CS8900A Datasheet, PDF (121/128 Pages) Cirrus Logic – Crystal LAN ™ ISA Ethernet Controller

CS8900A
Crystal LAN™ ISA Ethernet Controller
7.6 AUI WIRING
CS8900A
1:1
DO +
Tx
DO -
CI +
+
Col
-
CI -
0.01 uF
1:1
39.2 Ω
39.2 Ω
DB15
3
10
4
2
9
DI +
+
Rx
-
DI -
0.01 uF
1:1
39.2 Ω
39.2 Ω
5
12
13 6
+12 V
7.7 QUARTZ CRYSTAL REQUIREMENTS (If a 20 MHz quartz crystal is used, it must meet the
following specifications)
Parameter
Min
Parallel Resonant Frequency
-
Resonant Frequency Error (C_L = 18 pF)
-50
Resonant Frequency Change Over Operating Temperature
-40
Crystal Capacitance
-
Motional Crystal Capacitance
-
Series Resistance
-
Shunt Capacitance
-
Typ
20
-
-
-
0.022
-
-
Max
Unit
-
MHz
+50
ppm
+40
ppm
18
pF
-
pF
50
Ohm
7
pF
CIRRUS LOGIC PRODUCT DATA SHEET
DS271PP3
121