CS8900A-IQ3R Cirrus Logic Inc, CS8900A-IQ3R Datasheet - Page 120
CS8900A-IQ3R
Manufacturer Part Number
CS8900A-IQ3R
Description
Ethernet ICs IC 10Mbps Ethernet Controller 3.3V
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CS8900A-IQ3R
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SWITCHING CHARACTERISTICS
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 ↑ EESK
EEDataOut Setup time wrt ↑ EESK
EEDataOut Hold time wrt ↑ EESK
EEDataIn Hold time wrt ↑ EESK
EECS Hold time wrt ↓ EESK
Min EECS Low time during programming
120
EEData Out
EEData In
(Read)
EESK
EECS
SA [19:0]
CSOUT
MEMR
CS
Parameter
t SKS
CIRRUS LOGIC PRODUCT DATASHEET
Figure 47. External Boot PROM Access
t CSS
t DIS
t BPROM1
Figure 48. EEPROM
t DIH
t DH
(Continued)
t BPROM2
t
t
t
Symbol
BPROM1
BPROM2
BPROM3
t
t
t
t
t
CCS
t
CSH
t
SKS
DIH
DIS
DH
CS
Crystal LAN™ Ethernet Controller
1000
Min
100
250
250
500
100
20
10
-
-
t BPROM3
t CSH
Typ
-
-
-
-
-
-
-
-
-
-
t CS
Max
35
40
-
-
-
-
-
-
-
-
CS8900A
DS271F5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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