ADSP-2187LBSTZ-210 Analog Devices Inc, ADSP-2187LBSTZ-210 Datasheet - Page 32

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ADSP-2187LBSTZ-210

Manufacturer Part Number
ADSP-2187LBSTZ-210
Description
IC,DSP,16-BIT,CMOS,QFP,100PIN,PLASTIC
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet

Specifications of ADSP-2187LBSTZ-210

Interface
Host Interface, Serial Port
Clock Rate
52MHz
Non-volatile Memory
External
On-chip Ram
160kB
Voltage - I/o
3.30V
Voltage - Core
3.30V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADSP-2187LBSTZ210
ADSP-2187LBSTZ210

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Manufacturer
Quantity
Price
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Manufacturer:
ANALOG
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Manufacturer:
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ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
IDMA Write, Long Write Cycle
Table 22. IDMA Write, Long Write Cycle
1
2
3
4
5
Parameter
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
Start of Write = IS Low and IWR Low.
If Write Pulse ends before IACK Low, use specifications t
If Write Pulse ends after IACK Low, use specifications t
This is the earliest time for IACK Low from Start of Write. For IDMA Write cycle relationships, please refer to the ADSP-2100 Family User’s Manual.
For the ADSP-2185L, and the ADSP-2187L, this specification is 4 ns min., and 15 ns max.
IKW
IKSU
IKH
IKLW
IKHW
IACK Low Before Start of Write
IAD15–0 Data Setup Before End of Write
IAD15–0 Data Hold After End of Write
Start of Write to IACK Low
Start of Write to IACK High
IAD15–0
IACK
IWR
IS
4
5
IKSU
1
IDSU
, t
t
IK W
, t
IKH
Figure 24. IDMA Write, Long Write Cycle
Rev. C | Page 32 of 48 | January 2008
IDH
.
.
2, 3, 4
2, 3, 4
t
IKH W
t
IKSU
t
IK LW
DATA
t
IK H
Min
0
0.5t
2
1.5t
CK
CK
+ 10
Max
17
Unit
ns
ns
ns
ns
ns

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