參數(shù)資料
型號(hào): MT88E41AS
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 無(wú)繩電話/電話
英文描述: CMOS Extended Voltage Calling Number Identification Circuit (ECNIC)
中文描述: TELEPHONE CALLING NO IDENT CKT, PDSO16
封裝: SOIC-16
文件頁(yè)數(shù): 13/16頁(yè)
文件大小: 888K
代理商: MT88E41AS
MT88E41
Data Sheet
SEMICMF.019
12
Figure 9 - Input and Output Timing (Bellcore CND Service)
First Ringing
Input FSK
Data
Second
Ringing
2 sec
channel seizure
Mark state
checksum
TIP/RING
PWDN
OSC2
CD
*
DATA
DCLK
DR
*
High (Input Idle)
* with external pull-up resistor
t
PU
500ms
(min)
t
IAL
200ms
(min)
t
PD
t
IAH
High (Input Idle)
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