CRD8900A-1 Cirrus Logic Inc, CRD8900A-1 Datasheet - Page 131

• Manufacturer Part Number: CRD8900A-1
• Description: KIT EVAL FOR CS8900A
• Manufacturer: Cirrus Logic Inc
• Series: CrystalLAN™r

Specifications of CRD8900A-1

• Main Purpose: Interface, Ethernet
• Utilized Ic / Part: CS8900A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Other names: 598-1163

DS271F5
SWITCHING CHARACTERISTICS
CS8900A
Crystal LAN™ 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 ↑ 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
EEData Out
EEData In
(Read)
EECS
EESK
SA [19:0]
CSOUT
MEMR
CS
Parameter
t SKS
CIRRUS LOGIC PRODUCT DATASHEET
Figure 62. External Boot PROM Access
t CSS
t DIS
t BPROM1
Figure 63. EEPROM
t DIH
t DH
(Continued)
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
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