Memory

Manufacturer 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


















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo 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
AT29C256-70JC Microchip Technology

AT29C256-70JC

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

3,624
RFQ
AT29C256-70JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C256-70JI Microchip Technology

AT29C256-70JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

2,748
RFQ
AT29C256-70JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C256-70TC Microchip Technology

AT29C256-70TC

IC FLASH 256KBIT PARALLEL 28TSOP

Microchip Technology

1,865
RFQ
AT29C256-70TC Datasheet

Datasheet

- 28-TSSOP (0.465", 11.80mm Width) Tray Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 28-TSOP
AT29C256-70TI Microchip Technology

AT29C256-70TI

IC FLASH 256KBIT PARALLEL 28TSOP

Microchip Technology

4,081
RFQ
AT29C256-70TI Datasheet

Datasheet

- 28-TSSOP (0.465", 11.80mm Width) Tray Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 28-TSOP
AT29C256-90JI Microchip Technology

AT29C256-90JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

1,811
RFQ
AT29C256-90JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 90 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C256-90TC Microchip Technology

AT29C256-90TC

IC FLASH 256KBIT PARALLEL 28TSOP

Microchip Technology

3,815
RFQ
AT29C256-90TC Datasheet

Datasheet

- 28-TSSOP (0.465", 11.80mm Width) Tray Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 90 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 28-TSOP
AT29C256-90TI Microchip Technology

AT29C256-90TI

IC FLASH 256KBIT PARALLEL 28TSOP

Microchip Technology

4,640
RFQ
AT29C256-90TI Datasheet

Datasheet

- 28-TSSOP (0.465", 11.80mm Width) Tray Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 90 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 28-TSOP
AT29C257-12JC Microchip Technology

AT29C257-12JC

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

2,755
RFQ
AT29C257-12JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 120 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-12JI Microchip Technology

AT29C257-12JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

2,855
RFQ
AT29C257-12JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 120 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-15JC Microchip Technology

AT29C257-15JC

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

1,010
RFQ
AT29C257-15JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 150 ns 5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-15JI Microchip Technology

AT29C257-15JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

3,485
RFQ
AT29C257-15JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 150 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-70JC Microchip Technology

AT29C257-70JC

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

1,398
RFQ
AT29C257-70JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-70JI Microchip Technology

AT29C257-70JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

3,535
RFQ
AT29C257-70JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 70 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-90JC Microchip Technology

AT29C257-90JC

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

4,482
RFQ
AT29C257-90JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 90 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C257-90JI Microchip Technology

AT29C257-90JI

IC FLASH 256KBIT PARALLEL 32PLCC

Microchip Technology

2,807
RFQ
AT29C257-90JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 256Kbit 32K x 8 Parallel - 10ms 90 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C512-12JC Microchip Technology

AT29C512-12JC

IC FLASH 512KBIT PARALLEL 32PLCC

Microchip Technology

3,587
RFQ
AT29C512-12JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 512Kbit 64K x 8 Parallel - 10ms 120 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C512-12JI Microchip Technology

AT29C512-12JI

IC FLASH 512KBIT PARALLEL 32PLCC

Microchip Technology

4,517
RFQ
AT29C512-12JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 512Kbit 64K x 8 Parallel - 10ms 120 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C512-15JC Microchip Technology

AT29C512-15JC

IC FLASH 512KBIT PARALLEL 32PLCC

Microchip Technology

2,823
RFQ
AT29C512-15JC Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 512Kbit 64K x 8 Parallel - 10ms 150 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C512-15JI Microchip Technology

AT29C512-15JI

IC FLASH 512KBIT PARALLEL 32PLCC

Microchip Technology

3,563
RFQ
AT29C512-15JI Datasheet

Datasheet

- 32-LCC (J-Lead) Tube Obsolete Not Verified Non-Volatile FLASH FLASH 512Kbit 64K x 8 Parallel - 10ms 150 ns 4.5V ~ 5.5V -40°C ~ 85°C (TC) - - Surface Mount 32-PLCC (13.97x11.43)
AT29C512-15TC Microchip Technology

AT29C512-15TC

IC FLASH 512KBIT PARALLEL 32TSOP

Microchip Technology

4,347
RFQ
AT29C512-15TC Datasheet

Datasheet

- 32-TFSOP (0.724", 18.40mm Width) Tray Obsolete Not Verified Non-Volatile FLASH FLASH 512Kbit 64K x 8 Parallel - 10ms 150 ns 4.5V ~ 5.5V 0°C ~ 70°C (TC) - - Surface Mount 32-TSOP

Memory Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Memory components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Memory Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Memory FAQ

Can FPGAX source both active and end-of-life Memory components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Memory sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.