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TOSHIBA

TC514258AZ70

DRAM · ZIP-20 · Memory
Part Status: Obsolete In demand
Data last refreshed Jul 30, 2026
Manufacturer
TOSHIBA
Mfr Part #
TC514258AZ70
Series
TC514258
Category
DRAM
Datasheet
View datasheet ↗
Availability & Pricing
Unit PriceRequest a Quote
Sourcing channels10
Request a Quote → Check Live Availability

Live pricing on request · most quotes same business day

Product Attributes

Electrical & Parametric
Organization256K x 4
Access Time70 ns
Supply Voltage5 V
Physical & Thermal
Package / CaseZIP-20
Mounting TypeThrough Hole
SeriesTC514258
Operating Temperature0°C ~ 70°C
Classification & Lifecycle
CategoryDRAM
TypeMemory
Part StatusObsolete

262144 x 4-bit CMOS dynamic RAM, 70 ns access time

Environmental & Export Classifications

RoHS Status
Non-Compliant

Availability & Sourcing

10 sources
SourceMfrQtyDate CodeConditionStatus
Live TOSHIBA 1092 92+ — Live RFQ
Live — 1072 — — Live RFQ
Live Toshiba 247 92+ — Live RFQ
Live TOSHIBA 79 — — Live RFQ
Live TOSHIBA 18 9405 — Live RFQ
Market TOSHIBA 1092 92+ — Available RFQ
Market — 1072 — — Available RFQ
Market Toshiba 247 92+ — Available RFQ
Market TOSHIBA 79 — — Available RFQ
Market TOSHIBA 18 9405 — Available RFQ

ZDI Stock — in our warehouse · Market — offers available through our sourcing network · Live — recent offers from our sourcing network.

Part Activity

recent searches, RFQs & offers
TC514258AZ70 viewed on the web · Web User
TC514258AZ70 viewed on the web · Web User
TC514258AZ70 searched via the web · Web User
TC514258AZ70 searched via the web · Web User
Specifications reviewed & updated · ZDI

Recent search and sourcing activity for TC514258AZ70.

Engineering FAQ

TC514258AZ70 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 TC514258AZ70?
Organization: 256K x 4; Access Time: 70 ns; Supply Voltage: 5 V.
What package is TC514258AZ70 supplied in?
TC514258AZ70 is supplied in the ZIP-20 package, through hole, rated 0°C ~ 70°C.
Can ZDI source TC514258AZ70 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

TC514258AZ70 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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