Document Number: 38-08008 Rev. *H Page 25 of 39
DC Characteristics
USB Host Transceiver Characteristics
Every V
DD
pin, including USB V
DD
, must have a decoupling capacitor to ensure clean V
DD
(free of high frequency noise) at the chip
input point (pin) itself.
The best way to do this is to connect a ceramic capacitor (0.1 F, 6 V) between the pin itself and a good ground. Keep capacitor leads
as short as possible. Use surface mount capacitors with the shortest traces possible (the use of a ground plane is strongly recom-
mended).
This product was tested as compliant to the USB-IF specification under the test identification number (TID) of 40000689 and is listed
on the USB-IF’s integrators list.
Parameter Description Min Typ Max
V
IL
Input Voltage LOW –0.3 V 0.8 V
V
IH
Input Voltage HIGH (5 V Tolerant I/O) 2.0 V 6.0 V
V
OL
Output Voltage LOW (I
OL
= 4 mA) 0.4 V
V
OH
Output Voltage HIGH (I
OH
= –4 mA) 2.4 V
I
OH
Output Current HIGH 4 mA
I
OL
Output Current LOW 4 mA
I
LL
Input Leakage ±1 A
C
IN
Input Capacitance 10 pF
I
CC
[17]
Supply Current (V
DD
) inc USB at FS 21 mA 25 mA
I
CCsus1
[18]
Supply Current (V
DD
) Suspend w/Clk & Pll Enb 4.2 mA 5 mA
I
CCsus2
[19]
Supply Current (V
DD
) Suspend no Clk & Pll Dis 50 A 60 A
I
USB
Supply Current (V
DD1
) 10 mA
I
USBSUS
Transceiver Supply Current in Suspend 10 A
Parameter Description Min Typ
[20]
Max
V
IHYS
Differential
Input Sensitivity (Data+, Data–)
0.2 V 200 mV
V
USBIH
USB Input Voltage HIGH Driven 2.0 V
V
USBIL
USB Input Voltage LOW 0.8 V
V
USBOH
USB Output Voltage HIGH 2.0 V
V
USBOL
USB Output Voltage LOW 0.0 V 0.3 V
Z
USBH
[21]
Output Impedance HIGH STATE 36 Ohms 42 Ohms
Z
USBL
[21]
Output Impedance LOW STATE 36 Ohms 42 Ohms
I
USB
Transceiver Supply p-p Current (3.3 V) 10 mA
at FS
Notes
17. I
CC
measurement includes USB Transceiver current (I
USB
) operating at full speed.
18. I
CCsus1
measured with 12 MHz Clock Input and Internal PLL enabled. Suspend set –(USB transceiver and internal Clocking disabled).
19. I
CCsus2
measured with external Clock, PLL disabled, and Suspend set. For absolute minimum current consumption, ensure that all inputs to the device are at
static logic level.
20. All typical values are V
DD
= 3.3 V and T
AMB
= 25°C.
21. Z
USBX
impedance values includes an external resistor of 24 Ohms ± 1% (SL811HS revision 1.2 requires external resistor values of 33 Ohms ±1%).
