參數(shù)資料
型號(hào): INTEL486 GX
廠商: Intel Corp.
英文描述: Emedded Ultra-Low Power INTEL486 GX Processor(嵌入式超低能量處理器)
中文描述: Emedded超低功耗英特爾486 GX處理器(嵌入式超低能量處理器)
文件頁(yè)數(shù): 40/48頁(yè)
文件大小: 409K
代理商: INTEL486 GX
Embedded Ultra-Low Power Intel486 GX Processor
36
Table 20. AC Specifications for the Test Access Port
Symbol
Parameter
1.8 V
Vcc
<
3.0 V
Vcc = 3.3 ± 0.3 V
Unit
Figure
Notes
Min
Max
Min
Max
t
24
t
25
t
26
t
27
t
28
t
29
t
30
t
31
t
32
t
33
t
34
TCK Frequency
5
8
MHz
15
TCK Period
200
125
ns
15
Note 1
TCK High Time
65
40
ns
15
@ 2.0V
TCK Low Time
65
40
ns
15
@0.8V
TCK Rise Time
15
8
ns
15
Note 2
TCK Fall Time
15
8
ns
15
Note 2
TDI, TMS Setup Time
16
8
ns
16
Note 3
TDI, TMS Hold Time
20
10
ns
16
Note 3
TDO Valid Delay
3
46
3
30
ns
16
Note 3
TDO Float Delay
52
36
ns
16
Notes 3, 4
All Outputs (except
TDO) Valid Delay
3
80
3
30
ns
16
Note 3
t
35
All Outputs (except
TDO) Float Delay
88
36
ns
16
Notes 3, 4
t
36
All Inputs (except TDI,
TMS, TCK) Setup Time
16
8
ns
16
Note 3
t
37
All Inputs (except TDI,
TMS, TCK) Hold Time
35
15
ns
16
Note 3
NOTES:
1. TCK period
CLK period.
2. Rise/Fall Times are measured between 0.8 V and 2.0 V. Rise/Fall times can be relaxed by 1 ns per 10 ns increase in TCK
period.
3. Parameter measured from TCK.
4. Not 100% tested, guaranteed by design characterization.
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