參數資料
型號: MC145574
廠商: Motorola, Inc.
英文描述: ISDN S/T-Interface Transceiver
中文描述: 綜合業(yè)務數字網S / T的接口收發(fā)器
文件頁數: 125/164頁
文件大?。?/td> 1072K
代理商: MC145574
MC145574
18–3
MOTOROLA
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and
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Ref. No.
Parameter
Min
Typ
Max
Unit
Note
1
FSC Period
125
125
μ
s
1
2
Delay From the Rising Edge of DCL to the Rising Edge of FSC
30
ns
3
Delay From the Rising Edge of DCL to the Falling Edge of FSC
30
ns
4
DCL Clock Period
391
1953
ns
2
5
DCL Pulse Width High, Nominal
512 kHz
1.536 MHz
2.048 MHz
2.56 MHz
878
293
220
175
1074
358
265
215
ns
3
6
DCL Pulse Width Low
45
55
% of
DCL
Period
7
Delay From Rising Edge of DCL to Low–Z and Valid Data on
Dout
30
ns
8
Delay From Rising Edge of DCL to Data Valid on Dout
Delay From Rising Edge of DCL to High–Z on Dout
Data Valid on Din Before Falling Edge of DCL (Din Setup Time)
Data Valid on Din After Falling Edge of DCL (Din Hold Time)
Delay From Rising Edge of DCL to TSEN Low
5
30
ns
9
30
ns
10
25
ns
11
25
ns
12
30
ns
4
13
Delay From Falling Edge of DCL to TSEN High
30
ns
NOTES:
1. FSC occurs on average every 125
μ
s.
2. The DCL frequency may be 512 kHz, 1.536 MHz, 2.048 MHz, or 2.56 MHz.
3. The duty cycle of DCL is between 45% and 55% when operated in Master Timing mode.
4. In IDL 8– and 10–bit formats, TSEN can be valid during the B1, B2, and D channel timeslots.
TSEN
Din
Dout
DCL
FSC
1
4
3
5
6
7
8
9
11
10
12
13
2
Figure 18–1. IDL2 Master Timing, 8– and 10–Bit Formats
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關PDF資料
PDF描述
MC14559BDWR2 Successive Approximation Registers
MC14559B Successive Approximation Registers
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MC1455 Timing Circuit
MC1455BD Timing Circuit
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