NXP Semiconductors SAA7109AE/V1,518

Overview

SAA7109AE/V1,518 from NXP Semiconductors is a multistandard video decoder and encoder IC designed for PC-99-compliant desktop video applications. It integrates 9-bit analog video acquisition, digital multistandard decoding (PAL/NTSC/SECAM), programmable scaling, anti-flicker filtering, and three 10-bit DACs for CVBS/S-video/RGB output. It supports up to 1280 × 1024 graphics input and 1920 × 1080 interlaced HDTV output, operating at ≤85 MHz pixel clock with 3.3 V supply.

For engineers reviewing the SAA7109AE/V1,518 datasheet, SAA7109AE/V1,518 pinout, SAA7109AE/V1,518 application, or SAA7109AE/V1,518 equivalent, this HD-CODEC delivers verified line-locked decoding, I²C-controlled BCS adjustment, Macrovision 7.01 support (SAA7108AE only), dual-domain timing control, and boundary-scan test compliance - critical for legacy video interface design, PC graphics-to-TV conversion, and hybrid set-top box development.

Technical Context

The SAA7109AE/V1,518 implements separate analog front-end and digital processing domains: its decoder uses line-locked PLL architecture with adaptive comb filtering for PAL/NTSC/SECAM, 27 MHz crystal-stable subcarrier generation, and ITU-R BT.601–compliant Y/CB/CR output. It features six analog inputs, automatic standard detection, and multistandard VBI data slicing (WST/NABTS/CC/WSS/VPS).

The encoder operates independently or slaved to the decoder clock via FIFO buffering, supporting programmable scaler/interlacer (5-line anti-flicker filter), RGB/Y-CB-CR 4:4:4 input, and triple 10-bit DACs with adjustable output levels. It provides PIXCLKO/PIXCLKI loop-through, hot-plug detection (TVD pin), and hardware cursor overlay - all synchronized to a single 24.576 MHz or 32.11 MHz crystal.

Key Specifications

Pinout & Package

Package: LBGA156 (plastic low-profile ball grid array; 156 balls; 15 × 15 × 1.05 mm body; Moisture Sensitivity Level e3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar video codec applications.

Compared with ADV7170KSTZ and TVP5146M2IPFP, the SAA7109AE/V1,518 uniquely integrates decoder, encoder, VBI processing, and triple 10-bit DACs in one LBGA156 package - enabling compact, low-BOM designs for PC-99 video interfaces and hybrid broadcast systems without external timing or conversion components.

Availability

SAA7109AE/V1,518 is available at Aetrix Electronics and suitable for PC graphics-to-TV conversion, hybrid satellite set-top boxes, PCMCIA video capture cards, and security DVRs requiring stable component supply across industrial temperature range (0 °C to 70 °C) and long-lifecycle support.

Supply support for SAA7109AE/V1,518 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and consumer applications.

The SAA7109AE/V1,518 belongs to NXP's HD-CODEC product line, engineered specifically for desktop and embedded video interface applications requiring multistandard analog video processing, PC graphics compatibility, and broadcast-grade timing integrity.

FAQ

What video standards does the SAA7109AE/V1,518 support for decoding and encoding?

The SAA7109AE/V1,518 supports PAL BGHI, PAL M, PAL N, combination PAL N, NTSC M, NTSC-Japan, NTSC N, NTSC 4.43, and SECAM for decoding. For encoding, it generates PAL and NTSC composite, S-video, and RGB outputs. All decoded video is formatted to ITU-R BT.601 Y-CB-CR 4:2:2, and encoded outputs meet broadcast timing specifications including line-locked synchronization and subcarrier stability. The SAA7109AE/V1,518 achieves this using a single 24.576 MHz or 32.11 MHz crystal.

Does the SAA7109AE/V1,518 include Macrovision copy protection?

No, Macrovision Pay-per-View copy protection (rev. 7.01, 6.1, and 1.03) is implemented only in the SAA7108AE variant. The SAA7109AE/V1,518 does not include Macrovision circuitry. Both parts share identical pinout, package, and functional architecture except for this feature distinction, which is confirmed in Section 2.4 of the official datasheet.

What is the maximum resolution and pixel clock supported by the SAA7109AE/V1,518 encoder?

The SAA7109AE/V1,518 encoder supports up to 1280 × 1024 progressive graphics input at 60 Hz (PIXCLK < 85 MHz) and 1920 × 1080 interlaced HDTV output. Its on-chip pixel clock synthesizer delivers minimized jitter and supports both internal synthesis and external clock loop-through (PIXCLKI/PIXCLKO). This allows direct interfacing with Intel DVO or AGP graphics controllers without external clock conditioning.

How does the SAA7109AE/V1,518 handle analog video input source selection?

The SAA7109AE/V1,518 provides six analog inputs (AI11–AI12, AI21–AI24, AI1D, AI2D) with internal analog source selectors configurable for 6 × CVBS, 2 × Y/C + 2 × CVBS, or 1 × Y/C + 4 × CVBS. Each channel supports programmable static gain or automatic gain control (AGC), switchable white peak control, and dual built-in anti-aliasing filters. The SAA7109AE/V1,518 digitizes these signals using two 9-bit differential CMOS ADCs.

Is the SAA7109AE/V1,518 pin-compatible with the SAA7108AE?

Yes, the SAA7109AE/V1,518 is fully pin-compatible with the SAA7108AE in the LBGA156 package. Both share identical pin allocation, electrical characteristics, timing behavior, and register map. The only functional difference is the absence of Macrovision 7.01 in the SAA7109AE/V1,518 - confirmed in the "Ordering Information" and "Features" sections of the NXP datasheet. No PCB layout changes are required for substitution.