Realtek RTL8169 - FLASH MEMORY - Write

RTL8169
2002/03/27 Rev.1.21
68
FLASH MEMORY - Write
MD7-0
MA16-0
ROMCSB
OEB
WEB
PROGRAMMING
PROGRAM
VERIFICATION
PROGRAM COMMAND
LATCH ADDRESS
& DATA
VERIFY
COMMAND
STANDBY/VCC
POWER-DOWN
SETUPMPROGRAM
COMMAND
VCC POWER-UP
& STANDBY
tWC tWC
tRC
tCH
tAS
tDH
tGHWL
DATAO
UT
tDS
tWP
tWHGL
DATAOUT
=C0H
DATAOUT
=40H
VALID
DATA
IN
tWPH
tWHWH1
tWP
tDS
tDH
tCS
tAH
tDS
tCOLZ
tWP
tCH
tAH
tCS
tDF
tCE
tOOLZ
tOE
tOH
Symbol Description Minimum Typical Maximum Units
TWC Write Cycle Time 135 - - ns
TAS Address Set-up Time 0 - - ns
TAH Address Hold Time 60 - - ns
TDS Data Set-up Time 50 - - ns
TDH Data Hold Time 10 - - ns
TWHGL Write Recovery Time before Read 6 - - us
TGHWL Read Recovery Time before Write 0 - - us
TCS Chip Enable Set-up Time before
Write
20 - - ns
TCH Chip Enable Hold Time 0 - - us
TWP Write Pulse Width 50 - - ns
TWPH Write Pulse Width High 20 - - ns
TWHWH1 Duration of Programming Operation 10 - 25 us