LU3X31T-T64 Datasheet, PDF (32/44 Pages) Agere Systems – LU3X31T-T64 Single-Port 3 10/100 Ethernet Transceiver TX

LU3X31T-T64 Single-Port 3 V
10/100 Ethernet Transceiver TX
Preliminary Data Sheet
July 2000
dc and ac Specifications (continued)
Table 31. dc Characteristics
Parameter
Symbol
Recommended Power
Supply
Supply Current
100Base-TX
Supply Current
10Base-TX
Supply Current
Autonegotiation Mode
Supply Current
100Base-FX
TTL Input High Voltage
TTL Input Low Voltage
TTL Output High-voltage
MII Pins
TTL Output Low-voltage
MII Pins
TTL Output High-voltage
LED Pins
TTL Output Low-voltage
LED Pins
PECL Input High Voltage
PECL Input Low Voltage
PECL Output High Voltage
PECL Output Low Voltage
Oscillator Input (25 MHz)
Crystal Freq. Stability
(25 MHz)
Input Capacitance
VDD
VSS
IDD
IDD
IDD
IDD
VIH
VIL
VOH
VOL
VOH2
VOL2
VIHPECL
VILPECL
VOHPECL
VOLPECL
XIN
XIN/XOUT
MII CIN
Conditions
—
VDD = 3.3 V, VSS = 0.0 V
Full-Duplex Traffic
VDD = 3.3 V, VSS = 0.0 V
Full-Duplex Traffic
VDD = 3.3 V, VSS = 0.0 V
No Link
VDD = 3.3 V, VSS = 0.0 V
Full-Duplex Traffic
VDD = 3.3 V, VSS = 0.0 V
VDD = 3.3 V, VSS = 0.0 V
VDD = 3.3 V, VSS = 0.0 V
IOH = 4 mA
VDD = 3.3 V, VSS = 0.0 V
IOH = 4 mA
VDD = 3.3 V, VSS = 0.0 V
IOH = 10 mA
VDD = 3.3 V, VSS = 0.0 V
IOH = 10 mA
—
—
—
—
—
—
—
Min
Max
3.0
3.6
0.0
0.0
—
148
—
156
—
70
—
120
2.0
—
—
0.8
2.4
—
—
0.4
3.0
—
—
0.3
VDD – 1.16 VDD – 0.88
VDD – 1.81 VDD – 1.47
VDD – 1.02
—
—
VDD – 1.62
–50
50
–50
50
—
8
Unit
V
V
mA
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
ppm
ppm
pF
Clock Timing
Table 32. System Clock (Xin)
Symbol
t1
t2
t3
Description
Clock High Pulse Width
Clock Low Pulse Width
Clock Period
Min
Max
Unit
17
23
ns
17
23
ns
39.998
40.002
ns
t1
t2
t3
XIN
Figure 6. System Timing
5-6784(F)
32
Lucent Technologies Inc.