Datasheet

94
9.4 Electrical Characteristics Over Recommended Ranges of Operating Conditions
(unless otherwise noted)
9.4.1 Device
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
S l t(it l lt lt bld
See Note 4 158
I
DD
Supply current (internal voltage regulator enabled,
REG EN = L)
See Note 5 128
mA
I
DD
REG
_
EN
=
L)
See Note 6 69.8
mA
I
DD(ULP)
Supply currentultralow power mode (internal voltage
regulator enabled, REG_EN = L)
Ports disabled
V
DD
= 1.8 V (internal)
T
A
= 25°C
3 mA
I
DD(ULP)
Supply currentultralow power mode (internal voltage
regulator disabled, REG_EN = H, REG18 = 1.8 V)
Ports disabled
V
DD
= 1.8 V (external)
T
A
= 25°C
50 µA
V
TH
Power status threshold, CPS input
400-k resistor
4.7 7.5 V
V
O
TPBIAS output voltage At rated I
O
current 1.665 2.015 V
I
I
Input current (PC0PC2 inputs) V
DD
= 3.6 V 5 µA
I
Pullup current (G RST input)
V
I
= 1.5 V 90 20
A
I
IRST
Pullup current (G_RST input)
V
I
= 0 V 90 20
µA
Measured at cable power side of resistor.
NOTES: 4. Transmit data (transmit on all ports full isochronous payload of 84 µs, S400, data value of CCCC CCCCh).
5. Repeat data (receive on one port, transmit on other two ports, full isochronous payload of 84 µs, S400, data value of CCCC CCCCh),
V
DD
= 3.3 V, T
A
= 25°C
6. Idle (receive cycle start on one port, transmit cycle start on other two ports), V
DD
= 3.3 V, T
A
= 25°C
9.4.2 Driver
PARAMETER TEST CONDITIONS MIN MAX UNIT
V
OD
Differential output voltage 56 , see Figure 91 172 265 mV
I
DIFF
Driver difference current, TPA+, TPA, TPB+, TPB Drivers enabled, speed signaling off 1.05
1.05
mA
I
SP200
Common-mode speed signaling current, TPB+, TPB S200 speed signaling enabled 4.84
§
2.53
§
mA
I
SP400
Common-mode speed signaling current, TPB+, TPB S400 speed signaling enabled 12.4
§
8.10
§
mA
V
OFF
Off state differential voltage Drivers disabled, see Figure 91 20 mV
Limits defined as algebraic sum of TPA+ and TPA driver currents. Limits also apply to TPB+ and TPB algebraic sum of driver currents.
§
Limits defined as absolute limit of each of TPB+ and TPB driver currents.
TPAx+
TPBx+
TPAx
TPBx
56
Figure 91. Test Load Diagram