參數(shù)資料
型號: DSP1620
英文描述: TVS 400W 6.0V BIDIRECT SMA
中文描述: 澄清,串行I /設備的DSP1620/27/28/29 O控制注冊說明
文件頁數(shù): 105/114頁
文件大?。?/td> 804K
代理商: DSP1620
Preliminary Data Sheet
February 1997
DSP1628 Digital Signal Processor
103
Lucent Technologies Inc.
10 Timing Characteristics for 2.7 V Operation
(continued)
10.9 Serial I/O Specifications
* N = 16 or 8 bits.
Figure 29. SIO Passive Mode Input Timing Diagram
For multiprocessor mode, see note in Section 10.10.
Device is fully static; t70 is tested at 200 ns.
Table 96. Timing Requirements for Serial Inputs
Abbreviated Reference
t70
Parameter
Min
40
Max
Unit
ns
Clock Period (high to high)
t71
Clock Low Time (low to high)
Clock High Time (high to low)
Load High Setup (high to high)
Load Low Setup (low to high)
Load High Hold (high to invalid)
Data Setup (valid to high)
Data Hold (high to invalid)
18
ns
t72
t73
t74
t75
t77
t78
18
8
8
0
7
0
ns
ns
ns
ns
ns
ns
Table 97. Timing Characteristics for Serial Outputs
Abbreviated Reference
t79
Parameter
Min
Max
35
Unit
ns
IBF Delay (high to high)
IBF
V
OH
V
OL
DI
V
IH
V
IL
ILD
V
IH
V
IL
ICK
V
IH
V
IL
BN – 1*
B0
t77
t78
B0
B1
t79
t72
t71
t70
t75
t74
t75
t73
5-4777 (F)
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