oq2541bhp NXP Semiconductors, oq2541bhp Datasheet - Page 3

• Manufacturer Part Number: oq2541bhp
• Description: Oq2541bhp; Oq2541bu Sdh/sonet Data And Clock Recovery Unit Stm1/4/16 Oc3/12/48 Ge
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
2000 Sep 18
handbook, full pagewidth
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
CREFQ
CREF
DINQ
DIN
i.c.
33
34
21
22
5
16
GND
13, 18, 19,
36, 40
2, 5, 8, 11, 14, 17, 20
23, 26, 29, 32, 35, 38
41, 44, 47
FREQUENCY
ALEXANDER
DETECTOR
(1000 ppm)
DETECTOR
WINDOW
PHASE
LOCK
12
enable
LOS
Fig.1 Block diagram.
39
FREQUENCY
DIVIDER 2
DREF19
64/128
9
3
DOUT1250
FREQUENCY
CAPDOQ
27
130 pF
DIVIDER 1
DOUT622
1/2/4/16
16
OQ2541B
CAPUPQ
dt
28
DOUT155
proportional
integrating
15
130 pF
path
30
OQ2541BHP; OQ2541BU
path
AREF
V EE1
CONTROL
OUTPUT
CLOCK
2.5 GHz
POWER
48
25
DATA
VCRO
AND
ENL
V EE2
1
31
MGT203
24
42
43
45
46
10
37
Product specification
6
7
3
4
ALLON
DOUT
DOUTQ
COUT
COUTQ
DLOOP
DLOOPQ
CLOOP
CLOOPQ
BYPASS
PC