DS3170+ Maxim Integrated Products, DS3170+ Datasheet - Page 41
![IC TXRX DS3/E3 100-CSBGA](/photos/6/94/69414/100-csbga_21-0153b_sml.jpg)
DS3170+
Manufacturer Part Number
DS3170+
Description
IC TXRX DS3/E3 100-CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3170.pdf
(230 pages)
Specifications of DS3170+
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
1
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
120mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LBGA
Includes
DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
- Current page: 41 of 230
- Download datasheet (3Mb)
Figure 8-10
Figure 8-10. DS3 Framing Transmit Overhead Port Timing
Figure 8-11
Figure 8-11. E3 G.751 Framing Transmit Overhead Port Timing
Figure 8-12
Figure 8-12. E3 G.832 Framing Transmit Overhead Port Timing
8.3.3 DS3/E3 Serial Data Interface
8.3.3.1
The TSER pin is used to input DS3 or E3 payload data bits in all framing modes as well as the C-bits, which can be
treated as payload, in DS3 M23 and E3 G.751 framing modes. The TDEN signal is used to determine the DS3 or
E3 payload bit positions on TSER. The TDEN signal goes high three clocks before the first bit of a payload
sequence is clocked into the TSER pin and it goes low three clocks before the payload sequence is stopped being
clocked in to the TSER pin. The TSOFO signal pulses high three clocks before the start of the DS3 or E3 overhead
bit position on TSER. The TSOFI pin is used to set the DS3 or E3 frame position. When the TSOFI pin transitions
low to high, the first DS3/E3 overhead bit position on TSER will be forced to align to it
Figure 8-13
TOHCLK
TOHCLK
TOHSOF
TOHSOF
TOHCLK
TOHSOF
TOHEN
TOHEN
TOHEN
TOH
TOH
TOH
DS3/E3 Framed Mode Transmit Serial Interface Pin Functional Timing
shows the relationship between the DS3 transmit overhead port pins.
shows the relationship between the E3 G.751 transmit overhead port pins.
shows the relationship between the E3 G.832 transmit overhead port pins.
to
FAS
1
1
GC
10
Figure 8-15
F73
1
6
2
2
GC
C73
2
A
7
3
3
GC
F74
3
N
8
FAS
4
FA1
4
show the relationship between the transmit serial interface pins.
4
1
1
X1
FAS
5
FA1
5
5
2
2
F11
FAS
6
FA1
6
C11
6
3
3
FAS
7
FA1
7
F12
7
4
4
FAS
8
FA1
8
C12
8
5
5
FAS
9
FA1
9
F13
9
6
6
10
10
FAS
10
FA1
C13
7
7
41 of 230
11
11
FAS
11
FA1
F14
8
8
12
12
12
FAS
FA2
X2
9
1
13
13
13
FAS
FA2
F21
10
2
14
14
14
FA2
C21
A
3
15
15
15
FA2
F22
N
4
DS3170 DS3/E3 Single-Chip Transceiver
16
16
16
FAS
FA2
C22
1
5
17
17
17
FAS
FA2
F23
2
6
18
18
18
FAS
FA2
C23
3
7
19
19
19
FAS
FA2
F24
4
8
20
20
20
FAS
P1
E M
5
1
21
21
21
FAS
F31
E M
6
2
22
22
22
FAS
C31
E M
8
3
23
23
23
FAS
E M
F32
9
4
24
C32
FAS
24
24
E M
9
5
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