OQ2541HP NXP Semiconductors, OQ2541HP Datasheet - Page 27

• Manufacturer Part Number: OQ2541HP
• Manufacturer: NXP Semiconductors

Specifications of OQ2541HP

• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Philips Semiconductors
1999 May 27
handbook, full pagewidth
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
(1) (1) All pins GND must be connected directly to V
(2) L1 = RF choke type Murata BLM21.
(3) The loop mode outputs are used as main outputs:
Fig.29 Application diagram showing the OQ2541 configured for the STM16/OC48 mode (2488.32 Mbits/s) with
pin ENL = HIGH-level selects loop mode outputs
pin ENL = LOW-level selects loop mode and normal mode outputs simultaneously.
a positive supply voltage application.
system clock
100 nF
39 MHz
PRE-
AMP
V CC
100 nF
CAPDOQ
CAPUPQ
DREF19
DREF39
CREFQ
CREF
i.c.
DINQ
DIN
15
16
33
34
21
22
9
24
5
17
V CC
13, 18, 19,
36, 40
CC
GND
on the PCB plane of +5 V (pins 2, 5, 8, 10, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44 and 47).
V CC
(1)
2
100
nF
OQ2541
25
V EE1
k
1
31
V EE2
27
2
> 100
k
1
37
PC
39
12
42
43
45
46
48
27
28
30
3.3
nF
6
7
3
4
1
V CC
LOS
LOCK
DOUT
DOUTQ
COUT
COUTQ
DLOOP
DLOOPQ
CLOOP
CLOOPQ
ENL
AREF
DOUT1250
DOUT622
DOUT155
1 F
V CC
L1
OQ2541HP; OQ2541U
(2)
10 k
MGL663
LOS
normal
V CC
output
output
output
select
loop
V CC
10 k
=
=
LOCK
main
output
unused
output
Product specification
(3)