am7996 Advanced Micro Devices, am7996 Datasheet - Page 12

• Manufacturer Part Number: am7996
• Description: Ieee 802.3/ethernet/cheapernet Transceiver
• Manufacturer: Advanced Micro Devices

DC CHARACTERISTICS over operating ranges unless otherwise specified
12
Parameter
Transmit Signals
Receive/Collision Signals
Global
CAPACITANCE* (T
Parameter
Notes:
See notes following Switching Characteristics section.
*Parameters are not “Tested.”
Symbol
Symbol
V
I
OD
V
OD
V
C
V
V
V
I
R
V
V
V
V
R
V
I
TXTL
I
I
I
AMD
TXTH
TXTL
RXT
IHD
ILD
CMT
COT
EE
RXT
TXT
CAT
ICM
IDC
ICM
ODI
IDF
OD
OFF
OFF
Parameter Description
Transmit Output HIGH Voltage (Note 1)
Transmit Output LOW Voltage (Note 1)
Transmit Average DC Voltage with 50%
Duty-Cycle into DO+, DO– (Note 1)
DO+, DO– Common Mode Bias
Voltage
Differential Input Squelch Threshold
(DO+, DO–) (Note 9)
Transmit Current (Note 9)
Differential Input Resistance (DO+, DO–)
Common-Mode Input Resistance (DO+, DO–) V
Differential Output Voltage
(DI+, DI–; CI+, CI–)
Common-Mode Output
(DI+, DI–; CI+, CI–)
Differential Output Voltage Imbalance
(DI+, DI–; CI+, CI–) ||V
Differential Output Idle Voltage
(DI+, DI–; CI+, CI–)
Carrier Sense Threshold
Collision Sense Threshold (Note 5)
RXT Input Bias Current
Differential Output Idle Current
(DI+, DI–; CI+, CI–)
Supply Current–Non-Transmitting
Supply Current–Transmitting
Parameter Description
Input Current (DO+, DO–)
RXT Input Capacitance
A
= 25 C; V
OD
EE
| – |V
= 0; Pins 15, 17—No Connections)
OD
|| (Note 6)
V
R
EE
L
= 78
= Max
Am7996
Test Conditions (Note 10)
R
R
R
I
V
V
V
V
V
V
R
R
R
V
V
V
R
R
Test Conditions
Ceramic DIP
Plastic DIP/PLCC
IN
TXT
IN
IN
IN
IN
OD+
OD–
IN
IN
EE
LX
LX
LX
L
L
L
L
LX
= 0
= 78
= 78
= 78
= 0
= V
= 0
= 0 to V
= 0 to V
= 5 MHz Preamble
= 1 V to –2.5 V;
= 25
= 25
= 25
= 25
= Max
= –5.5 V
EE
Max
V
(Note 4)
EE
EE
EE
= Max
–1.625
–0.925
–1515 –1600
+ 1.2
–175
+550
–550
–400
–1.0
–0.5
–0.5
Min
Min
V
–65
–20
1.5
0
6
EE
Commercial
–0.05
+ 1.5
–225
+670
–670
–500
–128
–2.0
–1.0
–2.0
Typ
V
–88
Typ
1.7
1.1
EE
8
2
5
0
0
0
–0.425
–1700
+ 1.8
–275
+850
–850
–600
–105
–155
Max
–2.2
–1.1
–2.0
–3.0
+0.5
+0.5
Max
–88
+20
V
2.5
20
EE
Unit
Unit
mA
pF
mV
mV
mA
mV
mV
mV
mV
mA
mA
k
k
V
V
V
V
V
A