DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 246

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DS21455

Manufacturer Part Number
DS21455
Description
Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
Manufacturer
Maxim Integrated Products
Datasheets

Specifications of DS21455

Product
Framer
Number Of Transceivers
4
Data Rate
64 Kbps
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
328 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Package / Case
BGA

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Figure 36-19. Transmit Side Boundary Timing (With Elastic Store Disabled)
NOTES:
1) TSYNC is in the output mode (IOCR1.1 = 1.)
2) TSYNC is in the input mode (IOCR1.1 = 0).
3) TCHBLK is programmed to block channel 2.
4) TLINK is programmed to source the Sa4 bit.
5) The signaling data at TSIG during channel 1 is normally overwritten in the transmit formatter with the
6) Shown is a TNAF frame boundary.
CAS multiframe-alignment nibble (0000).
TCHBLK
TCHCLK
TSYNC
TSYNC
TLCLK
TLINK
TSER
TCLK
TSIG
1
2
3
4
4
LSB
D
DON'T CARE
Si
1
A
Sa4 Sa5 Sa6 Sa7 Sa8
CHANNEL 1
CHANNEL 1
246 of 270
MSB
DON'T CARE
CHANNEL 2
CHANNEL 2
A
B
C
LSB MSB
D

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