DS26518GNB1+ Maxim Integrated Products, DS26518GNB1+ Datasheet - Page 133
![IC TXRX T1/E1/J1 8PRT 256-CSBGA](/photos/6/50/65053/256-csbga_21-0315_sml.jpg)
DS26518GNB1+
Manufacturer Part Number
DS26518GNB1+
Description
IC TXRX T1/E1/J1 8PRT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.DS26518GNB1.pdf
(312 pages)
Specifications of DS26518GNB1+
Number Of Drivers/receivers
8/8
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 10-15. Backplane Reference Clock Select
BPREFSEL3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
BPREFSEL2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
BPREFSEL1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
133 of 312
BPREFSEL0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
BFREQSEL
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2.048MHz RCLK1
1.544MHz RCLK1
2.048MHz RCLK2
1.544MHz RCLK2
2.048MHz RCLK3
1.544MHz RCLK3
2.048MHz RCLK4
1.544MHz RCLK4
2.048MHz RCLK5
1.544MHz RCLK5
2.048MHz RCLK6
1.544MHz RCLK6
2.048MHz RCLK7
1.544MHz RCLK7
2.048MHz RCLK8
1.544MHz RCLK8
2.048MHz derived from
MCLK. (REFCLKIO is an
output.)
1.544MHz derived from
MCLK. (REFCLKIO is an
output.)
2.048MHz external clock
input at REFCLKIO.
(REFCLKIO is an input.)
1.544MHz external clock
input at REFCLKIO.
(REFCLKIO is an input.)
REFERENCE CLOCK
SOURCE
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