DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 16
![no-image](/images/manufacturer_photos/0/4/417/maxim_integrated_products_sml.jpg)
DS21455
Manufacturer Part Number
DS21455
Description
Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
Manufacturer
Maxim Integrated Products
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS21455
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
DS21455+
Manufacturer:
Maxim Integrated Products
Quantity:
135
Company:
Part Number:
DS21455N+
Manufacturer:
Maxim Integrated Products
Quantity:
135
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Figure 3-2. DS21455 Block Diagram
LIUC/TPD
RRING
TRING
RTIP
TTIP
JTDO
JTDI
JTAG
CLOCK & DATA
JTCLK
GENERATION
TRANSMIT
WAVESHAPE
RECOVERY
RECEIVE
MCLK1 MCLK2
MASTER
JTRST
CLOCK
LIU
LIU
JTMS
ESIBS0
OR RECEIVE
TRANSMIT
ATTEN.
ATTEN.
JITTER
JITTER
PATH
ESIBS1
ESIB
ESIBRD
RPOSO
RNEGO
MUX
RCLKO
TPOSI
TPOSI
RPOSI
TNEGI
RNEGI
DS21455
16 of 270
TCLKI
RCLKI
TPOSI
TPOSO
TNEGO
MUX
2 HDLCs
TCLKO
DS21455/DS21458 Quad T1/E1/J1 Transceivers
2 HDLCs
SIGNALING EXTRACTION
CRC RECALCULAION(E1)
HDB3/B8ZS DECODER
SIGNALING INSERTION
ALARM MONITORING
SYNCHRONIZATION
HDLC EXTRACTION
DS0 CONDITIONING
DS0 CONDITIONING
HDB3/B8ZS CODER
ALARM INSERTION
TRANSMIT
HDLC INSERTION
RECEIVE
FRAMER
FRAMER
FRAMING
BERT
MUX/NON-MUX, INTEL/MOTOROLA
BERT
CPU INTERFACE
TRANSCEIVER #2
TRANSCEIVER #3
BACKPLANE
TRANSCEIVER #4
CLOCK
SIGNALING BUFFERS
BACKPLANE
RATE CONVERSION
SIGNALING BUFFERS
BACKPLANE
INTERFACE
RATE CONVERSION
ELASTIC STORES
INTERLEAVE BUS
INTERFACE
ELASTIC STORES
INTERLEAVE BUS
TRANSMIT
RECEIVE
TRANSMIT
BACKPLANE
INTERFACE
TSYSCLK
TCLK
TSER
TSIG
TSYNC
TSSYNC
TCHCLK
TCHBLK
TLCLK
TLINK
BPCLK
RSYSCLK
RCLK
RSER
RSIG
RSIGF
RSYNC
RFSYNC
RMSYNC
RCHCLK
RCHBLK
RLCLK
RLINK
RLOS/LOTC
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