XRT7295AE Datasheet, PDF (16/18 Pages) Exar Corporation – DS3/Sonet STS-1 Integrated Line Receiver

XRT7295AE
INPUT
SIGNAL
B1
EXTERNAL
CLOCK
B2
V_CC
OUTPUTS
RECEIVER
MONITOR
RLOS
RLOL
RI
EC
QT
B
S1
5 678
L
O
SW DIP-4
S
T
H
R
4321
TP
TP
135 7
C2
R2 ^0.01mF
75
U1
XRT7295AT
8
7
2
RLOL
RLOS
R_IN
LOSTHR
REQB
ICT/
RCLK
RNDATA
RPDATA
19
18
17
14
15
16
TMC1 ³
R21
22K
24 6 8
R1 50
R7 39
R8
39
R10 39
P2
GND
6
13
TMC2
EXCLK
R5 50
B5
R6
4
LPF1
75
C3
0.1mF
5
LPF2
1
GNDA
GNDC ¹⁰
9
GNDD
TCLK
B4
TNDATA
FERRITE BEAD
V
D
D
A
20
BT1
VV
DD
DD
CD
11
C6
21
B3
TPDATA
C4
0.1mF
0.1mF
P1
V_CC RX
C7
0.1mF
+ E1
22mF
DMO
BPV
TRANSMITER
MONITOR
OUTPUTS
V_CC
2134 5678
U2
XRT7296
1
28
RCLK
RNDATA
LLOOP
RLOOP
DS3,STS-1/E3/
TAOS
3
2
4
5
ICT/ ²⁶
27 _RPDATA
TXLEV ²⁵
ENCODIS
DECODIS
11
12
9 _TCLK
17
RCLKO
16
RPOS
15
RNEG
RNRZ ¹⁴
R22
22K
1 1111119
5 64 3 2 1 0
S2
1
16 LLOOP
2
15 _RLOOP
3
4
5
6
7
8
14
13
12
11
10
T3/E3
TAOS
TXLEV
ICT
9 ^ENCODIS
DECODIS
SW DIP-8
RCLKO
RPOS
RNEG
RNRZ
RECEIVER
OUTPUTS
8 _TNDATA
7 _TPDATA
18 _DMO
13 _BPV
V
D
D
A
24 _BT2
TRING ²²
R4
36
T1
B6
TTIP
TTIP ²³ _R15
MRING ¹⁹
R16
MTIP ²⁰
GNDD ¹⁰
GNDA ²¹
R3
270
270
36
PE65966
TRING
TRANSFORMER # PULSE ENGINEERING
PE 65966
PE 65967 IN SURFACE MOUNT
V
D
D
D
6
C8
0.1mF
P3
V_CC TX
FERRITE BEAD # FAIR RITE 2643000101
C9 FERRITE BEAD
0.1mF
+E2
22mF
C5
0.1mF
Figure 13. Typical Application Schematic
Rev.1.20
16