參數(shù)資料
型號(hào): 73S1217F-68MR/F/PE
廠商: Maxim Integrated Products
文件頁數(shù): 23/140頁
文件大?。?/td> 0K
描述: IC SOC SMART CARD READER 68QFN
標(biāo)準(zhǔn)包裝: 2,500
系列: *
DS_1217F_002
73S1217F Data Sheet
3.6 USB Interface Requirements
Parameter
Condition
Min
Typ.
Max
Unit
Receiver Parameters
Differential input sensitivity
VDI
|(DP)-(DM)|
0.2
V
Differential common mode
range
VCM
Includes VDI range
0.8
2.5
V
Single ended receiver
threshold
VSE
0.8
2.0
V
Transmitter Levels
Low Level Output Voltage
VOL
USBCon = 1 (DP
pullup enabled)
0.3
V
High Level Output Voltage
VOH
15K resistor to
ground
VDD – 0.1V
VDD
V
Output Resistance (1)
Driver output resistance
ZDRV
Steady state drive
1
28
44
PD Pullup Resistor (to VDD)
Zpu
USBCon = 1
1.2
1.5
1.8
k
Transceiver Power Requirements
Operating supply
current(output)
IPSO
Outputs enabled
5
mA
Operating supply current
(input)
IPSI
Outputs Hi-Z
1
mA
Supply current in powerdown IPDN
10
nA
Supply current in suspend.
IPSS
10
nA
1 External source (series) termination resistors of 24 must be included on circuit board.
Rev. 1.2
119
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