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DS1643-150 — dip28 package (representative)
dip28
Representative of package type
Dallas Semiconductor Corp

DS1643-150

Real-Time Clock · DIP-28 · Timing
Part Status: Obsolete
Manufacturer
Dallas Semiconductor Corp
Mfr Part #
DS1643-150
Series
DS1643
Category
Real-Time Clock
Datasheet
View datasheet ↗
Availability & Pricing
ZDI Price$21.00
Market range$21.00
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Product Attributes

Electrical & Parametric
Access Time150 ns
Memory Size8Kx8
Voltage5 V
Physical & Thermal
Package / CaseDIP-28
Mounting TypeThrough Hole
SeriesDS1643
Operating Temperature0°C ~ 70°C
Classification & Lifecycle
CategoryReal-Time Clock
TypeTiming
Part StatusObsolete

Nonvolatile SRAM + RTC, 8Kx8, 150 ns access time, DIP-28

Environmental & Export Classifications

RoHS Status
Non-Compliant
REACH Status
Moisture Sensitivity (MSL)
ECCN
HTSUS

Price History & Market Reference

Market Price Range

High$21.00
Low$21.00
Last$21.00

ZDI Transaction

Last ZDI price$21.00

Pricing reflects ZDI's transaction and market-reference data. Firm pricing confirmed per RFQ against current availability.

Part Activity

recent searches, RFQs & offers
DS1643-150 searched via the web · Web User

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Engineering FAQ

answers from this part's real data
DS1643-150 is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of DS1643-150?
Access Time: 150 ns; Memory Size: 8Kx8; Voltage: 5 V.
What package is DS1643-150 supplied in?
DS1643-150 is supplied in the DIP-28 package, through hole, rated 0°C ~ 70°C.
Can ZDI source DS1643-150 beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
Source-country supplier analysis, rating & review
Incoming inspection, RoHS verification, bake, full lot traceability
ESD-controlled handling · authentic parts guaranteed

DS1643-150 is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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