CS8900-CQ3 Cirrus Logic, CS8900-CQ3 Datasheet - Page 113
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CS8900-CQ3
Manufacturer Part Number
CS8900-CQ3
Description
Crystal LAN ISA Ethernet Controller
Manufacturer
Cirrus Logic
Datasheet
1.CS8900-CQ3.pdf
(128 pages)
- Current page: 113 of 128
- Download datasheet (2Mb)
DS271PP3
7.4 SWITCHING CHARACTERISTICS
CS8900A
Crystal LAN™ ISA Ethernet Controller
16-Bit I/O Read, IOCHRDY Not Used
Address, AEN, SBHE active to IOCS16 low
Address, AEN, SBHE active to IOR active
IOR low to SD valid
Address, AEN, SBHE hold after IOR inactive
IOR inactive to active
IOR inactive to SD 3-state
16-Bit I/O Read, With IOCHRDY
IOR active to IORCHRDY inactive
IOCHRDY low pulse width
IOCHRDY active to SD valid
SA [15:0],
AEN, SBHE
IOCS16
IOR
SD [15:0]
SA [15:0],
AEN, SBHE
IOCHRDY
IOCS16
IOR
SD [15:0]
Parameter
CIRRUS LOGIC PRODUCT DATA SHEET
t
IOR2
16-Bit I/O Read, IOCHRDY not used
t
IOR1
16-Bit I/O Read, with IOCHRDY
Valid Address
Valid Address
t
IOR7
t
IOR8
t
IOR3
(T
t
IOR9
A
Valid Data
= 25 °C; V
Valid Data
Symbol
t
t
t
t
t
t
t
t
t
t
t
IOR6
IOR4
IOR1
IOR2
IOR3
IOR4
IOR5
IOR6
IOR7
IOR8
IOR9
t
DD
IOR5
= 5.0 V or VDD = 3.3V)
Min
125
10
35
0
-
-
-
-
-
IN or OUT of chip
DIRECTION:
IN or OUT of chip
IN
OUT
IN
OUT
OUT
Typ
30
30
DIRECTION:
-
-
-
-
-
-
-
IN
OUT
IN
OUT
Max
135
175
35
0
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
113
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