My Inquiry
My Account
Infineon Technologies PEF 3394 E V2.2
- Part No.:
- PEF 3394 E V2.2
- Manufacturer:
- Infineon Technologies
- Category:
- Telecom
- Package:
- 176-LBGA
- Datasheet:
-
PEF 3394 E V2.2.pdf
- Description:
- IC TELECOM INTERFACE 176-LBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,966
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PEF 3394 E V2.2 from Infineon Technologies is a 4-channel analog voice access IC in the VINETIC family, designed for residential gateways and VoIP routers. It integrates TDM codec, DSP-based voice compression (G.726 ADPCM, G.729A/B/E), T.38 fax relay, line echo cancellation up to 128 ms, and AAL2/RTP packetization with adaptive jitter buffer up to 200 ms.
For engineers reviewing the PEF 3394 E V2.2 datasheet, PEF 3394 E V2.2 pinout, PEF 3394 E V2.2 application, or PEF 3394 E V2.2 equivalent, this device supports simultaneous VoCoders (4), programmable ringing (85 VRMS balanced), integrated DTMF/Caller-ID, and GR-909-compliant line testing - critical for CPE voice-over-packet system design.
Technical Context
The PEF 3394 E V2.2 implements a dedicated voice-processing DSP core supporting real-time AAL2 and RTP packetization with adaptive jitter buffering (up to 200 ms) and full T.38 fax relay including V.17/V.21/V.27ter/V.29 modulation support. It complies with ITU-T Q.552 and G.712 for analog interface performance.
Its echo cancellation meets G.168-2002 with 128 ms tail length, and it integrates hardware-accelerated G.726 (16/24/32/40 kbit/s), G.729A/B/E, and G.723.1 codecs - all with patent indemnification from Infineon. The device operates in pin- and software-compatible mode with other VINETIC-4 variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Channels | 4 independent POTS lines with full-duplex TDM interface |
| Echo Cancellation Tail | 128 ms - enables robust far-end echo suppression in long-loop DSL environments |
| Jitter Buffer | Adaptive up to 200 ms - maintains voice quality across variable packet delay in IP networks |
| Voice Codecs | G.726 (16/24/32/40 kbit/s), G.729A/B/E, G.723.1 - selectable per channel for bandwidth optimization |
| Fax Support | T.38 with V.17/V.21/V.27ter/V.29 - enables interoperable fax over IP without gateway transcoding |
| Ringing Voltage | Programmable up to 85 VRMS balanced or 50 VRMS unbalanced - meets global telephony standards |
| Line Testing | GR-909-compliant AITDF - enables automated loop diagnostics and QoS monitoring in CPE |
Pinout & Package
PEF 3394 E V2.2 is housed in a PG-LBGA-176-3 package (176-pin plastic ball grid array, 15 mm × 15 mm, 0.8 mm pitch). Pin assignment is defined in Infineon's PEF3394E datasheet Rev. 2.2, Section 5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO / VDDA / VDDD | Power supply domains | Separate 3.3 V I/O, 3.3 V analog, and 1.8 V digital supplies - enable noise isolation and mixed-signal integrity |
| TDI / TDO / TCK / TMS | JTAG boundary scan interface | Supports IEEE 1149.1 compliance for production test and in-system debug of voice processing firmware |
| CLKIN / CLKOUT | Master clock input/output | Accepts 16.384 MHz crystal or external clock; drives SLIC synchronization and TDM timing |
| PCM[7:0] | TDM data bus | 8-bit parallel PCM interface supporting 4-channel 128-slot TDM frames at 2.048 Mbps |
| RESET_N | Active-low reset input | Asynchronous hardware reset with internal power-on reset - ensures deterministic boot state for voice services |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Voice Compression Engine | Hardware-accelerated G.726/G.729/G.723.1 encoding/decoding - offloads host CPU and reduces memory bandwidth |
| Patent-Indemnified Vocoders | Infineon-provided legal coverage for G.729A/B/E and G.723.1 - eliminates third-party licensing risk in commercial VoIP deployments |
| GR-909 Line Test Suite | On-chip AITDF diagnostics - enables automated detection of open/short, impedance mismatch, and battery faults without external test equipment |
| Programmable Ringing Generator | Internal 85 VRMS balanced ringing - eliminates need for external high-voltage DC-DC converter in residential gateway designs |
| T.38 Fax Relay Compliance | Full V.17/V.21/V.27ter/V.29 modem support - ensures fax interoperability across heterogeneous IP networks without store-and-forward latency |
Applications
| Residential VoIP Gateway | Integrated Access Device (IAD) |
|---|---|
Use Scenario: Multi-line home gateway connecting PSTN lines to SIP-based VoIP service providers. IC Role / Device Role / Timing Role: Primary voice processor handling codec, echo cancellation, T.38 fax, and PCM-to-RTP conversion. Use Value: Enables single-chip support for 4 concurrent VoIP calls with full G.729A/B/E and adaptive jitter buffering - reducing BOM count and board area. | Use Scenario: Carrier-class IAD aggregating voice, data, and video for business customers over DSL or fiber. IC Role / Device Role / Timing Role: Central analog interface controller managing line supervision, caller-ID, DTMF, and GR-909 line diagnostics. Use Value: Integrated AITDF and programmable ringing eliminate external test circuitry and HV generators - lowering certification cost and time-to-market. |
| Cable eMTA | DSLAM Remote Terminal |
Use Scenario: Embedded Multimedia Terminal Adapter embedding VoIP into DOCSIS cable modems. IC Role / Device Role / Timing Role: Voice subsystem co-processor interfacing with SLIC (e.g., PEB 4265) and host SoC via TDM/PCI. Use Value: Simultaneous 4-channel VoCoder operation allows concurrent voice, fax, and emergency call handling - meeting FCC Part 68 and TR-109 requirements. | Use Scenario: Remote DSLAM terminal serving multiple POTS lines in FTTN deployments. IC Role / Device Role / Timing Role: Analog line interface unit providing echo cancellation, line testing, and ringing control for legacy copper pairs. Use Value: 128 ms echo tail and G.168-2002 compliance ensure clear voice on loops >18 kft - extending DSL reach without repeaters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 4-channel voice-over-packet applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PEF 3394 HL | Same silicon, higher-grade screening (industrial temp range −40°C to +85°C vs. commercial 0°C to +70°C) | Required for outdoor cabinets or uncontrolled environment deployments | Select when extended temperature operation or longer lifecycle reliability is mandated |
| PEB 3324 E | 2-channel variant with identical feature set and pin/SW compatibility; no 4-channel capability | Suitable only for dual-line residential or SOHO systems | Choose only if channel count reduction is acceptable and board layout reuse is prioritized |
Compared with PEF 3394 HL, the V2.2 version offers lower-cost commercial qualification but identical voice processing features; versus PEB 3324 E, it doubles channel density without firmware changes - enabling scalable CPE platform design across 2–4 line SKUs.
Availability
PEF 3394 E V2.2 is available at Aetrix Electronics and suitable for residential VoIP gateways, integrated access devices (IADs), and cable eMTAs requiring stable component supply, long-term manufacturability, and consistent firmware compatibility across production batches.
Supply support for PEF 3394 E V2.2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and communications ICs, with headquarters in Munich and global R&D and manufacturing facilities.
The VINETIC product line was developed specifically for carrier-grade and CPE voice-over-packet infrastructure, targeting high-density, low-power, and legally de-risked (patent-indemnified) analog telephony solutions.
FAQ
What is the maximum supported jitter buffer depth for PEF 3394 E V2.2?
The device supports an adaptive jitter buffer up to 200 ms, configurable per channel via register settings. This value is implemented in hardware and verified per ITU-T G.114 recommendations for one-way delay tolerance in VoIP systems. Buffer depth directly impacts voice quality under network congestion and is adjustable without firmware recompilation.
Does PEF 3394 E V2.2 require external SDRAM or Flash memory?
No. PEF 3394 E V2.2 integrates on-chip code RAM for firmware download and execution, eliminating the need for external non-volatile memory. External memory is optional only for advanced logging or secondary application storage - not required for baseline VoIP, fax, or echo cancellation functionality.
Which SLIC devices are compatible with PEF 3394 E V2.2?
It supports Infineon's full SLIC portfolio: SLIC-P (PEB 4266), SLIC-E/SLIC-E2 (PEB 4265), SLIC-S/SLIC-S2 (PEB 4264), TSLIC-E/TSLIC-S (PEB 4365/4364), SLIC-LCP (PEB 4262), and SLIC-DC (PEF 4268). Interface compatibility is confirmed in the VINETIC Interfacing Guide, Rev. 2.2.
Is iLBC vocoder support available in PEF 3394 E V2.2?
No. While iLBC was listed as "in preparation" in the 2004 product brief, it was never implemented in PEF 3394 E V2.2 silicon. Supported codecs are G.711, G.726 (16/24/32/40 kbit/s), G.723.1, G.728, and G.729A/B/E - all confirmed in the official datasheet Rev. 2.2 and firmware release notes.
PEF 3394 E V2.2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- VINETIC®
- Package/Case:
- 176-LBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Function:
- Analog Voice Access
- Interface:
- ADPCM
- Number of Circuits:
- 4
- Voltage - Supply:
- -
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-LBGA-176
PEF 3394 E V2.2 FAQ
1.How can I place an order for PEF 3394 E V2.2 through Aetrix?
Please submit a Request for Quotation (RFQ) for PEF 3394 E V2.2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PEF 3394 E V2.2 reliable?
The price and inventory of PEF 3394 E V2.2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PEF 3394 E V2.2 is usually 5 days.
3.What payment methods are accepted for PEF 3394 E V2.2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PEF 3394 E V2.2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PEF 3394 E V2.2?
PEF 3394 E V2.2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PEF 3394 E V2.2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PEF 3394 E V2.2?
For technical support, including PEF 3394 E V2.2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PEF 3394 E V2.2 requirements.
6.How does Aetrix verify that PEF 3394 E V2.2 is sourced from the original manufacturer or authorized distributors?
All PEF 3394 E V2.2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PEF 3394 E V2.2 meets industry standards.
7.What is the process for return or replacement of PEF 3394 E V2.2?
All PEF 3394 E V2.2 units undergo pre-shipment inspection (PSI). If there is an issue with PEF 3394 E V2.2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PEF 3394 E V2.2 part is unused and in its original packaging.
Return procedure for PEF 3394 E V2.2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PEF 3394 E V2.2 Tags
-
LMC567CMX/NOPB
Texas Instruments
-
LM567CMX/NOPB
Texas Instruments
-
LM567CM/NOPB
Texas Instruments
-
VSC8531XMW-02
Microchip Technology
-
VSC8531XMW-05
Microchip Technology
-
GPY115C0VI
MaxLinear, Inc.
-
SI32185-A-FMR
Skyworks Solutions Inc.
-
VSC8541XMV-05
Microchip Technology
-
SI32178-B-FM1R
Skyworks Solutions Inc.
-
GPY215C0VI
MaxLinear, Inc.
-
CPC7514ZTR
Littelfuse Inc.
-
VSC8502XML-03
Microchip Technology
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
