參數資料
型號: ADSP-2186L
廠商: Analog Devices, Inc.
元件分類: 基準電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: 無電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護
文件頁數: 18/34頁
文件大?。?/td> 256K
代理商: ADSP-2186L
ADSP-2186L
TIMING PARAMETERS
–18–
REV. A
Parameter
Min
Max
Unit
Memory Read
Timing Requirements
:
t
RDD
t
AA
t
RDH
RD
Low to Data Valid
A0–A13,
xMS
to Data Valid
Data Hold from
RD
High
0.5 t
CK
– 9 + w
0.75 t
CK
– 12.5 + w
ns
ns
ns
1
Switching Characteristics
:
t
RP
t
CRD
t
ASR
t
RDA
t
RWR
RD
Pulsewidth
CLKOUT High to
RD
Low
A0–A13,
xMS
Setup before
RD
Low
A0–A13,
xMS
Hold after
RD
Deasserted
RD
High to
RD
or
WR
Low
0.5 t
CK
– 5 + w
0.25 t
CK
– 5
0.25 t
CK
– 6
0.25 t
CK
– 3
0.5 t
CK
– 5
ns
ns
ns
ns
ns
0.25 t
CK
+ 7
w = wait states
×
t
.
xMS
=
PMS
,
DMS
,
CMS
,
IOMS
,
BMS
.
CLKOUT
A0
A13
t
RDA
t
RWR
t
RP
t
ASR
t
CRD
t
RDD
t
AA
t
RDH
DMS, PMS,
BMS, IOMS,
CMS
RD
WR
D0
D23
Figure 14. Memory Read
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