AM79C873 Advanced Micro Devices, AM79C873 Datasheet - Page 33

• Manufacturer Part Number: AM79C873
• Description: NetPHY -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support
• Manufacturer: Advanced Micro Devices

AC ELECTRICAL CHARACTERISTICS
(Over full range of operating conditions unless specified otherwise) (Continued)
PECL Transmitter (FX Transmit Interface)
Clock Specifications
Symbol
XNTOL
XBTOL
t
pt
t
pt
pt
pt
t
RPWH
pt
tPWL
RPWL
PWH
TR/F
TDC
DDJ
PPJ
TM
100FXTD+/- Differential Output Duty
Cycle Distortion
100FXTD+/- Differential Output Peak-
to-Peak Jitter
100FXTD+/- Differential Output Data
Dependent Jitter
TX Input Clock Frequency Tolerance
TX Output Clock Frequency Tolerance
OSC Pulse Width High
OSC Pulse Width Low
RX_CLK Pulse Width High
RX_CLK Pulse Width Low
100FXTD+/- Differential Rise/Fall Time
100FXTD+/- Differential Rise/Fall Time
Parameter
Mismatch
P R E L I M I N A R Y
Am79C873
25 MHz Frequency
25 MHz Frequency
Conditions
-100
Min
-0.5
-0.5
1.0
14
14
14
14
Typical
+100
Max
300
500
2.0
0.5
0.5
Unit
ppm
ppm
ns
ns
ns
ps
ps
ns
ns
ns
ns
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