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| INTEGRAL IN82C54 PROGRAMMABLE TIMER LSI of programmable ASIC timer provides operation of three independent counters in six modes. Synchronous control method with minimum period of tact impulses sequence is used in circuit =200 ns. Circuit is implemented in 239.24-1 package. Parameter indication, measurements unit Output voltage of high level, V Letter Measurement mode symbol UOH UCC = 4,5V IOH =-0.4m UIH=UCC-0,8V UIL=0,8 V UOL UCC=4,5 V lOL=3.2m UIH= UCC-0,8 V UIL=0,8 V II UCC=5,5 V UIH-5.5 VUll-0V ICC UCC=5.5V, Ull=0V UIH=5.5V, UCC=5,5V UOL=0,8 V IOZL TCY UCC=5,5 V UOH=Ucc-0,8 V UCC= 5,5 V Rate no more UCC-0,41 Temperature -10 - +70oC Output voltage of low level, V - 0,4 Input current, mk Consumption current in static mode, mk Input current of low level "", mk Output current of high level "", Sequence period of tact signal impulses, ns Parameter name measurement unit Supply voltage, V Input voltage of high level, V Input voltage of low level, V Output current of high level, m Output current of low level, m Tact signal impulses sequence frequences, MHz: - for timer - for direct memory access block - -2,0 10 - 125 Letter symbol UCC UIH UIL IOH IOL FC Limit mode rate -0,3 -0,3 6 (7 within 5s) 6 - - - Korzhenevskogo 12, Minsk, 220064, Republic of Belarus Fax: +375 (17) 278 28 22, Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61, 277 69 16 E-mail: belms@belms.belpak.minsk.by URL: www.bms.by |
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