參數(shù)資料
型號: 80931HA
廠商: Intel Corp.
英文描述: Universal Serial Bus Peripheral Controller(通用串行總線HUB外設(shè)微控制器)
中文描述: 通用串行總線外設(shè)控制器(通用串行總線集線器外設(shè)微控制器)
文件頁數(shù): 23/26頁
文件大小: 195K
代理商: 80931HA
8x931AA, 8x931HA USB Peripheral Controller
Advance Information Datasheet
23
5.6
External Clock Drive
5.7
Testing Waveforms
Figure 10. External Clock Drive Waveforms
Table 18. External Clock Drive
Symbol
Parameter
Min
Max
Units
1/T
OSC
Oscillator Frequency (F
OSC
)
6
12
MHz
T
CHCX
High Time
20
ns
T
CLCX
Low Time
20
ns
T
CLCH
Rise Time
20
ns
T
CHCL
Fall Time
20
ns
Figure 11. AC Testing Input, Output Waveforms
0.7 V
CC
A4119-01
0.45 V
V
CC
– 0.5
0.2 V
CC
– 0.1
T
CHCL
T
CLCX
T
CLCL
T
CLCH
T
CHCX
AC inputs during testing are driven at V
CC
– 0.5V for a logic 1
and 0.45 V for a logic 0. Timing measurements are made at
a min of V
IH
for a logic 1 and V
OL
for a logic 0.
0.45 V
Inputs
Outputs
A4118-01
V
IH MIN
V
OL MAX
V
CC
– 0.5
0.2 V
CC
+ 0.9
0.2 V
CC
– 0.1
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