DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 233

IC TXRX QUAD T1/E1/J1 SCT 256BGA

DS21Q55

Manufacturer Part Number
DS21Q55
Description
IC TXRX QUAD T1/E1/J1 SCT 256BGA
Manufacturer
Maxim Integrated Products
Datasheet

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 33-11. Transmit-Side Timing
Note 1: TSYNC is in the output mode (IOCR1.1 = 1).
Note 2: TSYNC is in the input mode (IOCR1.1 = 0).
Note 3: TSER is sampled on the falling edge of TCLK when the transmit-side elastic store is disabled.
Note 4: TCHCLK and TCHBLK are synchronous with TCLK when the transmit-side elastic store is disabled.
Note 5: In E1 mode, TLINK is only sampled during Sa bit locations as defined in E1TCR2; no relationship between TLCLK/TLINK and TSYNC
is implied.
TSER / TSIG /
TDATA
TCHCLK
TCHBLK
TSYNC
TSYNC
TCLK
TESO
TLCLK
TLINK
1
2
5
t
R
t D2
t
D1
t D2
t
F t
D2
t
SU
t
SU
233 of 237
t D2
t SU
t
t
HD
HD
t HD
t
CL
t
CP
t
CH

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