參數(shù)資料
型號： MC145423DT
廠商： Freescale Semiconductor
文件頁數(shù)： 14/15頁
文件大?。?/td> 0K
描述： IC TXRX UDLT/ISDN 28TSSOP
標準包裝： 50
類型： 收發(fā)器
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
供應商設備封裝： 28-TSSOP
包裝： 管件
MC145423
TELECOMMUNICATIONS
14
SOIC PACKAGE PINOUT COMPARISON
UDLT-3 PINOUT VERSUS MC145421DW/22DW/25DW/26DW
(UDLT-1/UDLT-2 MASTER/SLAVE) PINOUT
UDLT-3
MC145423
UDLT-1 Master
MC145422
UDLT-1 Slave
MC145426
UDLT-2 Master
MC145421
UDLT-2 Slave
MC145425
Pin
No.
Pin
Name
Pin
No.
Pin
Name
Pin
No.
Pin
Name
Pin
No.
Pin
Name
Pin
No.
Pin
Name
1VSS
2Vref
3LI3LI
3LI
4LB
5LB
4LB
5VD
6
VD
6VD
5
VD
5VD
6SDI17
SI1
7
SI1
6
D1I
6
DI1
7SDI29
SI2
9
SI2
7
D2I
7
DI2
8
FRAME 10/20
Logic 0
Logic 1
9
SDCLK/8kHz
High Impedance
SDCLK
8
DCLK
8
DCLK
10
SDO1
8
SO1
8
SO1
9
D1O
9
D1O
11
SDO2
10
SO2
10
SO2
10
D2O
10
D2O
12
SE/(Mu/A)
11
SE
11
Mu/A
11
SE
11
(Mu/A)
13
PD
12
PD
12
PD
12
PD
12
PD
14
MOD TRI/SQ
Logic 0
Logic 1
15
Tx
16
Tx
15
Tx
13
Tx
13
Tx
16
EN2-TE2/SIE/
B1B2
14
SIE
B1B2
Logic 0
14
TE2
14
EN2
17
EN1-TE1
15
TE1
14
TE1
15
TE1
15
EN1
18
MSI/TONE
13
MSI
13
(Tone) TE
16
MSI
16
TONE
19
CCI/XTALin
17
CCI
16
(XTALin) X1
17
CCI
17
(XTALin) CCI
20
TDC-RDC/
XTALout
18
TDC/RDC
17
(XTALout) X2
18
TDC/RDC
18
(XTALout) XTL
21
LI SENS/
2.048 MHz
Logic 0
LI SENS
2.048 MHz Out
Logic 0
LI SENS
2.048 MHz Out
22
RE1/CLKOUT
20
RE1
20
RE1
19
RE1
19
CLKOUT
23
RE2/BCLK
High Impedance
18
(BCLK) CLK
20
RE2
20
BCLK
24
Rx
19
Rx
19
Rx
21
Rx
21
Rx
25
LO2
22
LO2
22
LO2
22
LO2
22
LO2
26
LO1
23
LO1
23
LO1
23
LO1
23
LO1
27
MASTER/
SLAVE
Logic 0
Logic 1
Logic 0
Logic 1
28
VDD
24
VDD
24
VDD
24
VDD
24
VDD
TELECOMMUNICATIONS
15
MC145423
MC145423 UDLT-3 PIN STATES FOR UDLT-1 SLAVE MODE
MC145423
UDLT-1 Slave Mode
Powered-Up
UDLT-1 Slave Mode Powered-Down
TONE = 0, Off
TONE = 1, On
Pin
No.
Pin
Name
In/out
Normal
LB Low
No Valid
Burst Rec’d
Valid
Burst Rec’d
No Valid
Burst Rec’d
Valid
Burst Rec’d
1VSS
Power
Power Supply
Gnd
Power Supply
Gnd
Power Supply
Gnd
Power Supply
Gnd
Power Supply
Gnd
Power Supply
Gnd
2Vref
Analog
Ref
AGND
VDD/2
AGND
VDD/2
AGND
VDD/2
AGND
VDD/2
AGND
VDD/2
AGND
VDD/2
3
LI
Input
Analog In
4LB
Input
1
0
Don’t Care
5
VD
Output
Digital Out
VD = 0
VD = 1
VD = 0
VD = 1
6
SDI1
Input
8 kbps
Data In
8 kbps
Data In
Don’t Care
7
SDI2
Input
8 kbps
Data In
8 kbps
Data In
Don’t Care
8FRAME
10/20
Input
000000
9SDCLK/
8kHz
Output
SDCLK/8kHz
High-Z,
Not Used
High-Z,
Not Used
High-Z,
Not Used
High-Z,
Not Used
10
SDO1
Output
8 kbps
Data Out
8 kbps
Data Out
Data Not
Changed
8 kbps
Data Out
Data Not
Changed
8 kbps
Data Out
11
SDO2
Output
8 kbps
Data Out
8 kbps
Data Out
Data Not
Changed
8 kbps
Data Out
Data Not
Changed
8 kbps
Data Out
12
SE/(Mu/A)
Input
1= Mu,
0 = A
1= Mu,
0 = A
1= Mu,
0 = A
1= Mu,
0 = A
1= Mu,
0 = A
1= Mu,
0 = A
13
PD
I/O
110000
14
MOD
TRI/SQ
Input
000000
15
Tx
Output
64 kbps
Data Out
64 kbps
Data Out
High
Impedance
64 kbps
Data Out
64 kbps
PCM Tone
64 kbps
PCM Tone
16
EN2-TE2/
SIE/B1B2
Input
1/0 B1B2
17
EN1-TE1
Output
EN1 = 8 kHz
EN1 = 0
EN1 = 8 kHz
18
MSI/
TONE
Input
1/0 TONE
TONE = 0
TONE = 1
19
CCI/
XTALin
Input
XTALin
4.096 MHz
XTALin
4.096 MHz
XTALin
4.096 MHz
XTALin
4.096 MHz
XTALin
4.096 MHz
XTALin
4.096 MHz
20
TDC-RDC/
XTALout
Output
XTALout
4.096 MHz
XTALout
4.096 MHz
XTALout
4.096 MHz
XTALout
4.096 MHz
XTALout
4.096 MHz
XTALout
4.096 MHz
21
LI SENS/
2.048 MHz
Output
2.048 MHz
22
RE1/
CLKOUT
Output
RE1 = 8 kHz
RE1 = 1
RE1 = 8 kHz
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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