®
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7182
DC Characteristics
Parameters
TTL Outputs
V
OH
V
OL
I
OZ
TTL Inputs
V
IH
V
IL
I
IH
I
IL
TTL input HIGH voltage
TTL input LOW voltage
TTL input HIGH current
TTL input LOW current
2.0
0
—
—
V
DD
-
1.1
V
DD
-
2.0
—
- 50
400
—
—
50
—
TTL output HIGH voltage
TTL output LOW voltage
TTL output Leakage current
2.4
—
—
—
—
—
Quad Transceiver
for Gigabit Ethernet and Fibre Channel
Description
Min.
Typ
Max.
—
0.5
50
Units
V
V
µA
Conditions
I
OH
= -1.0mA
I
OL
= +1.0mA
When set to high-impedance
state through JTAG.
5V tolerant inputs
V
IN
= 2.4V
V
IN
= 0.5V
5.5
0.8
500
-500
V
DD
-
0.7
V
DD
-
1.5
200
—
—
V
V
µA
µA
PECL Input (RFC+/RFC-)
V
IH
V
IL
I
IH
I
IL
∆V
IN
PECL input HIGH voltage
PECL input LOW voltage
PECL input HIGH current
PECL input LOW current
PECL input differential peak-to-
peak voltage swing
—
—
—
—
—
V
V
µA
µA
mV
V
IN
= V
IH(MAX)
V
IN
= V
IL(MIN)
V
IH(MIN)
- V
IL(MAX)
High Speed Outputs
∆
V
OUT75(1)
∆
V
OUT50(1)
TX output differential peak-
to-peak voltage swing
TX output differential peak-
to-peak voltage swing
PECL differential peak-to-peak
input voltage swing
Power supply voltage
Power dissipation
Supply current (all supplies)
Supply current on V
DDA
1200
1000
—
—
2200
2200
mVp-
p
mVp-
p
75
Ω
to V
DD
– 2.0 V
(TX+) - (TX-)
50
Ω
to V
DD
– 2.0 V
(TX+) - (TX-)
High-Speed Inputs
∆V
IN(1)
Miscellaneous
V
DD
P
D
I
DD
I
DDA
3.14
—
—
—
—
2.2
—
100
3.47
2.67
770
—
V
W
mA
mA
3.3V + 5%
Maximum at 3.47V, outputs
open, 25
o
C, 136MHz Clk,
PRBS 2
7
-1 parallel input pattern
200
—
2600
mV
SI+ - SI-
NOTE: (1) Refer to Application Note, AN-37, for differential measurement techniques.
G52307-0, Rev 2.2
10/10/00
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 9
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