參數(shù)資料
型號(hào)： MT9040AN
廠(chǎng)商： ZARLINK SEMICONDUCTOR INC
元件分類(lèi)： 通信及網(wǎng)絡(luò)
英文描述： T1/E1 Synchronizer
中文描述： SPECIALTY TELECOM CIRCUIT, PDSO48
封裝： 0.300 INCH, MO-118AA, SSOP-48
文件頁(yè)數(shù)： 2/27頁(yè)
文件大?。?/td> 424K
代理商： MT9040AN
MT9040
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 MT9040. 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 9.
3,4,5,
38,43
IC
Internal Connection.
Leave open circuit.
6
REF
Reference (Input).
This is the input reference source (falling edge) used for synchronization.
One of four possible frequencies (8kHz, 1.544MHz, 2.048MHz or 19.44MHz) may be used.
7,17
28,35
V
DD
Positive Supply Voltage.
+3.3V
DC
nominal.
8
OSCo
Oscillator Master Clock (CMOS Output).
For crystal operation, a 20MHz crystal is
connected from this pin to OSCi, see Figure 6. Not suitable for driving other devices. For clock
oscillator operation, this pin is left unconnected, see Figure 5.
9
OSCi
Oscillator Master Clock (CMOS Input).
For crystal operation, a 20MHz crystal is connected
from this pin to OSCo, see Figure 6. For clock oscillator operation, this pin is connected to a
clock source, see Figure 5.
11
F16o
Frame Pulse ST-BUS 8.192 Mb/s (CMOS Output).
This is an 8kHz 61ns active low framing
pulse, which marks the beginning of an ST-BUS frame. This is typically used for ST-BUS
operation at 8.192 Mb/s. See Figure 11.
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
IC
IC
MS
Vdd
IC
IC
NC
Vss
IC
IM
Vdd
C6o
C16o
RST
IC
IC
REF
Vdd
OSCo
OSCi
Vss
F16o
F0o
TSP
F8o
C1.5o
Vdd
LOCK
C2o
C4o
C19o
FLOCK
Vss
48
TMS
TCK
V
SS
C8o
IC
MT9040AN
RSP
IC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9040AN1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 3.3V 48SSOP - Rail/Tube
MT9040ANR1 制造商:Microsemi Corporation 功能描述:FRAMER E1 /T1 3.3V 48SSOP - Tape and Reel
MT9041 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:Multiple Output Trunk PLL
MT9041AP 制造商:Microsemi Corporation 功能描述:WAN/PLL 制造商:Zarlink Semiconductor Inc 功能描述:WAN/PLL
MT9041B 制造商:MITEL 制造商全稱(chēng):Mitel Networks Corporation 功能描述:T1/E1 System Synchronizer
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