78Q2123/F1 Maxim Integrated, 78Q2123/F1 Datasheet - Page 31

• Manufacturer Part Number: 78Q2123/F1
• Description: Ethernet ICs
• Manufacturer: Maxim Integrated

Specifications of 78Q2123/F1

• Rohs: yes

templates and using the procedures found in Clause 14 of IEEE 802.3.
DS_21x3_001
4.7.4 10BASE-T Transmitter
The Manchester-encoded data pulses, the link pulse and the start-of-idle pulse are tested against the
Note:
4.7.5 10BASE-T Transmitter (Informative)
The specifications in the following table are included for information only. They are mainly a function of
the external transformer and termination resistors used for measurements.
4.7.6 10BASE-T Receiver
Rev. 1.6
Parameter
Peak Differential Output Signal
(see note below)
Harmonic Content
(dB below fundamental)
Link Pulse Width
Start-of-Idle Pulse Width
Parameter
Output return loss
Output Impedance Balance
Peak Common-mode Output
Voltage
Common-mode rejection
Common-mode rejection jitter
Parameter
DLL Phase Acquisition Time
Jitter Tolerance (pk-pk)
Input Squelched Threshold
Input Unsquelched Threshold
Differential Input Resistance
Bit Error Ratio
Common-mode rejection
Measured at the line side of the transformer.
Test Condition:
Line Termination:
Transformer P/N:
All data patterns
Any harmonic
All ones data
Not tested
Last bit 0
Last bit 1
1 MHz < freq < 20 MHz
15 V
applied to transmitter
common-mode. All data
sequences.
15 V
applied to transmitter
common-mode. All data
sequences.
Square wave
0 < f < 500 kHz
Not tested
pk
pk
, 10.1 MHz sine wave
, 10.1 MHz sine wave
Condition
Condition
Condition
TLA-6T103
100Ω ±1%
29 17
−
Min
Min
Min
500
275
2.2
27
15
30
25
log



10
f



78Q2123/78Q2133 Data Sheet
10 -10
Nom
Nom
Nom
100
300
350
600
350
10
20
Max
Max
Max
100
700
425
2.8
50
1
mVppd
mVppd
Unit
Unit
Unit
mV
mV
kΩ
BT
dB
dB
dB
ns
ns
ns
ns
ns
V
V
31