VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7146
2.5Gb/s, 20-Bit Transceiver
DC Characteristics (Over recommended operating conditions)
Parameters
VOH
VOL
∆VOUT50(1)
∆VOUT75(1)
∆VIN (1)
VIH
VIL
IIH
IIL
VDD
PD
IDD
ZO
ZI
Description
Output HIGH voltage (TTL)
Output LOW voltage (TTL)
Serial output absolute voltage
differential peak-to-peak swing
(TX+/TX-)
Serial output absolute voltage
differential peak-to-peak swing
(TX+/TX-)
Serial input absolute voltage
differential peak-to-peak swing
(RX+/RX-)
Input HIGH voltage (TTL)
Input LOW voltage (TTL)
Input HIGH current (TTL)
Input LOW current (TTL)
Supply voltage
Power dissipation
Supply current
Output resistance (TX)
Input resistance (RX)
Min Typ Max Units
Conditions
2.4
—
—
V IOH = −1.0 mA
—
—
0.5
V IOL = +1.0 mA
600
1100 2000
mV
Driving a 50Ω transmission line
(TX+ - TX-)
600
1100 2000
mV
Driving a 75Ω transmission line
(TX+ - TX-)
400
—
2200 mV (RX+ - RX-)
2.0
—
5.5
V
0
—
0.8
V
—
1000 µA VIN = 2.4 V
—
—
-500
µA VIN = 0.5 V
3.14
—
3.47
V +3.3V± 5%
—
1.8
2.6
W Outputs open, VDD = VDD max
—
550
750
mA Outputs open, VDD = VDD max
—
50
—
Ω
—
50
—
Ω
Note: (1) Refer to Application Note, AN-37, for differential measurement techniques.
G52162-0, Rev. 2.7
8/28/00
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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