參數(shù)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(shù)字網(wǎng)S / T的接口收發(fā)器
文件頁數(shù): 126/164頁
文件大?。?/td> 1072K
代理商: MC145574
MC145574
18–4
MOTOROLA
Ref. No.
Parameter
Min
Max
Unit
Note
14
FSC Period
125
μ
s
1
15
FSC High Before the Falling Edge of DCL (FSC Setup Time)
25
ns
16
FSC High After the Falling Edge of DCL (FSC Hold Time)
25
ns
17
Delay From Rising Edge of DCL to Low–Z and Valid Data on
Dout
30
ns
18
Delay From Rising Edge of DCL to Data Valid on Dout
Delay From Rising Edge of DCL to High–Z on Dout
Delay From Rising Edge of DCL to TSEN Low
30
ns
19
5
30
ns
20
30
ns
2
21
Delay From Rising Edge of DCL to TSEN High
30
ns
22
DCL Clock Period
244
1953
ns
3
23
DCL Pulse Width High
45
55
% of DCL
Period
24
DCL Pulse Width Low
45
55
% of DCL
Period
25
Data Valid on Din Before Falling Edge of DCL (Din Setup Time)
Data Valid on Din After Falling Edge of DCL (Din Hold Time)
25
ns
26
25
ns
NOTES:
1. FSC occurs on average every 125
μ
s. FSC must occur every 125
μ
s with a maximum instantaneous phase titter of
±
30
μ
s.
2. In IDL2 8– and 10–bit formats, TSEN is valid during the B1, B2, and D channel timeslots. TSEN will be aligned with data
on the Dout pin.
3. In IDL2 Slave mode, DCL may be any frequency multiple of 8 kHz between 256 kHz and 4.096 MHz inclusive.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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