參數(shù)資料
型號(hào): AT43312
廠商: Atmel Corp.
英文描述: Self- and Bus- Powered USB Hub Controller
中文描述: 自和總線供電的USB集線器控制器
文件頁(yè)數(shù): 18/21頁(yè)
文件大?。?/td> 157K
代理商: AT43312
AT43312
18
Note:
OSC2 must not be used to drive other circuitry.
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
9
pF
C
X2
Output capacitance, OSC2
9
pF
C
12
OSC1/2 capacitance
1
pF
t
su
Start-up time
6 MHz, fundamental
10
ms
D
L
Drive level
V
CC5
= 5V, 6 MHz crystal,
120
equiv series
resistor
5
mW
Comparator Signals: VREF, OVLx
Symbol
Parameter
Condition
Min
Max
Unit
V
OS
Input Offset voltage
-20
+20
mV
A
0
Open loop gain
80
dB
CM
IRL
Input CM range low
0
V
CM
IRH
Input CM range high
V
CC5
V
CM
RR
CM rejection ratio
1 KHz
92
dB
C
INR
Input capacitance, VREF
10
pF
C
INL
Input capacitance, all other
6
pF
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