Model Name NW36M25LA

Frequency Controlled Crystal Oscillator (FCXO)

Advanced Stratum3 Module

co33_080205_NW36M25LA_e1

Current Consumption

Operating Temp. Range

Input Levels

Input Reference Frequency

Output Levels

Output Frequency 1

Output Frequency 2,3

Free-run accuracy

Holdover accuracy

PLL bandwidth (user programmable)

Item

Model

* Module markings may be changed without notice.

SONET, SDH, FTTH, Communications equipment

Frequency Timing and Translation Modules

l Four inputs, Stratum 3 solution for the Synchronous Timing Source in SONET/SDH

network elements.

l Accepts 4 reference inputs in 9 steps from 8 kHz to 77.76 MHz (See specification below)

l Compliant with Telecordia GR1244CORE, GR253 and ITU-T G.812 / G.813.

l Hit-less reference switching.

l Frequency ramp control during reference switching.

l Supports Master / Slave operation

l Three output signals: one selectable (See specification below) up to 77.76 MHz, one

fixed at 8 kHz and 1.544 MHz or 2.048 MHz BITS output.

+3.3 V DC ±5%

150 mA typ

0 to +70°C

4-CMOS

8 kHz, 1.544 MHz, 2.048 MHz, 12.96 MHz, 19.44 MHz, 25.92 MHz, 38.88 MHz, 51.84 MHz or 77.76 MHz

Three CMOS outputs

OUTPUT 1: 12.96 MHz, 19.44 MHz, 25.92 MHz, 38.88 MHz, 51.84 MHz or 77.76 MHz

M/S_OUT: 8 kHz, BITS_CLK: 1.544 MHz or 2.048 MHz

0.025 Hz to 1.6 Hz

NW36M25LA

mm

36.83±0.5

1.0±0.1

6.0max

21.59±0.3

3.18±0.3

33.02±0.2

0.457±0.13

2.54±0.2

1

14

15

28

25.4±0.5

Output frequency (MHz)

OUTPUT 1: One selectable up to 77.76 MHz

Ordering Code

NW36M25LA-[

]-NSA3437A

[

]: OUTPUT1 frequency to order.

For example, in 19.44 MHz case,

NW36M25LA-19.44M-NSA3437A

NEW

PAD No.

#1

#2

#3

#4

#5

#6

#7

#8

#9

#10

#11

#12

#13

#14

Connection

LOS

LOL

M/S REF

REF1

REF2

REF3

REF4

TDI

TMS

TRST

BITS_CLK

M/S_OUT

OUTPUT1

NC

PAD No.

#15

#16

#17

#18

#19

#20

#21

#22

#33

#24

#25

#26

#27

#28

Connection

NC

T1/E1

HOLD/GOOD

TDO

TCK

GND

SPI_ENBL

SPI_IN

VCC

SPI_ENBL

RESET

SPI_OUT

SPI_INT

MASTER SELECT