參數(shù)資料
型號(hào): MC145423DT
廠商: Freescale Semiconductor
文件頁數(shù): 8/15頁
文件大?。?/td> 0K
描述: IC TXRX UDLT/ISDN 28TSSOP
標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 管件
MC145423
TELECOMMUNICATIONS
2
PIN ASSIGNMENT
28-PIN SOIC/TSSOP PACKAGES
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VDD
MASTER/SLAVE
LO1
LO2
Rx
RE2/BCLK
RE1/CLKOUT
LI SENS/2.048 MHz
TDC-RDC/XTALout
CCI/XTALin
MSI/TONE
EN1-TE1
EN2-TE2/SIE/B1B2
Tx
VSS
Vref
LI
LB
VD
SDI1
SDI2
FRAME 10/20
SDCLK/8kHz
SDO1
SDO2
SE/(Mu/A)
PD
MOD TRI/SQ
TELECOMMUNICATIONS
3
MC145423
BLOCK DIAGRAM
CCI/XTALIn
LO1
SEQUENCE
AND
CONTROL
LO2
B1
B2
D1
D2
OSC
SE
LATCH
SE
LATCH
SE
LATCH
D2 BUFFER
D1 BUFFER
B2 BUFFER
B1 BUFFER
B1
B2
D1
D2
D2 BUFFER
D1 BUFFER
B2 BUFFER
B1 BUFFER
M
O
DUL
A
T
OR
REGISTER
LOGIC
VD
CONTROL
CLKOUT
BCLK
Mu/A
TDC/RDC
BC
LK
SE
LATCH
(TDC-RDC)/
XTALout
MSI/TONE
MOD TRI/SQ
FRAME 10/20
LI SENS/
2.048 MHz
MASTER/
SLAVE
VD
LI
Vref
SDCLK/8kHz
SDI2
SDI1
RE2/
BCLK
Rx
RE1/
CLKOUT
SE/
(Mu/A)
LB
PD
SDO2
SDO1
Tx
EN2-TE2/
SIE
EN1-TE1
DE
MO
DUL
A
T
OR
REGISTER
LOGIC
EN2-TE2
EN1-TE1
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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