Datasheet
DS_1215F_003  73S1215F Data Sheet 
Rev. 1.4    115 
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. 










