
DM9331
100 Mbps Twisted Pair/Fiber Ethernet Media Converter Chip
Preliminary 27
Version: DM9331-DS-P02
September 21, 2001
DC Electrical Characteristics
(VCC = 3.3V, T
A
= 0 ~ 70
°
C)
Symbol
TTL Inputs
(TXD0, TXD1, TXEN, LNKFAULTPROG, LNKFAULTEN, MDC, MDIO,CHIPEN, OPMODE0-2, TPSET0, TPSET1,
DISFEF,SCRAMEN, RESET# )
V
IL
Input Low Voltage
---
V
IH
Input High Voltage
2.0
I
IL
Input Low Leakage Current
---
I
IH
Input High Leakage Current
---
MCI TTL Outputs
( RXD0, RXD1, RXDV, RXER,TPFAULT, FXFAULT MDIO)
V
OL
Output Low Voltage
---
V
OH
Output High Voltage
2.4
Non-MCI TTL Outputs
(LINKLED#, ACTIVELED#, FULL/HALFLED#, FAULTLED#, MDINTR#)
V
OL
Output Low Voltage
---
V
OH
Output High Voltage
2.4
Receiver
V
ICM
RX+/RX- Common mode Input Voltage
---
Transmitter
V
TD
100
100TX+/- Differential Output Voltage
1.9
I
TD
100
100TX+/- Differential Output Current
│
19
│
V
OH
PECL Output Voltage – High
V
CC-
1.05
V
OL
PECL Output Voltage – Low
V
CC-
1.81
V
IH
PECL Input Voltage – High
V
CC-
1.16
V
IL
PECL Input Voltage – Low
V
CC-
1.81
I
FD
100
100FX+/- Differential Output Current
│
17
│
Parameter
Min.
Typ.
Max.
Unit
Conditions
---
---
---
---
0.8
---
10
-10
V
V
u
A
u
A
V
IN
= 0.4V
V
IN
= 2.7V
---
---
0.4
---
V
V
I
OL
= 4m
A
I
OH
= -4m
A
---
---
0.4
---
V
V
I
OL
= 2m
A
I
OH
= -2m
A
1.2
---
V
100
Termination Across
2.0
│
20
│
2.1
│
21
│
V
CC
-
0.88
V
CC-
1.62
V
CC
-
0.88
V
CC
-
1.48
│
19
│
V
Peak to Peak
m
A
V
V
V
V
│
18
│
m
A