XRT7300
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.1
áç
ORDERING INFORMATION
P
ART
N
UMBER
XRT7300IV
P
ACKAGE
T
YPE
44 Pin TQFP (10mm x 10mm)
O
PERATING
T
EMPERATURE
R
ANGE
-40°C to +85°C
F
IGURE
2. P
IN
O
UT OF THE
XRT7300
IN THE
44 P
IN
TQFP
TNDATA
TPDATA
MRING
TXOFF
35
TRING
TCLK
MTIP
GND
TTIP
VDD
44
43
42
41
40
39
38
37
36
34
TxLEV
TAOS
VDD
DMO
GND
GND
GND
RTIP
RRING
VDD
REGRESET/
RCLK2INV
1
2
3
4
5
6
7
8
9
10
11
ICT
33
32
31
30
29
28
27
26
25
24
23
RPOS
RNEG
RCLK1
LCV/(RCLK2)
VDD
GND
EXCLK
VDD
GND
RLOS
RLOL
XRT7300
(Top View)
12
REQDIS
13
LOSTHR
14
LLB
15
RLB
16
STS1/DS3
17
E3
18
HOST/HW
19
SDI/(LOSMUTEN)
20
SDO/(LCV)
21
SCLK/(ENCODIS)
22
CS/(DECODIS)
2