PM3351-SW datasheet(35/268 Pages) PMC

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PM3351 ELAN 1X100

DATA SHEET

PMC-970113

ISSUE 3

SINGLE PORT FAST ETHERNET SWITCH

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

150 ns EEPROM/EPROM AC Timing

Parameter

Description

MIN

Typ

MAX

Units

tCKP

MCLK period

tMAOD

Max MADDR[17:0] delay from SYSCLK (read, first cycle)

tCEW

Min MCS*[3:0] pulse width

190

tOEW

Min MRD* pulse width

190

tMDIS

Min MDATA[31:0] setup to SYSCLK (read, 11th cycle)

tRDH

Min MDATA[31:0] hold from MRD* rise (read, 12th cycle)

(by design, data is latched internally in the cycle before

the rise of MRD*)

tWAW

Min MADDR[17:0] setup to MWE*[3:0] rise

190

tWAH

Min MADDR[17:0] hold from MWE*[3:0] rise

tWP

Min MWE*[3:0] pulse width (write, second cycle)

190

tWDS

Min MDATA[31:0] setup to MWE*[3:0] rise

180

tWDH

Min MDATA[31:0] hold to MWE*[3:0] rise

EEPROM/EPROM WRITE CYCLE

TW A W

TW P

TW D S

TC E W

TM A O D

TW A H

TW D H

0ns

100n s

200n s

3 0

SYSC L K

MC L K

M W E * [3 :0 ]

M C S * [3 :0 ]

M RD*

A DDR[ 1 7 : 0 ]

M D A T A [ 31: 0]

PM3351-SW Datasheet(PDF) 35 Page - PMC-Sierra, Inc

PM3351-SW Datasheet(HTML) 35 Page - PMC-Sierra, Inc

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