U4089B-MFN ATMEL [ATMEL Corporation], U4089B-MFN Datasheet - Page 3

• Manufacturer Part Number: U4089B-MFN
• Description: MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
• Manufacturer: ATMEL [ATMEL Corporation]

Pin Configuration
Figure 3. Pinning SSO44
4570A–CORD–04/03
IMPSEL
SENSE
TSACL
DTMF
MIC2
MIC1
GND
SAO
VMP
GSA
IND
NC
NC
NC
NC
NC
NC
NC
NC
NC
VB
VL
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
38
36
28
24
23
44
43
42
41
40
39
37
35
34
33
32
31
30
29
27
26
25
RECIN
TTXA
GR
RECO
NC
NC
VM
STO
IREF
AGA
GT
NC
STI
NC
ATAFS
NC
TLDR
TLDT
INLDR
INLDT
MUTX
SAI
U4089B-M
3