DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 231
![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 33-9. Receive-Side Timing, Elastic Store Enabled
Note 1: RSYNC is in the output mode.
Note 2: RSYNC is in the input mode.
Note 3: F-bit when MSTRREG.1 = 0, MSB of TS0 when MSTREG.1 = 1.
Figure 33-10. Receive Line Interface Timing
RPOSO, RNEGO
RSER / RSIG
RPOSI, RNEGI
RSYSCLK
RMSYNC
RSYNC
RSYNC
RCHCLK
RCHBLK
RCLKO
RCLKI
1
2
t R
t D3
t DD
t
R
t D4
t
t D4
D4
F t
t SU
F t
t SU
231 of 237
SEE NOTE 3
t D4
t
HD
t HD
t
SL
t
LL
t
CL
t SP
t LP
t CP
t
SH
t
LH
t
CH