2009 Teridian Semiconductor Corporation Rev 1.3 100B" />
參數(shù)資料
型號(hào): 78Q2120C09-CGTR/F
廠商: Maxim Integrated
文件頁(yè)數(shù): 21/35頁(yè)
文件大小: 0K
描述: IC TXRX 10/100BASE-TX 64LQFP
標(biāo)準(zhǔn)包裝: 1,500
系列: *
78Q2120C
10/100BASE-TX
Transceiver
Page: 28 of 35
2009 Teridian Semiconductor Corporation
Rev 1.3
100BASE-TX Receiver
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Signal Detect Assertion Threshold
500
600
700
mVppd
Signal Detect De-assertion Threshold
275
350
425
mVppd
Differential Input Resistance
20
k
Jitter Tolerance (pk-pk)
Not tested in production
4
ns
Baseline Wander Tracking
-75
+75
%
Signal Detect Assertion Time
Not tested
1000
s
Signal Detect De-assertion Time
Not tested
4
s
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.
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Peak Differential Output Signal
(see note below)
All data patterns
2.2
2.8
V
Harmonic Content
(dB below fundamental)
All ones data
Not tested
27
dB
Link Pulse Width
100
ns
Start-of-Idle Pulse Width
Last bit 0
Last bit 1
300
350
ns
Note: Measured at the line side of the transformer.
Test Condition:
Transformer P/N:
TLA-6T103
Line Termination:
100
±1%
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