SN74AVC2T872_1 Datasheet, PDF (2/18 Pages) Texas Instruments – VOLTAGE-LEVEL SHIFTER FOR IC-USB INTERFACE

SN74AVC2T872
SCES710 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com
TYPICAL APPLICATION BLOCK DIAGRAM
1.8 V
3V
Host
Application
Processor
D+
D–
TX_EN
PD_EN
A-Port
V_CCA
V_CCB
D+(A)
D+(B)
D–(A)
D–(B)
DIR
GND
PD_EN
DIR_POL
SN74AVC2T872
DIR_POL
DIR
V_CCA
LOGIC DIAGRAM
IEC ESD
Protection
D+
D–
HD Sim Card
B-Port
V_CCB
D+(A)
PD_EN
D–(A)
D+(B)
R_pd(+) _{120 kΩ}
V_CCB
Power-Down
Control
D–(B)
R_pd(–) _{120 kΩ}
2
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