參數(shù)資料
型號(hào): DSP1627
英文描述: TVS 400W 6.5V BIDIRECT SMA
中文描述: DSP1627數(shù)字信號(hào)處理器
文件頁數(shù): 106/154頁
文件大?。?/td> 2365K
代理商: DSP1627
Data Sheet
March 2000
DSP1627 Digital Signal Processor
106
Lucent Technologies Inc.
11 Timing Characteristics for 3.0 V Operation
(continued)
*
W = number of wait-states.
Figure 43. External Memory Data Read Timing Diagram
Table 120. Timing Characteristics for External Memory Access
Abbreviated Reference
t127
t128
Parameter
Min
Max
2
Unit
ns
ns
Enable Width (low to high)
Address Valid (enable low to valid)
T(1 + W) – 1.5
Table 121. Timing Requirements for External Memory Read (EROM, ERAMHI, IO, ERAMLO)
Abbreviated Reference
Parameter
10 ns
Unit
Min
13
0
Max
t129
t130
t150
Read Data Setup (valid to enable high)
Read Data Hold (enable high to hold)
External Memory Access Time (valid to valid)
ns
ns
ns
T(1 + W) – 13
V
IH
V
IL
DB
CKO
ABV
OH
V
OL
t128
READ ADDRESS
ENABLEV
OH
V
OL
V
OH
V
OL
(MWAIT = 0 x 2222)
W* = 2
t127
t129
t130
READ DATA
t150
5-4021 (F).a
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