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U3750BM 参数 Datasheet PDF下载

U3750BM图片预览
型号: U3750BM
PDF下载: 下载PDF文件 查看货源
内容描述: 单芯片电话线路 [One Chip Telephone Circuit]
分类和应用: 电信电路电话电路
文件页数/大小: 20 页 / 206 K
品牌: TEMIC [ TEMIC SEMICONDUCTORS ]
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U3750BM  
TELEFUNKEN Semiconductors  
Parameters  
Serial bus (see figure 12)  
Pulse width clock  
Pulse width enable signal  
Set-up time data to clock  
Hold time data from clock  
Enable time  
Time between two trans-  
missions  
Test Conditions / Pins  
Symbol  
t , t  
Min.  
Typ.  
Max.  
Unit  
2
2
0
100  
0
900  
s
s
s
s
s
s
wl wh  
t , t  
el eh  
t
set up  
t
e
t
RRN  
Pulse dialing (OL)  
Dialing pulse frequency  
In mode 60/40 (Pin 4 tied to  
RESET)  
In mode 66/33 (Pin 4 not  
connected)  
10  
Hz  
Hz  
10.11  
Dialing pulse period  
Break time  
T
t
100  
98.9  
60  
66  
40  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
OL  
t
b
Make time  
m
33  
Interdigit time  
Transmission mute:  
t
830  
813  
[n 100  
+ 30]  
[n 98.8  
+ 22]  
833  
816.5  
(n 100)  
+ 32  
(n 98.9)  
+ 24.2  
IDOL  
t
= (t + t ) n + t  
mol  
m b m1  
n pulses dialling  
ms  
Flash pulse  
Flash pulse duration  
Pin 3 to GND Pin 4 to RESET  
Pin 3 to GND Pin 4 to NC  
Pin 3 to GND Pin 4 to GND  
Pin 3 to NC Pin 4 to RESET  
Pin 3 to NC Pin 4 to NC  
Pin 3 to NC Pin 4 to GND  
Pin 3 to RESET Pin 4 to RE-  
SET  
Pin 3 to RESET Pin 4 to NC  
Pin 3 to RESET Pin 4 to GND  
In mode 60/40  
In mode 66/33  
In mode DTMF  
t
89.5  
98.5  
92  
101  
105  
242  
266  
277  
112  
123  
128  
832  
815.5  
848.5  
fl  
102.5  
239.5  
263.5  
274.0  
109.5  
120.5  
125.0  
830  
ms  
Transmission mute  
Pause time  
tm  
fl  
813  
846  
In mode 60/40  
In mode 66/33  
In DTMF mode  
3116  
3075  
3012  
3118  
3077  
3110  
T
ms  
p
Rev. A1: 16.07.1996  
11 (20)