OQ2541HP/C3 データシートの表示（PDF） - Philips Electronics
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OQ2541HP/C3 Datasheet PDF : 36 Pages
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Philips Semiconductors
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
Product specification
OQ2541HP; OQ2541U
PINNING
SYMBOL
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
VEE1
GND
DOUT1250
DOUT622
GND
DOUT155
VEE2
GND
DIN
DINQ
GND
i.c.
PC
GND
LOS
i.c.
PIN
DESCRIPTION
1 loop mode enable input (active LOW)
2 ground; note 1
3 clock output in loop mode (differential)
4 inverted clock output in loop mode (differential)
5 ground; note 1
6 data output in loop mode (differential)
7 inverted data output in loop mode (differential)
8 ground; note 1
9 reference frequency select input 1 (see Table 2)
10 ground; note 1
11 ground; note 1
12 phase lock detection output
13 internally connected; note 2
14 ground; note 1
15 external loop filter capacitor connection
16 external loop filter capacitor return connection
17 ground; note 1
18 internally connected; note 2
19 internally connected; note 2
20 ground; note 1
21 reference clock input (differential)
22 inverting reference clock input (differential)
23 ground; note 1
24 reference frequency select input 2 (see Table 2)
25 negative supply voltage (−3.3 V); note 3
26 ground; note 1
27 STM mode select input 1 (see Table 3)
28 STM mode select input 2 (see Table 3)
29 ground; note 1
30 STM mode select input 3 (see Table 3)
31 negative supply voltage (−3.3 V); note 3
32 ground; note 1
33 data input (differential)
34 inverting data input (differential)
35 ground; note 1
36 internally connected; note 2
37 control output for negative power supply
38 ground; note 1
39 loss of signal detection output
40 internally connected; note 2
1999 May 27
4
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