參數(shù)資料
型號: MAX3301E
廠商: Maxim Integrated Products, Inc.
英文描述: CLAMP
中文描述: USB On-the-Go收發(fā)器與電荷泵
文件頁數(shù): 6/33頁
文件大小: 935K
代理商: MAX3301E
M
USB On-the-Go Transceiver and Charge Pump
6
_______________________________________________________________________________________
I
2
C-/SMBus- COMPATIBLE TIMING SPECIFICATIONS
(V
CC
= +3V to +4.5V, V
L
= +1.65V to +3.6V, C
FLYING
= 100nF, C
VBUS
= 1μF, ESR
CVBUS
= 0.1
(max), T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at V
CC
= +3.7V, V
L
= +2.5V, T
A
= +25°C.) (Note 2)
PARAMETER
SYM B O L
f
SCL
CONDITIONS
MIN
TYP
MAX
400
UNITS
kHz
Serial Clock Frequency
Bus-Free Time Between Stop and
Start Conditions
t
BUF
1.3
μs
Start-Condition Hold Time
Stop-Condition Setup Time
Clock Low Period
Clock High Period
Data Setup Time
Data Hold Time
t
HD_STA
t
SU_STO
t
LOW
t
HIGH
t
SU_DAT
t
HD_DAT
0.6
0.6
1.3
0.6
100
μs
μs
μs
μs
ns
μs
(Note 4)
0.9
Rise Time of SDA and SCL
t
R
(Note 5)
20 +
0.1 x
C
B
300
ns
Fall Time of SDA and SCL
t
F
Measured from 0.3 x V
L
to 0.7 x V
L
(Note 5)
300
ns
Capacitive Load for each Bus
Line
C
B
400
pF
SDA AND SCL I/O STAGE CHARACTERISTICS
Input-Voltage Low
V
IL
0.3 x
V
L
V
Input-Voltage High
V
IH
0.7 x
V
L
V
SDA Output-Voltage Low
Pulse Width of Suppressed Spike
V
OL
t
SP
I
SINK
= 3mA
(Note 6)
0.4
V
ns
50
Note 2:
Parameters are 100% production tested at +25
°
C. Limits over temperature are guaranteed by design.
Note 3:
Guaranteed by bench characterization. Limits are not production tested.
Note 4:
A master device must provide a hold time of at least 300ns for the SDA signal to bridge the undefined region of SCL’s falling
edge.
Note 5:
C
B
is the total capacitance of one bus line in pF, tested with C
B
= 400pF.
Note 6:
Input filters on SDA, SCL, and ADD suppress noise spikes of less than 50ns.
SMBus is a trademark of Intel Corporation.
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MAX3301EETI+ 制造商:Maxim Integrated Products 功能描述:USB ON-THE-GO TRANSCEIVERS AND CHARGE PUMPS - Rail/Tube
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