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Número de pieza | VSC7133 | |
Descripción | 10-bit Transceiver for Fibre Channel and Gigabit Ethernet | |
Fabricantes | ETC | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de VSC7133 (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
No Preview Available ! VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7133
10-bit Transceiver for Fibre
Channel and Gigabit Ethernet
Features
• 802.3z Gigabit Ethernet Compliant 1.25
Gb/s Transceiver
• ANSI X3T11 Fibre Channel Compliant
1.0625 Gb/s Transceiver
• 0.98 to 1.36 Gb/s Full Duplex Operation
• 10 Bit TTL Interface for Transmit and
Receive Data
• TTL or PECL Reference Clock
• Automatic Lock-to-Reference
• RX Cable Equalization and Signal Detect
• JTAG Access Port for Testability
• 64-pin, 10mm PQFP Packaging
• Single +3.3V Supply, 650 mW
General Description
The VSC7133 is a full-speed Fibre Channel and Gigabit Ethernet Transceiver with industry-standard
pinouts. It accepts 10-bit 8B/10B encoded transmit data, latches it on the rising edge of the TTL/PECL REF-
CLK and serializes it onto the TX PECL differential outputs at a baud rate which is ten times the REFCLK fre-
quency. Serial data input on the RX PECL differential inputs is resampled by the Clock Recovery Unit,
deserialized onto the 10-bit receive data bus synchronously to complementary divide-by-twenty clocks. The
VSC7133 receiver detects “Comma” characters for frame alignment. An analog/digital signal detection circuit
indicates that a valid signal is present on the RX input. A cable equalizer compensates for Inter Symbol Interfer-
ence in order to increase maximum cable distances. The VSC7133 contains PLL circuitry for synthesis of the
baud-rate transmit clock, and extraction of the clock from the received serial stream. The VSC7133 is similar to
the VSC7123 but has either a TTL or a PECL reference clock.
VSC7133 Block Diagram
R(0:9)
10
RCLK
RCLKN
COMDET
ENCDET
EWRAP
SIGDET
T(0:9)
REFCLKP
REFCLKN
10
QD
Serial to
Q Parallel D
QD
Comma
Detect
÷10 Clock
÷20 Recovery
2:1
Signal
Detect
RX+
RX-
DQ
x10 Clock
Multiply
Parallel
to Serial
DQ
TX+
TX-
NOT SHOWN: JTAG Boundary Scan
G52187-0 Rev. 2.4
1/17/00
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 1
1 page VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7133
10-bit Transceiver for Fibre
Channel and Gigabit Ethernet
Figure 2: Detection of a Properly Aligned Comma Character
RCLK
RCLKN
COMDET
R(0:9)
K28.5 TChar TChar TChar
TChar: 10 bit Transmission Character
Figure 3: Detection and Resynchronization of an Improperly Aligned Comma
RCLK
RCLKN
COMDET
Receiving Two Consecutive K28.5+TChar Transmission Words
Clock Stretching
R(0:9)
Potentially Corrupted
K28.5 TChar TChar TChar K28.5 TChar
G52187-0 Rev. 2.4
1/17/00
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 5
5 Page VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7133
10-bit Transceiver for Fibre
Channel and Gigabit Ethernet
DC Characteristics (Over recommended operating conditions).
Parameters
Description
Min Typ Max Units
VOH Output HIGH voltage (TTL) 2.4 — —
V
VOL Output LOW voltage (TTL) — — 0.5 V
VIH Input HIGH voltage (TTL) 2.0 — 5.5 V
VIL Input LOW voltage (TTL)
0 — 0.8
V
IIH Input HIGH current (TTL) — 50 500 µA
IIL Input LOW current (TTL) — — -500 µA
∆VOUT751
TX Output differential peak-
to-peak voltage swing
1200
—
2200 mVp-p
∆VOUT501
TX Output differential peak-
to-peak voltage swing
1000
—
2200 mVp-p
∆VIN1
RX Input differential peak-
to-peak input sensitivity
300 — 2600 mVp-p
VDD
Supply voltage
3.14 — 3.47
V
PD Power dissipation
— 650 900 mW
IDD
Supply Current (All
Supplies)
— 190 260 mA
IDDA
Analog Supply Current
— — 100 mA
1 NOTE: Refer to Application Note, AN-37, for differential measurement techniques.
Conditions
IOH = -1.0 mA
IOL = +1.0 mA
5V Tolerant Inputs
—
VIN =2.4V
VIN =0.5V
75Ω to VDD – 2.0 V
(TX+) - (TX-)
50Ω to VDD – 2.0 V
(TX+) - (TX-)
Internally biased to Vdd/2
(RX+) - (RX-)
3.3V±5%
Outputs open,
VDD = VDD max
Outputs open,
VDD = VDD max
VDDA = VDDA max
G52187-0 Rev. 2.4
1/17/00
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 11
11 Page |
Páginas | Total 18 Páginas | |
PDF Descargar | [ Datasheet VSC7133.PDF ] |
Número de pieza | Descripción | Fabricantes |
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