參數(shù)資料
型號(hào): 82802AB
廠商: Intel Corp.
英文描述: Firmware Hub (FWH)
中文描述: 固件集線器(固件樞紐)
文件頁數(shù): 38/53頁
文件大?。?/td> 471K
代理商: 82802AB
Intel
82802AB/AC Firmware Hub
R
38
Datasheet
5.2.3.2.
Signal Timing Parameters
Table 12.
Signal Timing Parameters
Symbol
PCI
Symbol
Parameter
Condition
Min.
Max.
Units
Notes
TCHQV
t
val
CLK to data out
2
11
ns
1
TCHQX
t
on
CLK to active (float to active delay)
2
ns
2
TCHQZ
t
off
CLK to inactive (active to float delay)
28
ns
2
TAVCH
TDVCH
t
su
Input setup time
7
ns
3
TCHAX
TCHDX
t
h
Input hold time
0
ns
3
TVSPL
t
rst
Reset active time after power stable
1
ms
TCSPL
t
rst-clk
Reset active time after CLK stable
100
μ
s
TPLQZ
t
rst-off
Reset active to output float delay
48
ns
2
Note:
1. Minimum and maximum times have different loads. See PCI spec.
2. For purposes of active/float timing measurements, the Hi-Z or Off state is defined as that in which
the total current delivered through the component pin is less than or equal to the leakage current
specification.
3. This parameter applies to any input type (excluding CLK).
Figure 8.
Output Timing Parameters
T_off
T_val
V_test
T_on
V_th
V_tl
CLK
FWH[3:0]
(Valid Output Data)
FWH[3:0]
(Float Output Data)
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