oq2541u NXP Semiconductors, oq2541u Datasheet - Page 4

• Manufacturer Part Number: oq2541u
• Description: Sdh/sonet Data And Clock Recovery Unit Stm1/4/16 Oc3/12/48 Ge
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
1999 May 27
ENL
GND
CLOOP
CLOOPQ
GND
DLOOP
DLOOPQ
GND
DREF19
GND
GND
LOCK
i.c.
GND
CAPUPQ
CAPDOQ
GND
i.c.
i.c.
GND
CREF
CREFQ
GND
DREF39
V
GND
DOUT1250
DOUT622
GND
DOUT155
V
GND
DIN
DINQ
GND
i.c.
PC
GND
LOS
i.c.
EE1
EE2
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
SYMBOL
PIN
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
37
38
39
40
11
36
1
2
3
4
5
6
7
8
9
loop mode enable input (active LOW)
ground; note 1
clock output in loop mode (differential)
inverted clock output in loop mode (differential)
ground; note 1
data output in loop mode (differential)
inverted data output in loop mode (differential)
ground; note 1
reference frequency select input 1 (see Table 2)
ground; note 1
ground; note 1
phase lock detection output
internally connected; note 2
ground; note 1
external loop filter capacitor connection
external loop filter capacitor return connection
ground; note 1
internally connected; note 2
internally connected; note 2
ground; note 1
reference clock input (differential)
inverting reference clock input (differential)
ground; note 1
reference frequency select input 2 (see Table 2)
negative supply voltage ( 3.3 V); note 3
ground; note 1
STM mode select input 1 (see Table 3)
STM mode select input 2 (see Table 3)
ground; note 1
STM mode select input 3 (see Table 3)
negative supply voltage ( 3.3 V); note 3
ground; note 1
data input (differential)
inverting data input (differential)
ground; note 1
internally connected; note 2
control output for negative power supply
ground; note 1
loss of signal detection output
internally connected; note 2
4
DESCRIPTION
OQ2541HP; OQ2541U
Product specification