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W6694 Datasheet, PDF (28/33 Pages) Winbond – USB Bus ISDN S/T-Controller
Preliminary W6694
9.2 Power Supply
PARAMETER
5V Input Voltage
3.3V Regulator Output
Analog Ground
Digital Ground
SYM.
VDD
VDD3
VSSA
VSSD
MIN.
4.75
TYP.
5.0
3.3
0
0
MAX.
5.25
UNIT
V
V
V
V
REMARKS
Pins VDD1, VDD21,
VDD22, VDD23, VDDU
Pins VDD3I, VDD3
Pins VSS1
Pins VSS21, VSS22,
VSS23, VSSU
9.3 DC Characteristics
TA = 0 to 70 °C; VDD = 5V ± 5 %, VSSA = 0 V, VSSD = 0 V
PARAMETER SYM. MIN. MAX. UNIT
TEST CONDITIONS
Low Input Voltage VIL -0.4
0.8
V
High Input
Voltage
VIH 2.0
VDD
V
+0.4
Low Output
VOL
Voltage
0.4
V IOL = 12 mA
High Output
VOH 2.4
V
Voltage
Power Supply
ICC
Current:
Suspended
mA VDD = 5V, S/T layer 1 in
state “F3 Deactivated without
clock”, USB in suspended
mode
Power Supply
ICC
Current: Activated
Absolute Value of VX 2.03 2.31
Output Pulse
Amplitude
2.10 2.39
mA VDD = 5V, S/T layer 1 in
state “F7 Activated”, USB is
configured and active
V RL = 50 Ω 1)
V RL = 400 Ω 1)
(VSX2−VSX1)
Transmitter
Output Current
IX
7.5
13.4
mA RL = 5.6 Ω 1)
Transmitter
Output
Impedence
RX 30
23
kΩ Inactive or during binary ONE
Ω During binary ZERO (RL = 50 Ω)
Note: 1) Due to the transformer, the load resistance seen by the circuit is four times RL.
REMARKS
SX1, 2
SX1, 2
SX1, 2
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