MM58167BN National Semiconductor, MM58167BN Datasheet
MM58167BN
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MM58167BN Summary of contents
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... Microprocessor compatible (8-bit data bus) Y Milliseconds through month counters Y Connection Diagrams Dual-In-Line Package Top View Order Number MM58167BN See NS Package Number N24A TRI-STATE is a registered trademark of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL F 11070 56 bits of RAM with comparator to compare the real Y ...
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... 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 Pins Operating Temperature Electrical Characteristics V Parameter Supply Voltage V Outputs Enabled DD V POWER DOWN Mode DD Supply Current I Dynamic Outputs TRI-STATE ...
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Functional Description Real Time Counter The real time counter is divided into 4-bit digits with 2 digits being accessed during any read or write cycle Each digit represents a BCD number and is defined in Table I Any unused bits ...
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Functional Description (Continued) TABLE II Clock RAM Bit Map for Alarm Interrupt Everyday Address Function Milliseconds Hundredths and Tenths of Seconds Seconds Minutes ...
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Functional Description (Continued) logical zero ) When switching V to the standby or power DD down mode the POWER DOWN input should logical zero at least 1 s before V is switched When switching DD V all ...
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Functional Description (Continued) Standby Interrupt Typical Characteristics Interrupt Timing Symbol Parameter t Status Register Clock to INTERRUPT OUTPUT INTON (Pin 13) High (Note 1) t Compare Valid to STANDBY INTERRUPT ...
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Write Cycle Timing Symbol Parameter t Address Valid to Write Strobe AW t Chip Select to Write Strobe CSW t Data Valid before Write Strobe DW t Write Strobe to Ready Strobe WRY t ...
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Typical Applications Note 5 A ground line or ground plane guard trace should be included between pins 9 and 10 to insure the oscillator is not disturbed by the address line FIGURE 5 Typical Connection Diagram Note 6 Must use ...
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... Block Diagram Physical Dimensions inches (millimeters) FIGURE 7 Molded Dual-In-Line Package (N) Order Number MM58167BN NS Package Number N24A 11070– 10 ...
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