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NW36M25LA 반도체 회로 부품 판매점

Frequency Controlled Crystal Oscillator



NIHON DEMPA KOGYO 로고
NIHON DEMPA KOGYO
NW36M25LA 데이터시트, 핀배열, 회로
Frequency Timing and Translation Modules NEW
Model Name NW36M25LA
Frequency Controlled Crystal Oscillator (FCXO)
Advanced Stratum3 Module
n Main Application
SONET, SDH, FTTH, Communications equipment
n Features
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.
* Module markings may be changed without notice.
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.
n Specifications
Item Model
NW36M25LA
Supply Voltage (VCC)
+3.3 V DC ±5%
Current Consumption
150 mA typ
Operating Temp. Range
0 to +70°C
Input Levels
4-CMOS
Input Reference Frequency
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
Output Levels
Three CMOS outputs
Output Frequency 1
OUTPUT 1: 12.96 MHz, 19.44 MHz, 25.92 MHz, 38.88 MHz, 51.84 MHz or 77.76 MHz
Output Frequency 2,3
M/S_OUT: 8 kHz, BITS_CLK: 1.544 MHz or 2.048 MHz
Free-run accuracy
±4.6×10−6 max.
Holdover accuracy
±0.37×10−6 max.
PLL bandwidth (user programmable)
0.025 Hz to 1.6 Hz
n List of Ordering Codes
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
n Dimensions
36.83±0.5
28
15
25.4±0.5
mm
21.59±0.3
1
www.DataSheet4U.com
14 3.18±0.3
6.0max
0.457±0.13
33.02±0.2
1.0±0.1
2.54±0.2
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. Connection
#15 NC
#16 T1/E1
#17 HOLD/GOOD
#18 TDO
#19 TCK
#20 GND
#21 SPI_ENBL
#22 SPI_IN
#33 VCC
#24 SPI_ENBL
#25 RESET
#26 SPI_OUT
#27 SPI_INT
#28 MASTER SELECT
co33_080205_NW36M25LA_e1




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NW36M25LA oscillator

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NW36M25LA

Frequency Controlled Crystal Oscillator - NIHON DEMPA KOGYO