Ac Characteristics; Flash/Boot Rom Timing - Realtek RTL8169 Manual

11.3 AC Characteristics

11.3.1 FLASH/BOOT ROM Timing

FLASH/BOOT ROM - Read
MA16-0
ROMCSB
OEB
WEB
MD7-0
Symbol
TRC Read Cycle
TCE Chip Enable Access Time
TACC Address Access Time
TOES Output Enable Access Time
TCOLZ Chip Enable to Output in Low Z
TOOLZ Output Enable to Output in Low Z
TOHZ Output Disable to Output in High Z
TOH Output Hold from Address, ROMCSB, or
OEB
TWRBR Write Recovery time Before Read
2002/03/27
TWRBR
TCOLZ
TACC
Description
TRC
TOES
TCE
TOOLZ
Minimum
135
-
-
-
0
0
-
0
6
67
TOHZ
TOH
Typical Maximum
- -
- 200
- 200
- 60
- -
- -
- 40
- 0
- -
RTL8169
Units
ns
ns
ns
ns
ns
ns
ns
ns
us
Rev.1.21