參數(shù)資料
型號: ADSP-2189
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(shù): 28/32頁
文件大?。?/td> 244K
代理商: ADSP-2189
REV. A
ADSP-2189M
28
Parameter
Min
Max
Unit
IDMA Read, Long Read Cycle
Timing Requirements
:
t
IKR
t
IRK
IACK
Low before Start of Read
1
End of Read after
IACK
Low
2
0
2
ns
ns
Switching Characteristics
:
t
IKHR
t
IKDS
t
IKDH
t
IKDD
t
IRDE
t
IRDV
t
IRDH1
t
IRDH2
IACK
High after Start of Read
1
IAD15
0 Data Setup before
IACK
Low
IAD15
0 Data Hold after End of Read
2
IAD15
0 Data Disabled after End of Read
2
IAD15
0 Previous Data Enabled after Start of Read
IAD15
0 Previous Data Valid after Start of Read
IAD15
0 Previous Data Hold after Start of Read (DM/PM1)
3
IAD15
0 Previous Data Hold after Start of Read (PM2)
4
10
ns
ns
ns
ns
ns
ns
ns
ns
0.5t
CK
2
0
10
0
11
2t
CK
3
t
CK
5
NOTES
1
Start of Read =
IS
Low and
IRD
Low.
2
End of Read =
IS
High or
IRD
High.
3
DM read or first half of PM read.
4
Second half of PM read.
t
IRK
t
IKR
PREVIOUS
DATA
READ
DATA
t
IKHR
t
IKDS
t
IRDV
t
IRDH
t
IKDD
t
IRDE
t
IKDH
IAD15
0
IACK
IS
IRD
Figure 31. IDMA Read, Long Read Cycle
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