DS_1x66B_001
73M1866B/73M1966B Data Sheet
Pin
Pin
Type
Description
Analog negative supply voltage
Number Name
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VNS
VPS
GND
PWRO Analog positive supply voltage (output)
RXP
RXM
SACIN
TXM
I
Receive plus – signal input
I
Receive minus – signal input
I
Caller ID mode AC impedance connection
Transmit Minus – transhybrid cancellation output
Factory test mode, leave open
Resets the control registers to default – weakly pulled high
DC loop output
O
I
TST
RST
DCD
DCS
DCG
DCI
I
O
I
DC loop current sense
O
DC loop control
I
DC loop input
RGN
RGP
VNS
GPI
I
Ring detect negative voltage input
Ring detect positive voltage input
Negative supply voltage (line side of the barrier)
General purpose input (test pin)
General purpose output (test pin)
I
GND
I
GPO
O
Rev. 1.6
13
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
