參數(shù)資料
型號: AT43301-AU
廠商: ATMEL CORP
元件分類: 總線控制器
英文描述: Low-cost USB Hub Controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP32
封裝: 7 X 7 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, GREEN, PLASTIC, MS-026BBA, LQFP-32
文件頁數(shù): 13/27頁
文件大?。?/td> 206K
代理商: AT43301-AU
13
1137J–USB–01/06
AT43301
Note:
OSC2 must not be used to drive other circuitry.
3.3
AC Characteristics
Note:
1. With external 22
series resistor.
Table 3-3.
PWR, STAT, OVC
Symbol
Parameter
Condition
Min
Max
Unit
V
OL2
Output Low Level, PWR, STAT
I
OL
= 4 mA
0.5
V
C
OUT
Output Capacitance
1 MHz
10
pF
V
IL3
Input Low Level
0.3V
CEXT
V
V
IH3
Input High Level
0.7V
CEXT
V
C
OUT
Output Capacitance
1 MHz
10
pF
V
OH2
Output High Level, PWR
I
OH
= 4 mA
V
CEXT
- 0.5
V
Table 3-4.
Oscillator Signals: OSC1, OSC2
Symbol
Parameter
Condition
Min
Max
Unit
V
LH
OSC1 Switching Level
0.47
1.20
V
V
HL
OSC1 Switching Level
0.67
1.44
V
C
X1
Input Capacitance, OSC1
17
pF
C
X2
Output Capacitance, OSC2
17
pF
C
12
OSC1/2 Capacitance
1
pF
tsu
Start-up Time
6 MHz, fundamental
2
ms
D
L
Drive Level
V
CC
= 3.3V, 6 MHz crystal, 100
equiv series resistor
150
μW
Table 3-5.
DPx, DMx Driver Characteristics, Full Speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
t
R
Rise Time
C
L
= 50 pF
4
20
ns
t
F
Fall Time
C
L
= 50 pF
4
20
ns
t
RFM
t
R
/t
F
Matching
Driver Output Resistance
(1)
90
110
%
Z
DRV
Steady state drive
28
44
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