參數(shù)資料
型號(hào): ADSP-21160NCB-TBD
廠商: Analog Devices, Inc.
元件分類: 基準(zhǔn)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(wú)電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護(hù)
文件頁(yè)數(shù): 31/53頁(yè)
文件大?。?/td> 1680K
代理商: ADSP-21160NCB-TBD
PRELIMINARY TECHNICAL DATA
This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog
Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
31
REV. PrB
For current information contact Analog Devices at 800/262-5643
ADSP-21160N
April 2002
Multiprocessor Bus Request and Host Bus Request
Use these specifications for passing of bus mastership between multiprocessing ADSP-21160Ns (
BRx
) or a host processor
(
HBR
,
HBG
).
Table 14. Multiprocessor Bus Request and Host Bus Request
Parameter
Timing Requirements:
t
HBGRCSV
Min
Max
Unit
HBG
Low to
RDx
/
WRx
/
CS
Valid
6.5 + t
CK
+ t
CCLK
-
12.5CR
ns
t
SHBRI
t
HHBRI
t
SHBGI
t
HHBGI
t
SBRI
t
HBRI
t
SRPBAI
t
HRPBAI
Switching Characteristics:
t
DHBGO
t
HHBGO
t
DBRO
t
HBRO
t
DPASO
t
TRPAS
t
DPAMO
t
PATR
t
DRDYCS
t
TRDYHG
t
ARDYTR
HBR
Setup Before CLKIN
1
HBR
Hold After CLKIN
1
HBG
Setup Before CLKIN
HBG
Hold After CLKIN High
BRx
,
PA
Setup Before CLKIN
BRx
,
PA
Hold After CLKIN High
RPBA Setup Before CLKIN
RPBA Hold After CLKIN
1
Only required for recognition in the current cycle.
2
(O/D) = open drain, (A/D) = active drive.
6
1
6
1
9
1
6
2
ns
ns
ns
ns
ns
ns
ns
ns
HBG
Delay After CLKIN
HBG
Hold After CLKIN
BRx
Delay After CLKIN
BRx
Hold After CLKIN
PA
Delay After CLKIN, Slave
PA
Disable After CLKIN, Slave
PA
Delay After CLKIN, Master
PA
Disable Before CLKIN, Master
REDY (O/D) or (A/D) Low from
CS
and
HBR
Low
2
REDY (O/D) Disable or REDY (A/D) High from
HBG
2
REDY (A/D) Disable from CS or HBR High
2
7
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2
8
1.5
8
1.5
0.25t
CCLK
+9
0.25t
CCLK
–5
0.5t
CK
t
CK
+20
11
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