參數(shù)資料
型號(hào): DSP1629
英文描述: TVS 400W 64V UNIDIRECT SMA
中文描述: DSP1629數(shù)字信號(hào)處理器
文件頁數(shù): 108/126頁
文件大小: 1993K
代理商: DSP1629
Data Sheet
March 2000
DSP1629 Digital Signal Processor
108
Lucent Technologies Inc.
11 Timing Characteristics for 2.7 V Operation
(continued)
*
W = number of wait-states.
Figure 45. External Memory Data Write Timing Diagram
Table 122. Timing Characteristics for External Memory Data Write (All Enables)
Abbreviated
Reference
Parameter
19.2 ns
Min
0
0
12.5 ns
Min
0
0
Unit
Max
0
Max
0
t131
t132
t133
t134
t135
t136
Write Overlap (enable
low to 3-state)
RWN Advance (RWN high to enable high)
RWN Delay (enable
low to RWN
low)
Write Data Setup (data valid to RWN high)
RWN Width (low to high)
Write Address Setup (address valid to RWN low)
ns
ns
ns
ns
ns
ns
T(1 + W)/2 – 4
T(1 + W) – 5
0
T(1 + W)/2 – 3
T(1 + W) – 4
0
ERAMLO
EROM
CKO
AB
RWN
DB
WRITE ADDRESS
READ ADDRESS
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
WRITE DATA
READ
W* = 1
t131
t132
t134
t133
t135
t136
(MWAIT = 0x1002)
W* = 2
V
OH
V
OL
5-4022 (F).a
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