Exar

48720 Kato Rd.
Fremont, CA 94538

UART Device provides PCI Bus Power Management 1.1 support.

Model XR17V252 dual-channel 66 MHz PCI 3.0 compliant Universal Asynchronous Receiver Transmitter device offers seamless upgrade path for product transitions from 33-66 MHz. Product features 3.3 V supply, fractional baud rate generator, 16-bit programmable timer/counter, and 32-bit of data loading and unloading. Device includes fully programmable TX and RX FIFO level trigger, FIFO level counter,...

Electrical Equipment & Systems

Zero Delay Buffers have less than 150 ps output-output skew.

Operating at 3.3 or 2.5 V, Model XRK39351 offers 9 zero delay outputs, LVCMOS/LVPCEL reference inputs, and output frequency of 25-200 MHz. Operating at 3.3 V only, Model offers 8 zero delay outputs along with 1 dedicated feedback, and output frequency of 25-125 MHz. Featuring fan-out phase locked loop clock driver, units accurately align feedback output to clock input signal, ensuring zero delay...

Controls & Controllers

Line Interface Unit suits media gateways and routers.

Model XRT83SL216 LIU contains 16 independent E1 channels, each with jitter attenuators and data and clock recovery circuits. Channels support local analog, remote, and digital loopback modes and have on-chip HDB3 encoder/decoders. LIU features serial processor bus and has circuits to place transmitter outputs and receiver inputs in high impedance mode during power failure. Device meets networking...

$UART features fractional baud rate generator.$

Communication Systems & Equipment

UART features fractional baud rate generator.

Capable of data transmissions at 8 Mbps, 8-channel Universal Asynchronous Receiver Transmitter XR16V798 is 2.25-3.6 V device with 5 V tolerant inputs. It features 64-byte Transmit and Receive FIFOs, automatic RTS/CTS or DTR/DSR hardware flow control, automatic software flow control, RS-485 half-duplex direction control, and 16C550 register set. UART is suited for applications such as remote...

Architectural & Civil Engineering Products

Multi-Protocol Framer suits Ethernet over SONET/SDH systems.

EXtendAR 48M(TM) XRT95L53 maps and de-maps data traffic between SPI-3 interface and standard SONET/SDH interfaces. It supports 48 DS3/E3 and fractional DS3/E3 framers on single chip, as well as flexible encapsulation and framing features including GFP, LAPS, ATM, and PPP/BCP. Device terminates section overhead and line overhead on OC-48/STM-16, 4xOC-12/, 16xOC-3 interfaces. Standard 16-bit...

Controls & Controllers

T1/E1 LIU/Framer suits optical transport applications.

Voyager XRT86SH328 integrates 28-channel T1/E1 LIU/framer with VT/VU Mapper/DeMapper and M13 multiplexer. Each LIU channel supports R3 Technology, making unit reconfigurable, with integrated termination supporting all T1/E1/J1 line impedances. Architecture supports SONET/SDH compliant T1/E1 de-synchronizers in drop direction in addition to jitter attenuator functionality in add direction. Unit...

Construction Equipment and Supplies

Zero Delay Buffers operate at speeds to 175 MHz.

Designed for use with SDRAM modules, clock driver Models XRK32510 and XRK39910 accurately align feedback output to clock input signal ensuring zero delay through IC. Each device distributes 1 clock input to bank of 10 outputs, resulting in low-skew, low-jitter copies of each clock. Model XRK39910 offers 8 zero delay outputs with less than 250 ps of output-to-output skew, selectable positive or...