DS2155LN Maxim Integrated Products, DS2155LN Datasheet - Page 217
DS2155LN
Manufacturer Part Number
DS2155LN
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Specifications of DS2155LN
Function
Single-Chip Transceiver
Interface
E1, HDLC, J1, T1
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power (watts)
-
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Part Number
Manufacturer
Quantity
Price
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Part Number:
DS2155LNB+
Manufacturer:
Maxim
Quantity:
100
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ROHM
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Part Number:
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Manufacturer:
Maxim Integrated
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Figure 35-17. G.802 Timing, E1 Mode Only
Note 1: RCHBLK or TCHBLK programmed to pulse high during time slots 1 through 15, 17 through 25, and bit 1 of time slot 26.
Figure 35-18. Transmit-Side Timing
Note 1: TSYNC in frame mode (IOCR1.2 = 0).
Note 2: TSYNC in multiframe mode (IOCR1.2 = 1).
Note 3: TLINK is programmed to source just the Sa4 bit.
Note 4: This diagram assumes both the CAS MF and the CRC4 MF begin with the TAF frame.
Note 5: TLINK and TLCLK are not synchronous with TSSYNC.
RCHCLK
TCHCLK
RCHBLK
TCHBLK
RSYNC
TSYNC
TS #
FRAME#
TSYNC
TLCLK
TSYNC
TSSYNC
TLINK
31 32
3
3
2
1
0
14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
1
2
3
4
5
6
7
RCHCLK / TCHCLK
RCHBLK / TCHBLK
RCLK / RSYSCLK
TCLK / TSYSCLK
8
RSER / TSER
217 of 238
9 10
11 12
13 14 15 16 1
CHANNEL 25
2
LSB MSB
3
4
5
6
CHANNEL 26
7
8
0
9 10
1 2
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