DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 16
![IC TXRX QUAD T1/E1/J1 SCT 256BGA](/photos/6/82/68222/406-256-bga_sml.jpg)
DS21Q55
Manufacturer Part Number
DS21Q55
Description
IC TXRX QUAD T1/E1/J1 SCT 256BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q55.pdf
(237 pages)
Specifications of DS21Q55
Function
Transceiver
Interface
E1, J1, T1
Number Of Circuits
4
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
256-BGA
Includes
BERT Generator and Detector, Dual HDLC Controllers
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power (watts)
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS21Q552
Manufacturer:
DALLAS
Quantity:
319
Company:
Part Number:
DS21Q552BN+
Manufacturer:
Maxim Integrated
Quantity:
10 000
Part Number:
DS21Q554
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS21Q554B+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 1-3. Receive and Transmit Framer/HDLC
RPOS
RNEG
RCLK
TPOS
TNEG
TCLK
TRANSMIT
FRAMER
RECEIVE
FRAMER
CLOCK
CLOCK
DATA
SYNC
SYNC
DATA
16 of 237
HDLC #1
HDLC #1
128 Byte
MAPPER
MAPPER
128 Byte
XMIT
FIFO
FIFO
REC
HDLC #2
HDLC #2
128 Byte
MAPPER
MAPPER
128 Byte
XMIT
FIFO
FIFO
REC
SYNC
CLOCK
DATA
CLOCK
SYNC
DATA