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參數(shù)資料
| 型號： | MT90401AB |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 150MA LOW-DROPOUT VOLTAGE REGULATOR SO-8 PKG |
| 中文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, MS-026BEC, LQFP-80 |
| 文件頁數(shù)： | 4/38頁 |
| 文件大?。?/td> | 650K |
| 代理商： | MT90401AB |
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MT90401
Data Sheet
4
Zarlink Semiconductor Inc.
22
E3/DS3
E3 or DS3 Selection (Input).
In Hardware Mode a low on this pin selects a clock rate of
44.736 MHz for the C34/C44 pin, while a high selects a clock rate of 34.368 MHz. This pin
performs no function if the device is not in hardware mode.
23
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,
1.544 MHz, 2.048 MHz or 19.44 MHz) may be used. In hardware mode the selection of the
input reference is based upon the MS1, MS2 and RSEL control inputs.
24
PRI
Primary Reference (Input).
This is one of two (PRI & SEC) input reference sources
(falling edge) used for synchronization. One of four possible frequencies (8 kHz,
1.544 MHz, 2.048 MHz or 19.44 MHz) may be used. In hardware mode the selection of the
input reference is based upon the MS1, MS2 and RSEL control inputs.
25
V
SS2
IC
Digital ground.
0 Volts
26
Internal Connection.
Leave unconnected
27
V
SS3
V
DD2
V
DD
C155N,
C155P
Analog ground.
0 Volts
28
Positive Analog Power Supply.
Analog supply.
29
Positive Power Supply.
Digital supply.
30
31
LVDS 155.52 MHz (Output)).
Differential outputs generating a 155.52 MHz clock
32
V
SS4
VREF
Digital ground.
0 Volts
33
LVDS Reference Voltage (Input).
34
Tdo
IEEE 1149.1a Test Data Output (Output).
If not used, this pin should be left unconnected.
35
Tms
IEEE 1149.1a Test Mode Selection (Input)
. If not used, this pin should be pulled high.
36
Tclk
IEEE 1149.1a Test Clock Signal (Input)
. If not used, this pin should be pulled high.
37
Trst
IEEE 1149.1a Reset Signal (Input).
If not used, this pin should be held low.
38
Tdi
IEEE 1149.1a Test Data Input (Input).
If not used, this pin should be pulled high.
39
FS2
Frequency Select 2 (Input).
This input, in conjunction with FS1, selects which of four
possible frequencies (8 kHz, 1.544 MHz, 2.048 MHz or 19.44 MHz) may be input to the PRI
and SEC inputs. For more details see FS2 bit description in Table 6 - Control Register 1
(Address 00H - Read/Write).
40
FS1
Frequency Select 1 (Input).
This input, in conjunction with FS2, selects which of four
possible frequencies (8 kHz, 1.544 MHz, 2.048 MHz or 19.44 MHz) may be input to the PRI
and SEC inputs. For more details see FS1 bit description in Table 6 - Control Register 1
(Address 00H - Read/Write).
41
PRIOOR
Primary Reference Out Of Range (CMOS Output).
A logic high at this pin indicates that
the primary reference is off the PLL center frequency by more than 12 ppm. The
measurement is done on a 1 second basis using a signal derived from the 20 MHz clock
input on C20i. When the accuracy of the 20 MHz clock is
±
4.6 ppm, the effective out of
range limits of the PRIOOR signal will be
+
16.6 ppm to -7.4 ppm or +7.4 ppm to -16.6 ppm.
42
C1.5o
Clock 1.544 MHz (CMOS Output).
This output is used in T1 applications.
43
C6
Clock 6.312 MHz (CMOS Output).
This output is used for DS2 or J2 applications.
44
IC
Internal Connection.
Tie low for normal operation.
Pin Description (continued)
Pin #
Name
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT90401AB1 | SONET/SDH System Synchronizer |
| MT9040 | T1/E1 Synchronizer |
| MT9040AN | T1/E1 Synchronizer |
| MT9043 | T1/E1 System Synchronizer |
| MT9043AN | T1/E1 System Synchronizer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90401AB1 | 制造商:Microsemi Corporation 功能描述:FRAMER SDH/SONET 3.3V 80LQFP EP - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SYNCHRONIZER SONET/SDH 80LQFP 制造商:Microsemi Corporation 功能描述:IC SYNCHRONIZER SONET/SDH 80LQFP |
| MT9040AN | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 Synchronizer |
| 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:Mitel Networks Corporation 功能描述:Multiple Output Trunk PLL |
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