ML6674
PIN CONFIGURATION
ML6674
32-Pin PCC (Q32)
RXOUT–
RVCCA
CMREF
TPIN+
RRSET2
TPIN–
N/C
N/C
ML6674
32-Pin TQFP (H32-7)
TGNDA
25
24
23
22
21
20
19
18
9
10
11
12
13
14
15
16
17
TPOUT–
TPOUT+
RTSET2
RTSET1
TVCCD
TXIN–
TXIN+
N/C
4
RXOUT+
RVCCD
SD–
SD+
N/C
TGNDD
LPBK
TXOFF
N/C
5
6
7
8
9
10
11
12
13
3
2
1
32 31 30
29
28
27
26
25
24
23
22
21
RRSET1
RRSET2
N/C
N/C
RGND
N/C
N/C
TVCCA
TGNDA
RRSET1
TPIN–
TPIN+
CMREF
N/C
N/C
RVCCA
RXOUT–
1
2
3
4
5
6
7
8
32
31
30
29
28
27
RVCCD
N/C
RXOUT+
TGNDD
SD–
SD+
LPBK
TXIN+
TXIN–
RTSET1
TVCCD
RTSET2
TPOUT+
PIN DESCRIPTION
NAME
FUNCTION
NAME
FUNCTION
TX
IN
+, TX
IN
–
These differential ECL100K compatible
inputs receive NRZ data from the PHY
for transmission.
Outputs from the NRZ buffer drive
these differential current outputs. The
transmitter filter/transformer module
connects the media to these pins.
This TTL input enables transmitter-
Receiver loopback internally when
asserted low.
This TTL input forces the NRZ driver to
a high impedence state when asserted
low and shuts off transmit bias currrent.
An external 1% resistor connected
between these pins controls the
transmitter output current amplitude.
I
OUT
= 32 x 1.25V/RTSET
Separate analog and digital
transmitter power supply pins help to
isolate sensitive circuitry from noise
generating digital functions. Both
supplies are nominally +5 volts.
Analog and digital transmitter grounds
provide separate return paths for clean
and noisy signals.
TPOUT–
SD+, SD–
TPOUT+,
TPOUT–
These differential ECL100K
compatible outputs indicate the
presence of a data signal with an
amplitude exceeding a preset
threshold.
NRZ encoded data from the
receiver filter/transformer module
enters the Receiver through these
pins.
Differential ECL100K compatible
outputs provide NRZ encoded data
to the PHY.
Internal time constants controlling
the equalizer’s transfer function
are set by an external resistor
connected across these pins.
This pin provides a DC common
mode reference point for the
receiver inputs.
Analog and digital supply pins are
separated to isolate clean and
noisy circuit functions. Both
supplies are nominally +5 volts.
Receiver ground.
TPIN+, TPIN–
LPBK
TXOFF
RXOUT+,
RXOUT–
RRSET1,
RRSET2
RTSET1,
RTSET2
CMREF
TVCCA,
TVCCD
RVCCA,
RVCCD
TGNDA,
TGNDD
RGND
2
TXOFF
14 15 16 17 18 19 20
TVCCA
26
RGND
N/C
N/C
N/C
N/C
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
