w89c926 Winbond Electronics Corp America, w89c926 Datasheet - Page 41

• Manufacturer Part Number: w89c926
• Description: Pcmcia Ethernet Network Twisted Pair Interface Controller
• Manufacturer: Winbond Electronics Corp America

H/W Reset and Auto-Initialization Timing
SYMBOL
T1
T2
T3
T4
T5
T6
T7
EECS/FCS sampling
EECS/FCS
MSD0-7
RESET
MSWR
MSRD
Reset pulse width
Reset deasserted to EECS/FCS sampling
Reset deasserted to CE1 ,2 asserted
Nonvolatile memory auto-load time
Flash memory auto-reading recovery time
SRAM image auto-writing recovery time
EEPROM auto-reading recovery time
MSAn
IREQ
CEn
EEPROM Auto-Loading (if EECS/FCS pulled low)
Flash Auto-Loading (if EECS/FCS pulled high)
T1
Flash Memory Loading
Serial EEPROM loading
DESCRIPTION
EECS/FCS floating
T2
Auto-Loading
- 41 -
T5
T7
T3
T4
SRAM Write
even byte
Publication Release Date: January 1996
Flash Memory Loading
W89C926 PENTIC+
MIN.
500
400
20
60
20
50
-
T6
SRAM Write
odd byte
MAX.
10
-
-
-
-
-
-
T6
T5
Revision A1
UNIT
mS
mS
nS
nS
nS
nS
nS