®
DEVICE
SPECIFICATION
SERIAL BACKPLANE TRANSCEIVER
BiCMOS BACKPLANE TRANSCEIVER
SERIAL PECL CLOCK GENERATOR
GENERAL DESCRIPTION
S2061
S2061
FEATURES
• Transmitter incorporates phase-locked loop
(PLL) providing clock synthesis from low-speed
reference
• Receiver PLL configured for clock and data
recovery
• 1.0 – 1.25 Gbps operation
• 8-bit parallel TTL compatible interface
• 1.6W typical power dissipation
• +3.3V power supply
• Low-jitter serial PECL compatible interface
• Lock detect
• Local loopback
• 64 PQFP/TEP package
• Framing performed by receiver
• Continuous downstream clocking from receiver
• Drives 30m of Twinax cable directly
The S2061 transmitter and receiver chip is designed
to perform high-speed serial data transmission over
fiber optic or coaxial cable interfaces. The chip runs
at data rates from 1.0 to 1.25 Gbps with associated
10-bit data word.
The chip performs parallel-to-serial and serial-to-par-
allel conversion, 8B/10B coding, and framing for
block-encoded data. The transmitter’s on-chip PLL
synthesizes the high-speed clock from a low-speed
reference. The receiver’s on-chip PLL synchronizes
directly to incoming digital signal to receive the data
stream. The transmitter and receiver each support
differential PECL-compatible I/O for fiber optic com-
ponent interfaces, to minimize crosstalk and maximize
data integrity. Local loopback mode is provided for
system diagnostics.
Figure 1 shows a typical configuration incorporating
the chip, which is compatible with AMCC’s Crosspoint
switch products.
APPLICATIONS
High-speed data communications
• Workstation
• Frame buffer
• Switched networks
• Data broadcast environments
• Proprietary extended backplanes
• RAID drives
• Mass storage devices
Figure 1. System Block Diagram
1000 GBE
OC-3
OC-12
Fibre Channel
MAC
S2061
S2061
MAC
1000 GBE
OC-3
OC-12
Fibre Channel
0
N
Crosspoint
Switch
S2016(16x16)
S2025(32x32)
S2028(32x32)
0
N
1000 GBE
OC-3
OC-12
Fibre Channel
MAC
S2061
S2061
MAC
1000 GBE
OC-3
OC-12
Fibre Channel
February 2, 1999 / Revision C
1
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
