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M494B1 - SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND mP INTERFACE

Description

The M494 is a monolithic LSI integrated circuit fabricated in SGS-THOMSON’s EPM2 process ; an N-channel, Planox, double poly MOS process caJune 1991 1/22 M494 PIN CONNECTIONS D4 D3 D2 D1 D0 OPTION SELECT DISPLAY DRIVE h+ i g f e VSS d c b a AV0 AV1 VPP MEMORY TIMING 1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Datasheet Details

Part number M494B1
Manufacturer STMicroelectronics
File Size 223.99 KB
Description SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND mP INTERFACE
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M494 SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND µP INTERFACE . . . . . . . . . . . . . . . . . . . . . . NON-VOLATILE MEMORY FOR 20 PROGRAM WORDS (17 BIT x 20) - TUNING VOLTAGE 12 BITS - BAND 2 BITS - MULTI STANDARD 2 BITS - PROGRAM SKIP BIT 1 BIT - 10,000 MODIFY CYCLES PER WORD - MIN. 10 YEARS DATA RETENTION 13 BIT VOLTAGE SYNTHESIZER (BRM + PWM) NV MEMORY FOR 4 ANALOG CONTROLS (6 BIT x 4) 4 BAND SWITCH OUTPUTS (VHF I & III, UHF, CATV) 5 x 7 KEYBOARD 2 AUDIO VISUAL OUTPUTS (VCR & PC) 2 CODED MULTI STANDARD OUTPUTS (e.g. PAL, SECAM, NTSC etc.) DIRECT 11/2 DIGIT 7 SEGMENT COMMON ANODE LED DISPLAY DRIVING PCM REMOTE CONTROL RECEIVER (M708 transmitter) 5-BIT DATA INPUT + CONTROL LINE FOR P INTERFACE LINEAR AFC DEFEAT OUTPUT FLYBACK/SYNC.
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