TNETX15VE datasheet(5/113 Pages) TI1

номер детали	TNETX15VE

подробное описание детали	VLAN-ENGINE ADDRESS-LOOKUP DEVICE

PDF	113 Pages

Scroll/Zoom	100%

производитель	TI1 [Texas Instruments]

домашняя страница	http://www.ti.com

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TNETX15VE

VLAN-ENGINE ADDRESS-LOOKUP DEVICE

SPWS028B – APRIL 1997 – REVISED SEPTEMBER 1997

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

internal 4K

× 16 SRAM

The TNETX15VE integrates an internal 4K

× 16 SRAM that is used to store the following:

• A one-address-per-port FIFO as part of the bus watcher

• A 32-address FIFO for bridge protocol data unit (BPDU) sources during spanning-tree resolution

• A two-word data entry for each address it has learned

The addresses that the TNETX15VE recognizes are stored as a series of pointers in external (

×16) static RAM.

The size of the internal RAM imposes a hard limit to the number of addresses that the TNETX15VE can support.

IEEE Std 1149.1 test port (JTAG)

The test-access port is composed of five terminals that are used to interface serially with the device and the

board on which it is installed for boundary-scan testing. The TNETX15VE is fully JTAG compliant, with the

exception of requiring external pullup resistors on terminals TDI, TMS, and TRST.

TNETX15VE датащи(PDF) 5 Page - Texas Instruments