LAN91C110 查看數據表（PDF） - SMSC -> Microchip
零件编号
产品描述 (功能)
比赛名单
LAN91C110 Datasheet PDF : 56 Pages
| |||
Chapter 7
FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit Applications
Datasheet
Timing Diagrams
ADDRESS
A1-A15, AEN, nBE0-nBE1 valid
nADS
READ DATA
nRD, nWR
t3
t4
t1
t2
WRITE DATA
t5
t5A
D0-D15 valid
Figure 7.1 - Asynchronous Cycle - nADS=0
PARAMETER
t1 A1-A15, AEN, nBE0-nBE1 Valid and nADS Low Setup to
nRD, nWR Active
t2 A1-A15, AEN, nBE0-nBE1 Hold After nRD, nWR Inactive
(Assuming nADS Tied Low)
t3 nRD Low to Valid Data
t4 nRD High to Data Floating
t5 Data Setup to nWR Inactive
t5A Data Hold After nWR Inactive
MIN TYP MAX UNITS
25
ns
20
ns
40
ns
30
ns
30
ns
5
ns
ADDRESS
A1-A15, AEN, nBE0-nBE1 valid
t8
t9
nADS
READ DATA
t3
t4
t1
nRD, nWR
WRITE DATA
t5
t5A
D0-D15 valid
Figure 7.2 - Asynchronous Cycle - USING nADS
PARAMETER
MIN TYP MAX UNITS
t1 A1-A15, AEN, nBE0-nBE1 Valid and nADS Low Setup to nRD, 25
ns
nWR Active
t3 nRD Low to Valid Data
40
ns
t4 nRD High to Data Floating
30
ns
t5 Data Setup to nWR Inactive
30
ns
t5A Data Hold After nWR Inactive
5
ns
t8 A1-A15, AEN, nBE0-nBE1 Setup to nADS Rising
10
ns
t9 A1-A15, AEN, nBE0-nBE1 Hold after nADS Rising
15
ns
SMSC LAN91C110 Rev. B
Page 51
DATASHEET
Revision 1.0 (11-04-08)
Share Link: 