M494B1 - SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND mP INTERFACE
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
M494 SINGLE-CHIP VOLTAGE TUNING SYSTEM WITH 4 ANALOG CONTROLS AND µP INTERFACE .
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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 (
M494B1 Features
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