| Manufacturer | Part # | Datasheet | Description |
 TEMIC Semiconductors |
U4091B
|
107Kb/11P |
Programmable Telephone Audio Processor
|
|
U4091BM
|
722Kb/29P |
Programmable Telephone Audio Processor
|
|
U4091BM-AFN
|
722Kb/29P |
Programmable Telephone Audio Processor
|
|
U4091BM-AFNG3
|
722Kb/29P |
Programmable Telephone Audio Processor
|
 ATMEL Corporation |
U4091BM-N
|
510Kb/38P |
PROGRAMMABLE TELEPHONE AUDIO PROCESSOR
|
|
U4091BM-NFN
|
510Kb/38P |
PROGRAMMABLE TELEPHONE AUDIO PROCESSOR
|
|
U4091BM-NFNG3
|
510Kb/38P |
PROGRAMMABLE TELEPHONE AUDIO PROCESSOR
|
|
U4091BM-R
|
789Kb/38P |
Programmable Telephone Audio Processor
|
|
U4091BM-RFNG3Y
|
789Kb/38P |
Programmable Telephone Audio Processor
|
|
U4091BM-RFNGY
|
789Kb/38P |
Programmable Telephone Audio Processor
|