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