DM9081FP DAVICOM [Davicom Semiconductor, Inc.], DM9081FP Datasheet - Page 14

• Manufacturer Part Number: DM9081FP
• Description: 10BASE-T Hub Controller
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

AC Electrical Characteristics
14
DC Output Series Impedance:
Power Supply Current
AUI Port
Twisted Pair Port
Jabber Timing
Symbol
R
R
V
V
t
t
t
t
I
t
t
t
LPWT
LPWD
TPDY
ROFF
t
DD
T
T
t
TP0
CIDL
RIDL
CPH
t
OH
TPI
t
OL
t
JMT
JCB
t
RD
CP
LP
JU
CB
CE
TPO+/TPO-/DTPO+/DTPO-:
Low
High
TP Drives
RXD+/RXD- Input Resistance
Power Supply Current (idle)
Power Supply Current
(Transmitting with TP Port load)
Collision Turn-on Time
Collision Turn-off Time
CDP High To Idle Time
Collision High-Pulse Width
Collision Period
RXP High To Idle Time
DTPO- To TPO+ & DTPO+ To TPO- Delay
Receive Delay From RXD To RXP/RXN
RXD+ High To Idle Time
Transmitted Link Integrity Pulse Period
Link Integrity Pulse Width For TPO+
Link Integrity Pulse Width For DTPO
Maximum Transmit Time for TPO
Time from Jabber to Enable CI Output
Unjab Time
Parameter
4.9
16
-
-
-
-
130
240
Min.
250
250
200
250
40
80
47
80
40
45
0
0
0
8
0
0.1
10
24
-
-
-
Typ.
100
100
450
50
16
50
50
KΩ
mA
mA
Max.
Ω
V
V
900
900
350
120
350
500
900
750
120
60
53
24
60
55
10BASE-T Hub Controller
Unit
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Version: DM9081-DS-F02
Conditions
DM9081
February 02, 2001
Final