®
ADVANCE INFORMATION
IDT779145
NICStAR™ Reference Design
155Mbps Network Interface
Card (NIC)
IDT779155
Integrated Device Technology, Inc.
FEATURES:
DESCRIPTION:
• Complete 155Mbps PCI-bus ATM Network Interface
Card
The IDT779145 and IDT779155 are designed to provide
stablereferenceplatformsforevaluation, design, andproduc-
tionofa155MbpsNIC. TheIDT779145providesafibermedia
physical (PHY) interface; the 779155 supports Unshielded
Twisted Pair, Category 5 (UTP-5) cabling. Otherwise identi-
cal, they both feature complete PCI-bus ATM NIC functional-
ity, plugging directly into PCI bus expansion slots.
• Supports 33MHz, 32-bit PCI bus
• 155Mbps Multimode fiber optical interface (779145)
• 155Mbps UTP-5 PHY interface (779155)
• Complete reference design including schematics, bill of
materials, and data bases needed for production.
• Capable of supporting up to 16K receive connections
• Supports tens of thousands of transmit connections
• E2 PROM layout for Sub-vendor ID
• Small Form Factor: 2.5 x 6 inches
• "SARWIN" software evaluation program available for
Windows 3.1™
COMPATIBILITY AND CONFIGURATION
The board is designed for use in PCI systems, which may
include PC compatibles, MIPS, Alpha, Windows NT systems,
future PowerPC Macintosh systems, and so on. It supports
the 32 bit, 33 MHz, 5V part of the PCI spec, although this also
permits operation in a 64-bit, 33 MHz, 5V PCI slot.
• FCC Class A/B, CE Certified
• Third Party Software available:
- Harris & Jefferies
Novel Netware™ Drivers
OVERVIEW
The heart of the board is the IDT 77211 NICStAR™, which
is an ATM Segmentation And Reassembly (SAR) controller.
The NICStAR™ connects directly to the PCI bus, a private
SRAM/EPROM bus, and the Utopia PHY interface. The PHY
device is aIDT 77155 PHY. The PHY device connects in turn
to a Hewlett-Packard HFBR-5103 Optical Data Link (ODL)
deviceforthefiberopticconnection(IDT779145),ortoaMicro
Linear ML6672CH transciever for the UTP-5 connection
(IDT779155). The ODL incorporates its own fiber optic con-
nectors; the UTP option requires a line interface/filter trans-
former and a standard RJ-45 jack.
888 Washington Street, Dedham,
Massachusetts, 02026
(617) 329-3200 (phone) (617) 329-4148 (FAX)
chrisb@hjinc,com
- Advancenet Systems Inc.
Windows NT™ and Windows 95™ Drivers
406 Timbermill Rd., Durham, North Carolina 27713
(919) 544-5601 (phone) (919) 544-4601 (FAX)
j.harford@ieee.org or
75141,2635@compuserve.com
FUNCTIONAL BLOCK DIAGRAM
50MHz
2
E PROM
19MHz
Osc
Osc
32K 32K 32K
x8
x8
x8
SRAM SRAM SRAM
ODL (779145)
IDT
77155
PHY
or
IDT
77211
SAR
IDT74FCT
3384Q
RJ45 +
Magnetics
(779155)
32K
x8
SRAM
PAL
3761 drw 01
COMMERCIAL TEMPERATURE RANGE
J ANUARY 1998
©1996 Integrated Device Technology, Inc.
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