
ML6652
26
January 2002
Preliminary Datasheet
[I(TPoutP)+I(TPoutN)]/2
RTTP = 2K
Off State Output Current
Twisted Pair Transmitter Turned Off
10
A
RTTP Input Current
RTTP=2K
0.6
mA
FIBER OPTIC RECEIVER: FOINP, FOINN, CQOS
Common-Mode Voltage
VCC-1.35
V
Differential Input Resistance
900
FIBER OPTIC TRANSMITTER: IOUT, IOUT#, RTOP
High Light State Output Current
RTOP = 1.4K
100
mA
Low Light State Output Current
RTOP = 1.4K
10
mA
Off-State Output Current
Fiber Optic Transmitter Turned Off
±10
A
MANAGEMENT INTERFACE
tCPER
Period of clock at MDC
1.4V Crossing
80
ns
tCPW
Pulse Width of clock at MDC
1.4V Crossing
30
ns
MDIO Data Valid Before MDC
1.4V Crossing
10
ns
TSPWS
Rising Edge Write Setup Time
tSPWH
MDIO Data Valid After MDC
1.4V Crossing
10
ns
Rising Edge Write Hold Time
tSPRS
MDIO Data Valid Before MDC
1.4V Crossing
30
ns
Rising Edge Read Setup Time
tSPRH
MDIO Data Valid After MDC Rising
1.4V Crossing
0
ns
Edge Read Hold Time
DESCRAMBLER
Synchronization update timer
100Mbps
1.3
2
ms
LATENCY
Twisted Pair Input to Fiber Optic Output
10Mbps
100
ns
Twisted Pair Input to Fiber Optic Output
100Mbps
100
ns
Fiber Optic Input to Twisted Pair Output
10Mbps
100
ns
Fiber Optic Input to Twisted Pair Output
100Mbps
100
ns
REFERENCE CLOCK: REFCLK
Frequency Tolerance
25MHz Nominal
-100
+100
ppm
PECL/LVPECL COMPATIBLE OUTPUTS: TPOUTP, TPOUTN, IOUT, IOUT#
Differential Rise and Fall Time
10 to 90%, 5pF at each pin 100Base-SX
3
ns
TWISTED PAIR RECEIVER: TPINP AND TPINN
Signal Detect Assertion Threshold
100Base-TX
0.8
Vp-p
Signal Detect De-assertion Threshold
100Base-TX
0.4
Vp-p
Amplitude Sensitivity Threshold
Link pulses
0.52
Vp
Packet Activity Assertion Threshold
10Base-T
0.55
Vp
Packet Activity De-assertion Threshold
10Base-T
0.42
Vp
TWISTED PAIR TRANSMITTER: TPOUTP AND TPOUTN
Differential Rise and Fall Time 10 to 90%
100Base-TX, 50
resistors to VCC
3
ns
Transmitting unscrambled “H” symbols
FIBER OPTIC RECEIVER: FOINP AND FOINN
Signal Detect Assertion Threshold
Low bandwidth, 10Mbps, Short Wave Length
6
mV
Low bandwidth, 10Mbps, Long Wave Length
10
mV
ELECTRICAL TABLES (CONTINUED)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS