ST70135A is the DMT modem and ATM framer of the STMicroelectronics ASCOT chipset. It fulfills the ANSI T1.413 “Issue 2” DMT ADSL specification and supports various features such as ATM and non-ATM interfaces, dual latency paths, and multiple encoding/decoding functions.
The ST70135A is an ASCOT™ DMT modem designed for CPE ADSL applications. It supports both ATM (UTOPIA Level 1 & 2) and bitstream interfaces, featuring a 16-bit multiplexed microprocessor interface compatible with little and big endian systems.
The device operates using 0.35µm HCMOS6 technology in a 144-pin PQFP package. It consumes 1 Watt of power at 3.3V and supports dual latency paths for fast and interleaved data processing.
| Technology Process | 0.35µm HCMOS6 |
|---|---|
| Package Type | 144 Pin PQFP |
| Power Consumption | 1 Watt at 3.3V |
| Supply Voltage (Typical) | 3.3 V |
| Ambient Temperature Range | 0 to 70 °C |
| ESD Rating (HBM) | 2000V minimum |
The device dissipates a maximum of 1400 mW.
The chip can operate at ambient temperatures up to 70 °C.
The device pins can withstand a minimum of 2000V for the HBM.