STi7141 Datasheet – HD Decoder for digital cable set-top box

This post explains for the semiconductor STi7141.

The Part Number is STi7141. The Package is PBGA 580 + 100 balls, 35 x 35 mm Type.

The function of this semiconductor is HD decoder for interactive digital cable set-top box .

Manufacturers : STMicroelectronics

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STi7141 decoder datasheet

 

Description :

The STi7141 is a highly integrated SoC (systemon-chip) designed to meet the demanding needs of the interactive cable set top box market place. The STi7141 integrates all the major system functions into a single device, and provides world leading, multi-layer, advanced security technologies to protect valuable video and audio assets.

 

Application Circuit

STi7141 application

The STi7141 is a low-cost, networkable, HDTV set-top box device, with an embeded
DOCSIS cable modem capable of providing DSG (DOCSIS set-top gateway), interactive
multimedia and internet access for the digital cable market.

Features

1. Three integrated cable receiver / demodulators
2. DOCSIS/EuroDOCSIS 2.0 cable modem with support for DOCSIS 3.0 down-stream channelbonding
3. SCTE-55 part 1 and 2 physical layer support for CableCARDTM
4. Dual Core architecture providing more than 1600 DMIPS of processing performance

Ordering Number : STi7141ZWA

 

STi7141 Datasheet

STi7141 pdf

74HC138 Datasheet – 3-to-8 Line Decoder/Demultiplexer

Part Number : 74HC138

Description : 3-to-8 line decoder/demultiplexer inverting

Package : DIP, SMD 16 Pin

Manufactures : Philips

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74hc138-decoder
Description

The 74HC138 / 74HCT138 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC138 / 74HCT138 decoders accept three binary weighted address inputs (A0, A1, A2) and when enabled, provide 8 mutually exclusive active LOW outputs (Y0 to Y7).

Pinout

74hc138-arduino-functional-diagram

Features

1. Demultiplexing capability
2. Multiple input enable for easy expansion
3. Ideal for memory chip select decoding
4. Active LOW mutually exclusive outputs
5. Output capability: standard
6. ICC category: MSI

Functional Diagram74hc138-datasheet-pinout

 

Reference site

  1. https://learn.adafruit.com/delorean-time-circuit/circuit-trickery

74HC138 Datasheet