WR
Low
Data Disable before
WR
or
RD
Low
CLKOUT High to
WR
Low
A0–A13,
xMS
, Setup before
WR
Deasserted
A0–A13,
xMS
Hold after
WR
Deasserted
WR
High to
RD
or
WR
Low
0.5t
CK
– 7 + w
0.25t
CK
– 2
0.5t
CK
– 5 + w
0
0.25t
CK
– 4
0.25t
CK
– 4
0.25t
CK
– 2
0.75t
CK
– 9 + w
0.25t
CK
– 3
0.5t
CK
– 5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0.25 t
CK
+ 7
w = wait states
×
t
CK
.
xMS
=
PMS
,
DMS
,
CMS
,
IOMS
,
BMS
.
CLKOUT
A0
A13
D
t
WP
t
AW
t
CWR
t
DH
t
WDE
t
DW
t
ASW
t
WWR
t
WRA
t
DDR
DMS
,
PMS
,
BMS
,
CMS
,
IOMS
RD
WR
Figure 12. Memory Write
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