AM79C988 AMD [Advanced Micro Devices], AM79C988 Datasheet - Page 17

• Manufacturer Part Number: AM79C988
• Manufacturer: AMD [Advanced Micro Devices]

Note:
1. CMOS Mode on PAUI signals is guaranteed by design and is compatible with normal CMOS levels present on other QuIET
Parameter
Power Supply Current
Symbol
V
device pins.
V
V
V
V
I
I
DDTX
TXOFF
I
RXDTH
LTSQ+
V
LTHS+
LTSQ-
LTHS-
DDI
TXI
Power Supply Current (All 4 ports Trans-
mitting Including TXD current)
Power Supply Current Idle
RXD Positive Squelch Threshold Ex-
tended Distance Mode
RXD Positive Squelch Threshold Ex-
tended Distance Mode
RXD Post-Squelch Positive Threshold
Extended Distance Mode
RXD Post-Squelch Negative Threshold
Extended Distance Mode
RXD Switching Threshold
TXD Differential Output Voltage Im-
balance
TXD Idle Output Current
Parameter Description
P R E L I M I N A R Y
Am79C988A
(Uses Twisted Pair Switching
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
F = 20 MHz V
F= 20 MHz V
Test Conditions
Test Current)
DV
(Note 1)
(Note 2)
DD
DD
= 5V
DD
= V
=V
MAX
MAX
Min
-312
-175
180
-60
-40
80
-2
-
-
Max
380
120
-180
312
175
+60
+40
-80
2
Unit
mA
mA
mV
mV
mV
mV
mV
mV
A
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