參數(shù)資料
型號: AM79C960KC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: PCnetTM-ISA Single-Chip Ethernet Controller
中文描述: 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP120
封裝: CARRIER RING, PLASTIC, QFP-120
文件頁數(shù): 99/127頁
文件大?。?/td> 814K
代理商: AM79C960KC
P R E L I M I N A R Y
AMD
1-441
Am79C960
SWITCHING CHARACTERISTICS: AUI
Notes:
1. DI pulses narrower than t
PWODI
(min) will be rejected; pulses wider than t
PWODI
(max) will turn internal DI carrier sense on.
2. DI pulses narrower than t
PWKDI
(min) will maintain internal DI carrier sense on; pulses wider than t
PWKDI
(max) will turn
internal DI carrier sense off.
3. CI pulses narrower than t
PWOCI
(min) will be rejected; pulses wider than t
PWOCI
(max) will turn internal CI carrier sense on.
4. CI pulses narrower than t
PWKCI
(min) will maintain internal CI carrier sense on; pulses wider than t
PWKCI
(max) will turn
internal CI carrier sense off.
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
AUI Port
t
DOTR
DO+,DO- Rise Time (10% to 90%)
2.5
5.0
ns
t
DOTF
DO+,DO- Fall Time (90% to 10%)
2.5
5.0
ns
t
DORM
DO+,DO- Rise and Fall Time Mismatch
1.0
ns
t
DOETD
DO+/- End of Transmission
200
375
ns
t
PWODI
DI Pulse Width Accept/Reject
Threshold
|V
IN
| > |V
ASQ
|
(Note 1)
15
45
ns
t
PWKDI
DI Pulse Width Maintain/Turn-Off
Threshold
|V
IN
| > |V
ASQ
|
(Note 2)
136
200
ns
t
PWOCI
CI Pulse Width Accept/Reject
Threshold
|V
IN
| > |V
ASQ
|
(Note 3)
10
26
ns
t
PWKCI
CI Pulse Width Maintain/Turn-Off
Threshold
|V
IN
| > |V
ASQ
|
(Note 4)
90
160
ns
Internal MENDEC Clock Timing
t
X1
XTAL1 Period
V
IN
= External Clock
49.995
50.005
ns
t
X1H
XTAL1 HIGH Pulse Width
V
IN
= External Clock
20
ns
t
X1L
XTAL1 LOW Pulse Width
V
IN
= External Clock
20
ns
t
X1R
XTAL1 Rise Time
V
IN
= External Clock
5
ns
t
X1F
XTAL1 Fall Time
V
IN
= External Clock
5
ns
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