AM79C873 Advanced Micro Devices, AM79C873 Datasheet - Page 31

• Manufacturer Part Number: AM79C873
• Description: NetPHY -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support
• Manufacturer: Advanced Micro Devices

ABSOLUTE MAXIMUM RATINGS
Storage Temperature . . . . . . . . . . . . –65°C to +150°C
Ambient Temperature
with Power Applied. . . . . . . . . . . . . . . . –0°C to +70°C
Supply Voltage
with Respect to Ground . . . . . . . . . -4.75 V to +5.25 V
DC Input Voltage (V
DC Output or I/O Pin Voltage (V
Stresses above those listed under Absolute Maximum
Ratings may cause permanent device failure. Functionality
at or above these limits is not implied. Exposure to Ab-
solute Maximum Ratings for extended periods may affect
device reliability.
DC ELECTRICAL CHARACTERISTICS
(V
TTL Inputs
(TXD0-TXD3, TX_CLK, MDIO, TX_EN, TX_DV, TX_ER, TESTMODE, PHYAD0-4, OPMODE0-4, RPTR, BPALIGN, BP4B5B,
BPSCR, 10BTSER, RESET)
Symbol
CC
I
I
I
10TWC
100TX
10TTP
I
I
V
PDM
I
V
RST
I
I
AN
IH
IL
IH
IL
= 5 V
Supply Current 100BASE 100BASE-TX
active
Supply Current 10BASE-TX active
(Random data, Random IPG and
Random size)
Supply Current 10BASE-TX active
(Max. Packet size, Min. IPG and Worst
case data pattern)
Supply Current Power Down Mode
Supply Current during Auto-Negotiation
Supply Current during Reset.
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
DC
,
±5%,
IN
) . . . . . . . . –0.5 V to V
T
A
Parameter
= 0 to 70, unless specified otherwise)
OUT
) . . . . .–0.5 V to
V
CC
P R E L I M I N A R Y
CC
+0.5 V
+0.5 V
Am79C873
I
I
Conditions
IL
IH
V
V
V
V
V
V
V
V
OPERATING RANGES
Commercial (C) Devices
Ambient Temperature (T
Operating in Free Air. . . . . . . . . . . . . . . .0°C to +70°C
Supply Voltage (V
with Respect to Ground . . . . . . . . +4.75 V to +5.25 V
Operating ranges define those limits between which the
functionality of the device is guaranteed.
Power Consumption
100BASE-TX Full Duplex . . . . . . . . . . . . . . . . 185 mA
(Measured using Unscrambled IDLE transmission looped
back to RXIN, includes external termination circuitry)
10BASE-T Full Duplex . . . . . . . . . . . . . . . . . . 222 mA
(Measured using Maximum packet size, minimum I.P.G.
transmission looped back to RXIN, includes external termina-
tion circuitry)
Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . 165 mA
(Measured during Parallel Detect until link established)
Idle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mA
(Measured with no link established)
Power Down Mode . . . . . . . . . . . . . . . . . . . . . 40 mA
(Measured while MII Register 0 Bit 11 set true)
cc
cc
cc
cc
cc
IN
IN
cc
= -400 uA
= 100 uA
= 5.0 V
= 5.0 V
= 5.0 V
= 5.0 V
= 5.0 V
= 5.0 V
= 0.4 V
= 2.7 V
CC
)
-200
Min
2.0
A
)
Typical
180
120
Max
185
220
165
115
100
0.8
40
Unit
mA
mA
mA
mA
mA
mA
uA
uA
V
V
31