ST70134A - Brand New STMicroelectronics IC Chips
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Description
The ST70134A is an ADSL modem chip set with ATM interface that provides all the active functions required to build a complete ATM-based ADSL modem. It operates in the CPE end of the loop (ATU-R mode) and employs Discrete MultiTone modulation as specified in ANSI T1.413. With Reed-Solomon forward error correction and Trellis coding, it offers maximum noise immunity. The chip set includes rate adaptation capabilities and allows for attenuation of the signal in case of short loops or large echo.
Specifications and Features
- Compliance with ANSI T1.413 Issue 1 & Issue 2
- Compliance with G.992.1 (full rate) & G.992.2 (G. Lite)
- Implements Discrete MultiTone (DMT) modulation and demodulation on CPE side
- Data rates up to 8Mbps downstream and 1Mbps upstream with 32Kbps granularity
- Built-in ATM transport
- Supports adaptive rate mode in 32Mbps increments
- 255/128 carriers with 4.3125KHz spacing
- Supports interleaved and non-interleaved channels (dual latency)
- Full, reduced, and minimal ATM overhead framing modes
- Direct connection to ATM systems via UTOPIA interface (Level 1 or 2)
- Microcontroller interface with 16 bits multiplexed address/data bus
- Low power technology: 1.3W total
- Single 3.3V power supply
- Operating temperature range: 0°C to +70°C
Application Scenarios
The ST70134A is commonly used for high-speed internet access, remote access to corporate networks for telecommuters and branch offices, video-on-demand over twisted pair, CPE ADSL modems and routers, ADSL PC NICs, and G. Lite CPE splitterless applications.
Comparison
Advantages- Provides all the active functions required to build a complete ATM-based ADSL modem
- Maximum noise immunity with Reed-Solomon forward error correction and Trellis coding
Disadvantages- Requires an external multiplexer for receive direction control and external gain control
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
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Popular parts of the same kind
- Datasheet: Download ST70134A
- Chipdatas Part: CD94-ST70134A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/30 07:05 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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