What is the Surface Mount ?

having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

What is the Operating Temperature ?

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

What is the Packaging ?

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

What is the Part Status ?

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

What is the Terminal Form ?

Occurring at or forming the end of a series, succession, or the like; closing; concluding.

What is the Terminal Pitch ?

The center distance from one pole to the next.

What is the Max Supply Voltage ?

In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.

What is the Min Supply Voltage ?

The minimum supply voltage (V min ) is explored for sequential logic circuits by statistically simulating the impact of within-die process variations and gate-dielectric soft breakdown on data retention and hold time.

What is the Nominal Supply Current ?

Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

What is the Quiescent Current ?

The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

What is the Synchronous Rectifier ?

Synchronous rectification is a technique for improving the efficiency of rectification by replacing diodes with actively controlled switches, usually power MOSFETs or power bipolar junction transistors (BJT).

What is the RoHS Status ?

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

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DS90340I-PCX

Name: DS90340I-PCX
Brand: Analog Devices Inc./Maxim Integrated
Availability: InStock
Rating: 5 (1 reviews)

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Manufacturer Analog Devices Inc./Maxim Integrated

Manufacturer Product Number DS90340I-PCX

Description IC SRAM NV TIMEKEEPING POWERCAP

Datasheet DS90340I-PCX Datasheet(pdf)

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Obsolete

Quantity Quantity Available: 2420

SZC Quality Assurance

Analog Devices Inc./Maxim Integrated

Maxim Integrated has amalgamated with Analog Devices, imparting an augmented repertoire of superlative mixed-signal and power governance innovations, fostering clientele triumph across diverse sectors. This amalgamation begets a spectrum of resolutions for surmounting the utmost intricate quandaries, spanning from direct current to the expanse of 100 gigahertz, encompassing miniscule nanowatt realms to robust kilowatt domains, spanning the sensor continuum to the ethereal expanse of cloud. Delve deeper into Analog Devices' enriched assemblage on their product dossier.

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DS90340I-PCX FEATURES

Integrated NV SRAM, Real-Time Clock,Crystal, Power-Fail Control Circuit, andLithium Energy Source Clock Registers are Accessed Identically tothe Static RAM. These Registers Reside inthe Eight Top RAM Locations. Century Byte Register Totally Nonvolatile with Over 10 Years ofOperation in the Absence of Power BCD-Coded Century, Year, Month, Date,Day, Hours, Minutes, and Seconds withAutomatic Leap Year Compensation Validthrough 2099 Low-Battery-Voltage Level Indicator Flag Power-Fail Write Protection Allows for ±10%VCC Power-Supply Tolerance Lithium Energy Source is ElectricallyDisconnected to Retain Freshness UntilPower is Applied for the First Time DIP Module OnlyStandard JEDEC Bytewide 8k x 8 StaticRAM Pinout PowerCap Module Board OnlySurface-Mountable Package for DirectConnection to PowerCap ContainingBattery and CrystalReplaceable Battery (PowerCap)Power-On Reset OutputPin-for-Pin Compatible with Other Densitiesof DS174XP Timekeeping RAM Underwriters Laboratories (UL) Recognizedto Prevent Charging of the Internal LithiumBattery

DS90340I-PCX PIN DESCRIPTION

DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMsPINPDIP12345678910111213141516171819PowerCap1, 2, 3,31–3430252423222120191816151417131211109NAMEFUNCTIONN.C.No ConnectionAddress InputA12A7A6A5A4A3A2A1A0DQ0DQ1DQ2GND GroundDQ3DQ4DQ5DQ6DQ7Data Input/OutputData Input/OutputPINPDIPPowerCapNAMEFUNCTION202122232425262728———8287292726—654CEA10OEA11A9A8CE2WEVCCRSTX1, X2VBATChip Enable,Active LowAddress InputOutput Enable,Active LowAddress InputChip Enable 2Write Enable,Active LowPower-SupplyInputPower-On ResetOutput, ActiveLowCrystalConnectionBatteryConnection2 of 16

DS90340I-PCX for the system to stabilize. These features prevent loss of data from unpredictable system operation brought

DS90340I-PCX DESCRIPTION

The DS1743 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 8k x 8nonvolatile static RAM. User access to all registers within the DS1743 is accomplished with a bytewideinterface as shown in Figure 1. The RTC information and control bits reside in the eight uppermost RAMlocations. The RTC registers contain century, year, month, date, day, hours, minutes, and seconds data in24-hour binary-coded decimal (BCD) format. Corrections for the day of the month and leap year are madeautomatically. The RTC clock registers are double buffered to avoid access of incorrect data that can occurduring clock update cycles. The double-buffered system also prevents time loss as the timekeepingcountdown continues unabated by access to time register data. The DS1743 also contains its own power-fail circuitry, which deselects the device when the VCC supply is in an out-of-tolerance condition. WhenVCC is above VPF, the device is fully accessible. When VCC is below VPF, the internal CE signal is forcedhigh, preventing any access. When VCC rises above VPF, access remains inhibited for TREC, allowing timefor the system to stabilize. These features prevent loss of data from unpredictable system operation broughton by low VCC as errant access and update cycles are avoided.3 of 16

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Q: What is the process for returns or replacements of DS90340I-PCX?
A: We conduct a Pre-Shipment Inspection (PSI) on randomly selected batches from your order to ensure quality before shipment. We will accept returns or replacements of the DS90340I-PCX if it does not meet your expectations under the following conditions:
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Product Attributes

TYPE	DESCRIPTION	Select all
Product Status	Obsolete
Package	Tube
Series	-
Supplier Device Package	34-PowerCap Module
Package / Case	34-PowerCap™ Module
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Battery Chemistry	Lithium Cell
Function	Back-Up Management