VSC7139 Просмотр технического описания (PDF) - Vitesse Semiconductor
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VSC7139 Datasheet PDF : 18 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Datasheet
VSC7139
Quad Transceiver for
Gigabit Ethernet and Fibre Channel
DC Characteristics
Parameters
Description
Mi. Typ Max Units
Conditions
TTL Outputs
VOH
TTL output HIGH voltage
2.4
—
—
V IOH = -1.0mA
VOL
TTL output LOW voltage
—
—
0.5
V IOL = +1.0mA
IOZ
TTL output Leakage current
—
—
50
µA
When set to high-impedance
state through JTAG.
TTL Inputs
VIH
TTL input HIGH voltage
VIL
TTL input LOW voltage
IIH
TTL input HIGH current
IIL
TTL input LOW current
PECL Input (REF+/REF-)
2.0
—
5.5
V 5V Tolerant Inputs
0
—
0.8
V
—
50
500
µA VIN =2.4V
—
—
-500
µA VIN =0.5V
VIH
PECL input HIGH voltage
VDD -
1.1
—
VDD -
0.7
V
VIL
PECL input LOW voltage
VDD -
2.0
—
VDD -
1.5
V
IIH
IIL
∆VIN
PECL input HIGH current
PECL input LOW current
PECL input differential peak-to-
peak voltage swing
—
—
200
µA VIN =VIH(MAX)
- 50 —
—
µA VIN =VIL(MIN)
400 —
—
mV VIH(MIN) - VIL(MAX)
High Speed Outputs
∆VOUT75(1)
TX Output differential peak-to-peak
voltage swing
1200
—
2200
mVp-p
75Ω to VDD – 2.0 V
(TX+) - (TX-)
∆VOUT50(1)
TX Output differential peak-to-peak
voltage swing
1000
—
2200
mVp-p
50Ω to VDD – 2.0 V
(TX+) - (TX-)
High Speed Inputs
∆VIN(1)
PECL differential peak-to-peak
input voltage swing
200 — 2600 mV Rx+ - Rx-
Miscellaneous
VDD
Power supply voltage
3.14 — 3.47
V 3.3V + 5%
PD
Power dissipation
—
2.2 2.67
W Max at 3.47V, outputs open,
136MHz Clk, PRBS 2-7,
IDD
Supply current (All Supplies)
—
—
770
mA parallel input pattern, at +25ºC.
IDDA
Supply current on VDDA
—
100
—
mA
NOTE: (1) Refer to Application Note, AN-37, for differential measurement techniques.
G52196-0, Rev 3.3
5/14/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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