
Page 171
Cortina Systems LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
6.0 Test Specifications
Operating
Current - SMII3
100BASE-TX
ICC
–
800
830
mA
ICCIO
–
70
130
160
mA
100BASE-FX
ICC
–
380
410
mA
ICCIO
–
90
170
200
mA
10BASE-T
ICC
–
740
770
mA
ICCIO
–
60
110
130
mA
Power-Down
Mode
Hardware
ICC
–50
50
mA
ICCIO
–3
5
mA
Auto-Negotiation
ICC
–
520
570
mA
ICCIO
–20
30
mA
Operating
Current -
SS-SMII3
100BASE-TX
ICC
–
800
835
mA
ICCIO
–
90
170
200
mA
100BASE-FX
I
CC
–
380
410
mA
ICCIO
–
90
170
200
mA
10BASE-T
ICC
–
740
780
mA
ICCIO
–
90
150
180
mA
Power-Down
Mode
Hardware
ICC
–30
40
mA
ICCIO
–3
5
mA
Auto-Negotiation
ICC
–
530
570
mA
ICCIO
–50
70
80
mA
Table 54
Digital I/O DC Electrical Characteristics (VCCIO = 2.5 V +/- 5%)
Parameter
Sym
Min
Typ1
Max
Units
Test Conditions
Input Low voltage
VIL
–
0.75
V
–
Input High voltage
VIH
1.75
–
V
–
Input current
II
-100
–
100
μA0.0 < VI < VCC
Output Low voltage
VOL
––
0.2
V
IOL = 4 mA
Output Low voltage (LED
m_n_L
pins)
VOL-LED
–
0.5
V
IOL = 10 mA
Output High voltage
VOH
2.07
–
V
IOH = -4 mA
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production
testing.
Table 53
Operating Conditions (Sheet 2 of 2)
Parameter
Sym
Min
Typ1
(2.5 VCCIO)
Typ1
(3.3 VCCIO)
Max
Units
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production
testing.
2. Voltages with respect to ground unless otherwise specified.
3. Values are aggregated for all eight ports.