AM79C988 AMD [Advanced Micro Devices], AM79C988 Datasheet - Page 16

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

ABSOLUTE MAXIMUM RATINGS
Storage Temperature. . . . . . . . . . . . . –65 C to +150 C
Ambient Temperature Under Bias. . . . . . . . . 0 to 70 C
Supply Voltage referenced to
AV
Stresses above those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent device failure. Functionality
at or above these limits is not implied. Exposure to Absolute
Maximum Ratings for extended periods may affect device re-
liability. Programming conditions may differ.
DC CHARACTERISTICS over operating ranges unless otherwise specified
16
Twisted Pair Ports
Parameter
Digital I/O
PAUI Ports
Symbol
SS
V
V
V
V
V
V
I
V
V
I
V
V
V
R
I
I
PILH
PASQ
I
PILL
V
V
POH
IRXD
ILDH
POL
V
ILDL
TSQ+
THS+
V
PIH
TSQ-
I
PIL
TIVB
TIDV
THS-
I
RXD
or DV
OH
IH
OL
IL
IH
IL
SS
Input LOW Voltage
Input HIGH Voltage
Output LOW Voltage
Output HIGH Voltage
Input Leakage Current HIGH (DIR,
SDATA, CLK, RST)
Input Leakage Current LOW (DIR,
SDATA, CLK, TEST)
Input Leakage Current HIGH (TEST)
Input Leakage Current LOW (RST)
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Leakage Current HIGH
Input Leakage Current LOW
PDO Squelch (the value PDO must go to
before internal PDO carrier sense can be
turned on)
Input Current at RXD
RXD Differential Input Resistance
RXD , Open Circuit Input Voltage
(Bias)
Differential Mode Input Voltage Range
(RXD)
RXD Positive Squelch Threshold
(Peak)
RXD Negative Squelch Threshold
(Peak)
RXD Post-Squelch Positive Threshold
(Peak)
RXD Post-Squelch Negative Threshold
(Peak)
(AV
DD
Parameter Description
, DV
DD
) . . . . . . . . . . . . . .–0.3 to +6V
P R E L I M I N A R Y
Am79C988A
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
Sinusoid 5 MHz <f< 10 MHz
Test Conditions
AV
0V<V
0V<V
AV
AV
AV
DV
0<V
0<V
I
PAUI Mode
PAUI Mode
PAUI Mode
PAUI Mode
OH
I
SS
I
OPERATING RANGES
Commercial (C) Devices
Operating ranges define those limits between which the
functionality of the device is guaranteed.
OL
IN
DD
DD
(Note 1)
DD
SS
Temperature (TA) . . . . . . . . . . . . . . . . . .0 C to + 70 C
<V
Supply Voltages (V
=4.0 mA
IN
IN
=-0.4 mA
= 0 mA
IN
IN
= MAX
= MAX
= 0.0 V
<DV
<DV
= 5.0 V
IN
<DV
<DV
<AV
DD
DD
DD
DD
DD
V
V
V
DD/2
DD/2
DD/2
AV
DD
Min
-500
-520
-293
-0.5
-3.1
DD
300
120
). . . . . . . . . . . . . . . . . +5 V 5%
2.4
2.0
10
-
-
-
-
- 0.400 V
+ 0.45
+ 0.45
-
-
-
-
-
-3.0
V
V
DD/2
DV
DD/2
AV
DD/2
Max
-10
-300
-120
DD
10
500
520
293
DD
3.1
0.8
0.4
-500
500
-
- 0.175
-10
-
-
10
- 0.45
-
- 0.45
-1.5
+0.5
Unit
mV
mV
mV
mV
mV
k
V
V
V
V
V
V
V
V
A
A
V
V
A
A
A
A
A