MM58174AN National Semiconductor, MM58174AN Datasheet
MM58174AN
Specifications of MM58174AN
58174
MM58174
Available stocks
Related parts for MM58174AN
MM58174AN Summary of contents
Page 1
... Internal pull-ups to safeguard data Y Protection for read during data changing Y Independent interrupt system with open drain output Y Block Diagram TRI-STATE is a registered trademark of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL F 6681 TTL compatible Y Low power standby operation ( Low cost internally biased oscillator ...
Page 2
... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Voltage at All Inputs and Outputs Operating Temperature MM58174AN b Electrical Characteristics T Symbol Parameter V Supply Voltage DD I Supply Current DD Input Logic Levels for Signals AD0– ...
Page 3
... Connection Diagram Dual-In-Line Package during SS Top View Order Number MM58174AN See NS Package Number N16A SS The possibility may be overcome by implementing a further read of the tenths of seconds register at the end of every series of reads (starting with a read at the tenths of seconds ...
Page 4
Circuit Description (Continued) FIGURE 2 Crystal Oscillator DAYS COUNTER There are two Days counters a) units of days b) tens of days The Days counters will count days depending on the state of ...
Page 5
Circuit Description (Continued) TABLE IIa Interrupt Selection Data Mode Address 15 Write Mode Function DB3 DB2 No Interrupt X 0 Int at 60 Sec Intervals Int Sec Intervals Int at 0 ...
Page 6
Timing Waveforms READ MODE Figure 6 gives detailed timing for the transfer of data from peripheral to microprocessor See Table IV All times are measured from (or to) valid logic ‘‘0’’ level valid logic ‘‘1’’ level 2 ...
Page 7
... Address Change to Chip Select OFF (CS ACS1 Note 3 If address and write occur simultaneously then they must exist for MM58174AN Typ Min Max 900 450 0 330 70 500 0 40 1850 850 0 330 14 500 MM58174AN Typ Min Max 450 725 670 70 165 185 and Units Comments 100 100 pF ...
Page 8
... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-In-Line Package (N) Order Number MM58174AN NS Package Number N16A 2 A critical component is any component of a life ...