78Q2120C Teridian Semiconductor Corp. (TDK Semiconductor), 78Q2120C Datasheet - Page 27

• Manufacturer Part Number: 78Q2120C
• Description: 10/100 Ethernet PHYS
• Manufacturer: Teridian Semiconductor Corp. (TDK Semiconductor)

78Q2120C
10/100BASE-TX Transceiver
100BASE-TX Receiver
10BASE-T Transmitter
The Manchester-encoded data pulses, the link pulse and the start-of-idle pulse are tested against the templates
and using the procedures found in Clause 14 of IEEE 802.3.
Note: Measured at the line side of the transformer.
© 2003 TDK Semiconductor Corporation, Proprietary and Confidential
PARAMETER
Peak Differential Output Signal
(see note below)
Harmonic Content
(dB below fundamental)
Link Pulse Width
Start-of-Idle Pulse Width
PARAMETER
Signal Detect Assertion Threshold
Signal Detect De-assertion Threshold
Differential Input Resistance
Jitter Tolerance (pk-pk)
Baseline Wander Tracking
Signal Detect Assertion Time
Signal Detect De-assertion Time
Test Condition:
Line Termination:
Transformer P/N:
All data patterns
All ones data
Not tested
Last bit 0
Last bit 1
Not tested
Not tested
TLA-6T103
100Ω ±1%
CONDITION
CONDITION
- 27 -
MIN
MIN
600
300
-75
2.2
27
4
NOM
NOM
750
400
100
300
350
20
MAX
1000
MAX
900
500
+75
2.8
2
mVppd
mVppd
UNIT
UNIT
Rev_1.1
kΩ
dB
ns
µs
µs
ns
ns
ns
%
V