DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 234
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)
-
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Figure 33-12. Transmit-Side Timing, Elastic Store Enabled
Note 1: TSER is only sampled on the falling edge of TSYSCLK when the transmit-side elastic store is enabled.
Note 2: TCHCLK and TCHBLK are synchronous with TSYSCLK when the transmit-side elastic store is enabled.
Figure 33-13. Transmit Line Interface Timing
TPOSO, TNEGO
TPOSI, TNEGI
TCHCLK
TSYSCLK
TCHBLK
TCLKO
TSSYNC
TCLKI
TSER
t
R
t
R
t D3
t DD
F t
t SU
F t
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t D3
t
SU
t
HD
t SU
t HD
t HD
t
SL
t
LL
t
SP
t
LP
t
SH
t
LH