參數(shù)資料
型號: U4090B-NFN
英文描述: Low power dual voltage comparators
中文描述: 電話線路(支援)
文件頁數(shù): 2/34頁
文件大小: 622K
代理商: U4090B-NFN
2
U4090B-N
4740A–CORD–09/03
Figure 1.
Block Diagram
Figure 2.
Detailed Block Diagram
MC with
EEPROM/
DTMF
Audio
amplifier
Speech
circuit
Voice
switch
Tone
ringer
Loudhearing
and
Tone ringing
G
S
V
L
I
A
I
S
G
P
L
R
T
R
S
S
R
G
R
M
M
G
M
M
D
T
I
T
A
S
T
S
M
T
A
A
f
s
c
T
m
c
S
M
r
c
I
c
P
s
C
s
I
L
d
A
c
R
a
+
-
-
+
VM
S
B
T
I
T
-
9
+
+
-
-
1
2
6
4
1
5
7
8
9
1
1
3
1
1
2
2
2
2
2
2
2
2
1
1
1
2
3
3
2
3
3
3
3
3
3
3
4
3
4
4
4
4
1
1
D
R
R
S
S
6
V
B
V
M
V
M
V
M
I
R
V
R
C
O
S
O
I
L
Q
S
V
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
U4090B-NFNG3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
U4090B-P 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Monolithic Integrated Feature Phone Circuit EMI Improved
U4090B-PFNG3Y 功能描述:電信語音調(diào)制 IC COM.CORDED - FEATURE RoHS:否 制造商:Epson Electronics America 產(chǎn)品: 應(yīng)用:Voice Guidance product 封裝 / 箱體:PQFP-52 電源電壓-最大:3.6 V, 5.5 V 最大工作溫度: 最小工作溫度: 封裝:
U4090B-PFNY 功能描述:電信語音調(diào)制 IC COM.CORDED - FEATURE RoHS:否 制造商:Epson Electronics America 產(chǎn)品: 應(yīng)用:Voice Guidance product 封裝 / 箱體:PQFP-52 電源電壓-最大:3.6 V, 5.5 V 最大工作溫度: 最小工作溫度: 封裝:
U4091B 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Programmable Telephone Audio Processor