CRD8900A-1 Cirrus Logic Inc, CRD8900A-1 Datasheet - Page 117
CRD8900A-1
Manufacturer Part Number
CRD8900A-1
Description
KIT EVAL FOR CS8900A
Manufacturer
Cirrus Logic Inc
Series
CrystalLAN™r
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
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
- Current page: 117 of 138
- Download datasheet (2Mb)
DS271F5
SWITCHING CHARACTERISTICS
CS8900A
Crystal LAN™ Ethernet Controller
16-Bit Memory Write
Address, SBHE, CHIPSEL valid to MEMCS16 low
Address, SBHE, CHIPSEL valid to MEMW low
MEMW pulse width
MEMW low to SD valid
SD hold after MEMW high
Address hold after MEMW inactive
MEMW inactive to active
10BASE-T Transmit
TXD Pair Jitter into 100 Ω Load
TXD Pair Return to ≤ 50 mV after Last Positive Transition
TXD Pair Positive Hold Time at End of Packet
TXD±
SA [19:0],
SBHE,
CHIPSEL
MEMCS16
MEMW
SD [15:0]
Parameter
CIRRUS LOGIC PRODUCT DATASHEET
t
MEMW2
t TTX1
Figure 41. 10BASE-T Transmit
t
Figure 40. 16-Bit Memory Write
MEMW1
Valid Address
t
MEMW4
(Continued)
t
MEMW3
Valid Data In
Symbol
t
t
t
t
t
t
t
MEMW1
MEMW2
MEMW3
MEMW4
MEMW5
MEMW6
MEMW7
t
t
t
TTX1
TTX2
TTX3
t
MEMW7
t
MEMW5
t
MEMW6
Min
250
110
20
35
0
0
-
-
-
-
IN or OUT of chip
DIRECTION:
t TTX3
Typ
IN
OUT
IN
IN
-
-
-
-
-
-
-
-
-
-
t TTX2
Max
4.5
30
40
8
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
117
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