參數(shù)資料
型號(hào): AK2305
廠(chǎng)商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): Codec
英文描述: Dual PCM CODEC for ISDN TERMINAL ADAPTER
中文描述: 雙PCM編解碼器的ISDN終端適配器
文件頁(yè)數(shù): 37/43頁(yè)
文件大?。?/td> 481K
代理商: AK2305
ASAHI K ASEI [AK 2305]
C0029-E-02 1999/8
Serial Interface Timing
Parameter
Symbol
Min
Typ
Max
Unit Ref fig
SCLK Frequency
1/t
PSCLK
4
MHz
SCLK Pulse Width High
t
WSH
40
ns
SCLK Pulse Width Low
t
WSL
40
ns
CS
Pulse Width Low
t
WCL
14
SCLK
Hold Time: SCLK High to
CS
Low
t
HCS
80
ns
Setup Time:
CS
Low to SCLK High
t
SCS
40
ns
Rising Time:
CS
,SCLK
t
R
100
ns
Falling Time:
CS
,SCLK
t
F
100
ns
Fig.6
W R I T E
Setup Time: DATA to SCLK High
t
SDC
40
ns
Hold Time: SCLK High to DATA
t
HDC
40
ns
Hold Time: SCLK Low to
CS
High
t
HCS2
0
ns
Fig.6
R E A D
Delay Time: SCLK Low to DATA pin drive
t
DVD
0
ns
Delay Time: SCLK Low to DATA valid
t
DDD
60
ns
Fig.7
Delay Time: SCLK Low to DATA High-Z
t
DZSD
0
60
ns
Delay Time:
CS
High to DATA High-Z
t
DZCD
0
60
ns
CS
Pulse Width High
t
WCH
40
ns
Fig.8
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