DS21Q50L-W+ Maxim Integrated Products, DS21Q50L-W+ Datasheet - Page 72

• Manufacturer Part Number: DS21Q50L-W+
• Description: TXRX E1 QUAD CLK/DATA 100LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q50L-W+

• Function: Transceiver
• Interface: E1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 230mA
• Mounting Type: Surface Mount
• Package / Case: 100-LFQFP
• Includes: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Operating Temperature: -
• Other names: 90-21Q50+LW0

Figure 19-8. Framer Synchronization Flowchart
R C R 1.0 = 0
R LO S = 1
R esync if
Increm ent C R C 4
S ync C ounter;
C R C 4S A = 0
C R C 4 R esync
C A S R esync
C riteria M et;
S et C A SR C
C riteria M et
(R IR .2)
S et FAS R C
(R IR .0)
(R IR .1)
C R C 4 W ord E rrors
FA S R esync
C riteria M et
Tim e
C heck for >=915
8m s
O ut
O ut of 1000
C heck for C A S
M F W ord E rror
C R C 4 M ultifram e S earch
(if enabled via C C R 1.0)
72 of 87
C R C 4 S ync C riteria
M et; C R C 4SA = 0;
(depends on R C R 1.2)
S ync C ounter
R eset C R C 4
C R C 4S A = 1
C heck for FA S
Fram ing E rror
If C R C 4 is on
(C C R 1.0 = 1)
(C C R 1.3 = 0)
If C A S is on
S ync D eclared
FA S Search
C riteria M et
FA S S A = 1
R LO S = 1
FA S SA = 0
P ow er U p
R LO S = 0
FA S S ync
C A S M ultifram e S earch
(if enabled via C C R 1.3)
C riteria M et
C A S S A = 0
C A S S ync
C AS S A = 1