Document Number: 001-76294 Rev. *F Page 15 of 21
DC Electrical Characteristics
DC GPIO Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V
and 0 °C <
T
A
< 70 °C, or 3.15 V to 3.5 V and 0 °C < T
A
< 70 °C, respectively. Typical parameters apply to 5 V and 3.3 V at 25 °C and
are for design guidance only.
DC Full-Speed USB Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges when the IMO is
selected as system clock: 4.75 V to 5.25 V and 0 °C <
T
A
< 70 °C, or 3.15 V to 3.5 V and 0 °C < T
A
< 70 °C, respectively. Typical
parameters apply to 5 V and 3.3 V at 25 °C and are for design guidance only.
DC Chip Level Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges when the IMO is
selected as system clock: 4.75 V to 5.25 V and 0 °C < T
A
< 70 °C, or 3.15 V to 3.5 V and 0 °C < T
A
< 70 °C, respectively. Typical
parameters apply to 5 V and 3.3 V at 25 °C and are for design guidance only.
Table 5. DC GPIO Specifications
Parameter Description Min Typ Max Unit Notes
V
OH
High output level V
DD
– 1.0 – – V I
OH
= 10 mA, V
DD
= 4.75 to 5.25 V
V
OL
Low output level – – 0.75 V I
OL
= 25 mA, V
DD
= 4.75 to 5.25 V
I
OH
High-level source current 10 – – mA –
I
OL
Low-level sink current 25 – – mA –
V
IL
Input low level – – 0.8 V V
DD
= 3.15 to 5.25 V
V
IH
Input high level 2.1 – V V
DD
= 3.15 to 5.25 V
Table 6. DC Full Speed (12 Mbps) USB Specifications
Parameter Description Min Typ Max Unit Notes
USB Interface
V
DI
Differential input sensitivity 0.2 – – V | (D+) – (D–) |
V
CM
Differential input common mode
range
0.8 – 2.5 V –
V
SE
Single-ended receiver threshold 0.8 – 2.0 V –
C
IN
Transceiver capacitance – – 20 pF –
I
IO
High Z state data line leakage –10 – 10 A0 V < V
IN
< 3.3 V.
R
EXT
External USB series resistor 23 – 25 In series with each USB pin.
V
UOH
Static output high, driven 2.8 – 3.6 V 15 k ± 5% to ground. Internal
pull-up enabled.
V
UOHI
Static output high, idle 2.7 – 3.6 V 15 k ± 5% to ground. Internal
pull-up enabled.
V
UOL
Static output low – – 0.3 V 15 k ± 5% to ground. Internal
pull-up enabled.
Z
O
USB driver output impedance 28 – 44 Including R
EXT
resistor.
V
CRS
D+/D– crossover voltage 1.3 – 2.0 V–
Table 7. DC Chip-Level Specifications
Parameter Description Min Typ Max Unit Notes
V
DD
Supply voltage 3.0 – 5.25 V USB hardware is not functional when V
DD
is between 3.5 V to 4.35 V
I
DD5
Supply current – 14 27 mA Conditions are V
DD
= 5.0 V, T
A
= 25 °C
I
DD3
Supply current – 8 14 mA Conditions are V
DD
= 3.3 V, T
A
= 25 °C
I
SB
Sleep (mode) current – 3 6.5 A V
DD
= 3.3 V, 0 °C < T
A
< 55 °C
I
SBH
Sleep (mode) current at high temperature. – 4 25 A V
DD
= 3.3 V, 55 °C < T
A
< 70 °C
I
susp1
USB suspend current – 225 285 A For 5 V operating voltage range
I
susp2
USB suspend current – 208 260 A For 3.3 V operating voltage range
