Electrical characteristics (continued) – Rainbow Electronics MAX3420E User Manual
Page 9
MAX3420E
USB Peripheral Controller
with SPI Interface
_______________________________________________________________________________________
9
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +3.6V, V
L
= +1.71V to +3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V, V
L
=
+2.5V, T
A
= +25
°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Single-Ended Receiver Input-Low
Voltage
V
IL
0.8
V
Single-Ended Receiver Input-
High Voltage
V
IH
2.0
V
Single-Ended Receiver
Hysteresis Voltage
0.2
V
D+, D- Input Impedance
300
k
Ω
D+, D- Output-Low Voltage
V
OL
R
L
= 1.5k
Ω from D+ to 3.6V
0.3
V
D+, D- Output-High Voltage
V
OH
R
L
= 15k
Ω from D+ and D- to GND
2.8
3.6
V
Driver Output Impedance
Excluding External Resistor
(Note 2)
2
7
11
Ω
D+ Pullup Resistor
R
EXT
= 33
Ω
1.425
1.5
1.575
k
Ω
ESD PROTECTION (D+, D-, VBCOMP)
Human Body Model
1µF ceramic capacitors from VBCOMP and
V
CC
to GND
±15
kV
IEC61000-4-2 Air Discharge
1µF ceramic capacitors from VBCOMP and
V
CC
to GND
±12
kV
IEC61000-4-2 Contact Discharge
1µF ceramic capacitors from VBCOMP and
V
CC
to GND
±8
kV
THERMAL SHUTDOWN
Thermal-Shutdown Low-to-High
+160
°C
Thermal-Shutdown High-to-Low
+140
°C
CRYSTAL OSCILLATOR SPECIFICATIONS (XI, XO)
XI Input High Voltage
2/3 x V
C C
V
CC
V
XI Input Low Voltage
0.4
V
XI Input Current
10
µA
XI, XO Input Capacitance
3
pF
VBCOMP COMPARATOR SPECIFICATIONS
VBCOMP Comparator Threshold
V
TH
1.0
2.0
3.0
V
VBCOMP Comparator Hysteresis
V
HYS
375
mV
VBCOMP Comparator Input
Impedance
R
IN
100
k
Ω