DS1743WP-120+ Maxim Integrated Products, DS1743WP-120+ Datasheet
DS1743WP-120+
Specifications of DS1743WP-120+
Related parts for DS1743WP-120+
DS1743WP-120+ Summary of contents
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FEATURES Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit, and Lithium Energy Source Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations. Century Byte Register ...
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PIN DESCRIPTION PIN NAME PDIP PowerCap N.C. 31– A12 ...
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... DS1743W-120+ 0°C to +70°C DS1743W-120 IND+ -40°C to +85°C DS1743W-150+ 0°C to +70°C DS1743W-150 IND+ -40°C to +85°C DS1743WP-120+ 0°C to +70°C DS1743WP-120 IND+ -40°C to +85°C DS9034PCX 0°C to +70°C DS9034I-PCX -40°C to +85°C DS9034PCX+ 0°C to +70°C DS9034I-PCX+ -40° ...
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PACKAGES The DS1743 is available in two packages: the 28-pin DIP and the 34-pin PowerCap module. The 28-pin DIP-style module integrates the crystal, lithium energy source, and silicon all in one package. The 34-pin PowerCap Module Board is designed with ...
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Figure 1. Block Diagram Table 1. Truth Table CE V CE2 > < V < ...
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CLOCK ACCURACY (DIP MODULE) The DS1743 is guaranteed to keep time accuracy to within 1 minute per month at +25C. The RTC is calibrated at the factory by Dallas Semiconductor using nonvolatile tuning elements, and does not require additional calibration. ...
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WRITING DATA TO RAM OR CLOCK The DS1743 is in the write mode whenever WE, and CE are in their active state. The start of a write is referenced to the latter occurring transition of WE, on CE. The addresses ...
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ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground……………………………………………………-0.3V to +6.0V Operating Temperature Range…………………………………………………………………….-40°C to +85°C Storage Temperature Range……………………………………………………………………….-40°C to +85°C Soldering Temperature (EDIP) (leads, 10 seconds)…………………….……………………………..…+260°C Soldering Temperature…………………………………………..….See J-STD-020 Specification (See Note 8) This is a stress ...
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DC ELECTRICAL CHARACTERISTICS (3.3V) = 3.3V 10 Over the Operating Range PARAMETER Active Supply Current TTL Standby Current ( CMOS Standby Current (CE V - 0.2V; CC CE2 = GND + 0.2V) ...
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AC CHARACTERISTICS—READ CYCLE (3.3V) = 3.3V 10 Over the Operating Range PARAMETER Read Cycle Time Address Access Time CE and CE2 Low to DQ Low-Z CE and CE2 Access Time CE and CE2 Data-Off time ...
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AC CHARACTERISTICS—WRITE CYCLE (5V) = 5.0V 10 Over the Operating Range PARAMETER SYMBOL Write Cycle Time Address Setup Time WE Pulse Width CE Pulse Width CE2 Pulse Width Data Setup Time Data Hold Time CE ...
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WRITE CYCLE TIMING—WRITE-ENABLE CONTROLLED (See Note 5) WRITE CYCLE TIMING— CE /CE2-CONTROLLED (See Note 5) DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs ...
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POWER-UP/DOWN CHARACTERISTICS—5V = 5.0V 10 Over the Operating Range PARAMETER CE2 Before IH IL Power-Down V Fall Time PF(MAX) PF(MIN) V Fall ...
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POWER-UP/DOWN CHARACTERISTICS—3.3V = 3.3V 10 Over the Operating Range PARAMETER Before IH Power-Down V Fall Time PF(MAX) PF(MIN) V Rise Time ...
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AC TEST CONDITIONS Output Load 1TTL Gate Input Pulse Levels 3.0V Timing Measurement Reference Levels: Input: 1.5V Output: 1.5V Input Pulse Rise and Fall Times: 5ns NOTES: 1) Voltages are referenced to ground. 2) Typical ...
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... No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor. DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs DOCUMENT NO ...