參數(shù)資料
型號(hào)： MT9043
廠商： Zarlink Semiconductor Inc.
英文描述： T1/E1 System Synchronizer
中文描述： T1/E1的系統(tǒng)同步
文件頁(yè)數(shù)： 2/29頁(yè)
文件大?。?/td> 453K
代理商： MT9043
MT9043
Data Sheet
2
Zarlink Semiconductor Inc.
Figure 2 - Pin Connections
Pin Description
Pin #
Name
Description
1,10,
23,31
V
SS
Ground.
0 Volts. (Vss pads).
2
RST
Reset (Input).
A logic low at this input resets the MT9043. To ensure proper operation, the
device must be reset after reference signal frequency changes and power-up. The RST
pin should be held low for a minimum of 300ns. While the RST pin is low, all frame pulses
except RST and TSP and all clock outputs except C6o, C16o and C19o are at logic high.
The RST, TSP, C6o and C16o are at logic low during reset. The C19o is free-running
during reset. Following a reset, the input reference source and output clocks and frame
pulses are phase aligned as shown in Figure 12.
3
TCLR
TIE Circuit Reset (Input).
A logic low at this input resets the Time Interval Error (TIE)
correction circuit resulting in a realignment of input phase with output phase as shown in
Figure 13. The TCLR pin should be held low for a minimum of 300ns. This pin is internally
pulled down to VSS.
4
IC
Internal Connection.
Leave open circuit.
5
SEC
Secondary Reference (Input).
This is one of two (PRI & SEC) input reference sources
(falling edge) used for synchronization. One of four possible frequencies (8kHz, 1.544MHz,
2.048MHz or 19.44MHz) may be used. The selection of the input reference is based upon the
MS, and RSEL, control inputs.This pin is internally pulled up to V
DD
.
Primary Reference (Input).
See pin description for SEC. This pin is internally pulled up to
V
DD
.
Positive Supply Voltage.
+3.3V
DC
nominal.
6
PRI
7,17
28,35
V
DD
8
OSCo
Oscillator Master Clock (CMOS Output).
For crystal operation, a 20MHz crystal is
connected from this pin to OSCi, see Figure 9. Not suitable for driving other devices. For
clock oscillator operation, this pin is left unconnected, see Figure 8.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
TRST
TDI
TDO
IC
IC
FS1
FS2
IC
RSEL
IC
MS
Vdd
IC
IC
NC
Vss
IC
IM
Vdd
C6o
C16o
RST
TCLR
IC
SEC
PRI
Vdd
OSCo
OSCi
Vss
F16o
F0o
TSP
F8o
C1.5o
Vdd
LOCK
C2o
C4o
C19o
FLOCK
Vss
48
TMS
TCK
V
SS
C8o
IC
MT9043AN
RSP
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PDF描述
MT9043AN T1/E1 System Synchronizer
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9043AN 制造商:Microsemi Corporation 功能描述:
MT9043AN1 制造商:Microsemi Corporation 功能描述:PB FREE T1/E1 SYSTEM SYNCHRONIZER 制造商:Microsemi Corporation 功能描述:FRAMER E1/T1 3.3V 48SSOP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER T1/E1 48SSOP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER T1/E1 48SSOP
MT9043AN48PINSSOP 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 System Synchronizer
MT9043ANR1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 3.3V 48SSOP - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER T1/E1 48SSOP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER T1/E1 48SSOP
MT9044 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/E1/OC3 System Synchronizer
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