78Q8430-100CGTR/F Maxim Integrated Products, 78Q8430-100CGTR/F Datasheet - Page 19

• Manufacturer Part Number: 78Q8430-100CGTR/F
• Description: Telecom ICs 10/100MAC+PHY MULTI MEDIA OFFLOAD CNTRLR
• Manufacturer: Maxim Integrated Products

DS_8430_001
4.4
**PMEB and INTB are active low outputs requiring external pull-up resistors. V
specified.
4.5
4.5.1
Note: Measured at the line side of the transformer. Test Condition: Transformer P/N: TLA-6T103. Line
Termination: 100 Ω ± 1%
4.5.2
Note: The specifications in the preceding table are included for information only. They are mainly a
function of the external transformer and termination resistors used for measurements.
Rev. 1.2
Parameter
Input Voltage Low
Input Voltage High
Input Current
Input Capacitance
Output Voltage Low
Output Voltage
High**
Output Transition
Time
Tri-state Output
Leakage Current*
Parameter
Peak Output Amplitude (|V
(see note below)
Output Amplitude Symmetry
Output Overshoot
Rise/Fall time (t
Rise/Fall time Imbalance
Duty Cycle Distortion
Jitter
Parameter
Return Loss
Open-Circuit Inductance
Digital I/O Characteristics
Analog Electrical Characteristics
100Base-TX Transmitter
100Base-TX Transmitter (Informative)
R
, t
F
)
Symbol
V
V
I
C
V
V
T
I
IL
Z
T
IL
IH
OL
OH
IN
, I
Table 17: MII 100Base-TX Transmitter (Informative)
IH
P
+|, |V
Table 16: MII 100Base-TX Transmit Timing
Table 15: Digital I/O Characteristics
P
-|)
Conditions
2 < f < 30 MHz
30 < f < 60 MHz
60 < f < 80 MHz
-8 < I
Conditions
I
I
C
I
Type tri-state only
OL
OH
OH
L
= 20 pF
= 8 mA
= -8 mA
= -8 ma (H to Z )
IN
Conditions
Best-fit over 14 bit times;
0.4 dB Transformer loss
Percent of V
10-90% of V
Deviation from best-fit
time-grid;
010101... Sequence
Scrambled Idle, Internal
Oscillator Mode
|t
|V
|V
< 8 mA
R
P
P
- t
+|
-|
F
|
P
P
+, V
+, V
P
P
-
-
16
Min
2.0
2.4
-1
-1
–
–
–
–
−
20
log
Min
350
16
10
0.98
Min
950



–
3
–
–
–
30
MHz
f
Nom
–
–
–
8
–
–
–
–
OH



Nom
for these outputs is not
–
–
–
–
–
–
–
78Q8430 Data Sheet
Max
–
–
Max
1050
±250
Max
1.02
0.8
0.4
500
1.4
–
6
–
1
–
1
5
5
mVpk
Unit
Unit
µH
dB
Unit
ns
ps
ps
ns
%
µA
µA
pF
ns
V
V
V
V
19