CS8900-CQ3 Cirrus Logic, CS8900-CQ3 Datasheet - Page 119

• Manufacturer Part Number: CS8900-CQ3
• Description: Crystal LAN ISA Ethernet Controller
• Manufacturer: Cirrus Logic

DS271PP3
SWITCHING CHARACTERISTICS
CS8900A
Crystal LAN™ ISA Ethernet Controller
External Boot PROM Access
Address active to MEMR
MEMR active to CSOUT low
MEMR inactive to CSOUT high
EEPROM
EESK Setup time relative to EECS
EECS/ELCS_b Setup time wrt
EEDataOut Setup time wrt
EEDataOut Hold time wrt
EEDataIn Hold time wrt
EECS Hold time wrt
Min EECS Low time during programming
EEData Out
EEData In
(Read)
EECS
EESK
SA [19:0]
CSOUT
MEMR
CS
EESK
Parameter
EESK
EESK
EESK
EESK
CIRRUS LOGIC PRODUCT DATA SHEET
t SKS
t CSS
t DIS
External Boot PROM Access
t BPROM1
t DIH
t DH
(Continued)
EEPROM
t BPROM2
Symbol
t
t
t
BPROM1
BPROM2
BPROM3
t
t
t
t
t
CCS
t
CSH
t
SKS
DIS
DIH
DH
CS
1000
Min
100
250
250
500
100
20
10
-
-
t BPROM3
t CSH
Typ
-
-
-
-
-
-
-
-
-
-
t CS
Max
35
40
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
119