Memory

Use the filters and product table below to compare Memory components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters

Stock & Datasheets Review availability and technical references

RFQ & BOM Support Send your target MPN, quantity or BOM

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Programmable	Memory Type	Memory Format	Technology	Memory Size	Memory Organization	Memory Interface	Clock Frequency	Write Cycle Time - Word, Page	Access Time	Voltage - Supply	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
NM27C512Q90 IC EPROM 512KBIT PARALLEL 28CDIP onsemi	2,634	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	512Kbit	64K x 8	Parallel	-	-	90 ns	4.5V ~ 5.5V	0°C ~ 70°C (TA)	-	-	Through Hole	28-CDIP
74F189SC IC RAM 64BIT PARALLEL 16SOIC onsemi	3,310	-	RFQ	Datasheet	-	16-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Volatile	RAM	RAM	64bit	16 x 4	Parallel	-	29ns	27 ns	4.5V ~ 5.5V	0°C ~ 70°C (TA)	-	-	Surface Mount	16-SOIC
NM27C256N120 IC EPROM 256KBIT PARALLEL 28DIP onsemi	2,412	-	RFQ	Datasheet	-	28-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - OTP	256Kbit	32K x 8	Parallel	-	-	120 ns	4.5V ~ 5.5V	0°C ~ 70°C (TA)	-	-	Through Hole	28-PDIP
NM27C256QE120 IC EPROM 256KBIT PARALLEL 28CDIP onsemi	1,954	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	256Kbit	32K x 8	Parallel	-	-	120 ns	4.5V ~ 5.5V	-40°C ~ 85°C (TA)	-	-	Through Hole	28-CDIP
CAT25256XE-T2 IC EEPROM 256KBIT SPI 8SOIC onsemi	1,050	-	RFQ	Datasheet	-	8-SOIC (0.209", 5.30mm Width)	Tape & Reel (TR)	Active	-	Non-Volatile	EEPROM	EEPROM	256Kbit	32K x 8	SPI	5 MHz	5ms	75 ns	1.8V ~ 5.5V	-40°C ~ 125°C (TA)	-	-	Surface Mount	8-SOIC
NM27C256Q120 IC EPROM 256KBIT PARALLEL 28CDIP onsemi	4,519	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	256Kbit	32K x 8	Parallel	-	-	120 ns	4.5V ~ 5.5V	0°C ~ 70°C (TA)	-	-	Through Hole	28-CDIP
NM27C256Q100 IC EPROM 256KBIT PARALLEL 28CDIP onsemi	3,076	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	256Kbit	32K x 8	Parallel	-	-	100 ns	4.5V ~ 5.5V	0°C ~ 70°C (TA)	-	-	Through Hole	28-CDIP
NMC27C64QE200 IC EPROM 64KBIT PARALLEL 28CDIP onsemi	2,770	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	64Kbit	8K x 8	Parallel	-	-	200 ns	4.5V ~ 5.5V	-40°C ~ 85°C (TA)	-	-	Through Hole	28-CDIP
NMC27C64QE150 IC EPROM 64KBIT PARALLEL 28CDIP onsemi	2,578	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	64Kbit	8K x 8	Parallel	-	-	150 ns	4.5V ~ 5.5V	-40°C ~ 85°C (TA)	-	-	Through Hole	28-CDIP
NM27C512QE120 IC EPROM 512KBIT PARALLEL 28CDIP onsemi	3,582	-	RFQ	Datasheet	-	28-CDIP (0.600", 15.24mm) Window	Tube	Obsolete	Not Verified	Non-Volatile	EPROM	EPROM - UV	512Kbit	64K x 8	Parallel	-	-	120 ns	4.5V ~ 5.5V	-40°C ~ 85°C (TA)	-	-	Through Hole	28-CDIP

WINSUN SOURCING SUPPORT

Need Help Sourcing Memory?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing

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FREQUENTLY ASKED QUESTIONS

Memory FAQ

Common questions about filtering, comparing and sourcing Memory components.

How can I narrow the Memory selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Memory part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.