參數(shù)資料
型號: AM486DX2
廠商: Advanced Micro Devices, Inc.
英文描述: Am5X86⑩ Microprocessor Family
中文描述: Am5X86⑩微處理器家族
文件頁數(shù): 60/67頁
文件大小: 1613K
代理商: AM486DX2
60
Am5
X
86 Microprocessor
AMD
PRELIMINARY
Am5
X
86 Microprocessor AC Characteristics for
Boundary Scan Test Signals at 25 MHz
V
CC
= 3.3 V ±0.3 V; T
CASE
= 0°C to +85°C; C
L
= 50 pF unless otherwise specified
Preliminary Info
Min
Symbol
Parameter
Max
Unit
Figure
Notes
t
24
TCK Frequency
25
MHz
1x Clock
t
25
TCK Period
40
ns
45, 46
Note 1
t
26
TCK High Time at 2 V
10
ns
45
t
27
TCK Low Time at 0.8 V
10
ns
45
t
28
TCK Rise Time (0.8 V–2 V)
4
ns
45
Note 2
t
29
TCK Fall Time (2 V–0.8 V)
4
ns
45
Note 2
t
30
TDI, TMS Setup Time
8
ns
46
Note 3
t
31
TDI, TMS Hold Time
7
ns
46
Note 3
t
32
TDO Valid Delay
3
25
ns
46
Note 3
t
33
TDO Float Delay
36
ns
46
Note 3
t
34
All Outputs (Non-Test) Valid Delay
3
25
ns
46
Note 3
t
35
All Outputs (Non-Test) Float Delay
30
ns
46
Note 3
t
36
All Inputs (Non-Test) Setup Delay
8
ns
46
Note 3
t
37
All Inputs (Non-Test) Hold Time
7
ns
46
Note 3
Notes:
1. TCK period
CLK period.
2. Rise/Fall times can be relaxed by 1 ns per 10-ns increase in TCK period.
3. Parameter measured from TCK.
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