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SM3-077.76M bảng dữ liệu(PDF) 3 Page - Connor-Winfield Corporation

tên linh kiện SM3-077.76M
Giải thích chi tiết về linh kiện  ULTRA MINIATURE STRATUM 3 MODULE
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nhà sản xuất  CONNOR-WINFIELD [Connor-Winfield Corporation]
Trang chủ  http://www.conwin.com
Logo CONNOR-WINFIELD - Connor-Winfield Corporation

SM3-077.76M bảng dữ liệu(HTML) 3 Page - Connor-Winfield Corporation

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Data Sheet #: TM052
Page 3 of 36
Rev: 03
Date: 11/07/08
© Copyright 2008 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Specifications for Ultra Miniature Stratum 3
Table 1
Parameter
Specification
Voltage
3.3V ± 5%
Power
< 500 mW
Operating Temp Range
0° - 70°C
Reference Frequency 1, 2, 3, 4
8 kHz - 77.76 MHz (Auto Detected)
CMOS Output Frequency #1
12.96 MHz - 77.76 MHz
M/S Output
8 kHz
BITS_Clk
1.544/2.048 MHz (Selectable)
Master/Slave Input Reference
8 kHz - 77.76 MHz
Input Reference Pulse Width
10 ns Min @ 8 kHz, 5 ns Min @ >8 kHz
Reference Qualification Time
10 sec.
Input Capacitance (LVCMOS)
10 pF
Output Drive Levels (LVCMOS)
Source Current: 7 mA, Sink Current: 10 mA
Free Run Accuracy
4.6 ppm
Hold Over Accuracy
0.37 ppm
Dimensions
1.45 x 1.0 x 0.25 inches (36.83 x 25.4 x 6.35 mm)
Pin Description
Table 2
Pin #
I/O
Pin Name
Pin Description
1
O
LOS
Alarm output - Loss of Active Reference Signal
2
O
LOL
Alarm Output - Loss of Lock
3
I
M/S REF
Master/Slave reference input – 8 kHz to 77.76 MHz auto detected
4
I
REF1
Reference Input 1 – 8 kHz to 77.76 MHz auto detected
5
I
REF2
Reference Input 2 – 8 kHz to 77.76 MHz auto detected
6
I
REF3
Reference Input 3 – 8 kHz to 77.76 MHz auto detected
7
I
REF4
Reference Input 4 – 8 kHz to 77.76 MHz auto detected
8
TDI
JTAG TDI pin
9
TMS
JTAG TMS pin
10
TRST
JTAG TRST pin
11
O
BITS_CLK
1.544 or 2.048 MHz output selected by pin 16
12
O
M/S_OUT
Master/Slave 8 kHz output
13
O
OUTPUT1
Synchronous Primary Output
14
I
VPP
Positive Programming Supply Pin. During normal operation it is
recommended to float this pin.
15
I
VPN
Negative Programming Supply Pin. During normal operation it is
recommended to float this pin.
16
I
T1/E1
BITS_CLK select input – 1=1.544 MHz, 0=2.048 MHz
17
O
HOLD_GOOD
Holdover Good Output Flag – 1=Holdover Available
18
TDO
JTAG TDO pin
19
TCK
JTAG TCK pin
20
GND
Module Ground
21
I
SPI_CLK
SPI Port Clock input
22
I
SPI_IN
SPI Port Data input
23
VCC
3.3 Vdc VCC Supply Input
24
I
SPI_ENBL
SPI Port Enable input – Active Low
25
I
RESET
Module Reset – Active Low, 10 ms Hold time
26
O
SPI_OUT
SPI Port Data Output
27
O
SPI_INT
SPI Port Interrupt Output – Active Low
28
I
MASTER SELECT
Master/Slave select input – 1=Master, 0=Slave


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