CY7C1069AV33-12ZXC Equivalent & Substitute Parts

Part Overview

The CY7C1069AV33-12ZXC is a 16Mbit asynchronous SRAM memory IC manufactured by Infineon Technologies, organized as 2M x 8 with a 12 ns access time and parallel interface. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support, redesigns, and production continuity. The part operates within a 3V to 3.6V supply range and is housed in a 54-TSOP II package suitable for surface mount applications.

Substiute Parts

CY7C1069AV33-12ZXC

Infineon TechnologiesIn Stock: 9435CY7C1069AV33-12ZXC Datasheet

Current PartRFQ

IS61WV20488FBLL-10TLI

ISSI, Integrated Silicon Solution IncIn Stock: 746IS61WV20488FBLL-10TLI Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CY7C1069AV33-12ZXC is determined by the following critical parameters:

• Memory Capacity & Organization: Substitute parts must provide 16Mbit capacity in 2M x 8 organization to maintain functional equivalence
• Memory Type & Technology: Asynchronous SRAM technology is required for direct functional replacement
• Parallel Interface: The parallel memory interface must be preserved for circuit compatibility
• Access Time: Substitute parts must meet or exceed the 12 ns access time specification; faster parts are acceptable as they are backward compatible
• Supply Voltage Compatibility: Operating voltage ranges must overlap with or encompass the 3V to 3.6V requirement
• Package & Pinout: Physical package type and pin configuration must be compatible with the original 54-TSOP II footprint, or alternative packages must be evaluated for board-level compatibility
• Compliance Standards: RoHS3 compliance and MSL ratings must be maintained for manufacturing and environmental requirements

The IS61WV20488FBLL-10TLI qualifies as a substitute based on matching memory capacity, organization, technology, and interface specifications, with improved access time performance.

Parameter Comparison

Engineering Selection Recommendations

The IS61WV20488FBLL-10TLI is a functionally equivalent substitute for the CY7C1069AV33-12ZXC based on the following engineering criteria:

Functional Compatibility: Both parts provide identical memory capacity (16Mbit), organization (2M x 8), and asynchronous parallel interface architecture. The substitute part's 10 ns access time exceeds the original 12 ns specification, ensuring backward compatibility in timing-critical applications.

Supply Voltage: The substitute part's 2.4V to 3.6V range encompasses the original 3V to 3.6V specification, maintaining voltage compatibility within the design envelope.

Compliance & Certification: Both parts maintain ROHS3 compliance and identical MSL ratings (3, 168 Hours), satisfying manufacturing and environmental requirements.

Product Status Advantage: The substitute part is classified as Active, ensuring continued availability and manufacturing support, whereas the original part is Obsolete.

Package Consideration: The substitute part uses a 44-TSOP II package versus the original 54-TSOP II. This represents a physical package change that requires board-level evaluation for pin compatibility and footprint redesign if necessary.

Temperature Range: The substitute part's extended operating temperature range (-40°C to 85°C) provides broader environmental coverage compared to the original (0°C to 70°C).

Frequently Asked Questions (FAQ)

Q: Can the IS61WV20488FBLL-10TLI directly replace the CY7C1069AV33-12ZXC without circuit modifications?

A: Functional replacement is possible due to matching memory capacity, organization, and asynchronous parallel interface. However, the package change from 54-TSOP II to 44-TSOP II requires physical board redesign and footprint verification. Pin-to-pin compatibility must be confirmed against the specific pinout documentation for both parts.

Q: What is the significance of the faster 10 ns access time in the substitute part?

A: The 10 ns access time of the IS61WV20488FBLL-10TLI is faster than the original 12 ns specification. This represents improved performance and is backward compatible with designs requiring 12 ns or slower access times. No circuit modifications are necessary to accommodate faster memory.

Q: Are there voltage supply compatibility concerns?

A: The substitute part's 2.4V to 3.6V range fully encompasses the original 3V to 3.6V specification. Systems operating within the original voltage range will function correctly with the substitute part. The extended lower voltage limit (2.4V) provides additional design flexibility.

Q: Why is the package type different between the main part and substitute?

A: The 54-TSOP II and 44-TSOP II packages differ in pin count and physical dimensions. This difference reflects different manufacturer implementations of the same functional specification. Board-level redesign is required to accommodate the package change.

Q: Does the extended temperature range of the substitute part affect compatibility?

A: The substitute part's -40°C to 85°C operating range exceeds the original 0°C to 70°C specification. This provides enhanced environmental coverage and does not create compatibility issues for applications within the original temperature range.

Q: Are compliance certifications maintained with the substitute part?

A: Yes. Both the original and substitute parts maintain ROHS3 compliance and identical MSL ratings (3, 168 Hours), ensuring manufacturing process compatibility and environmental requirement adherence.

Q: What is the primary advantage of selecting the IS61WV20488FBLL-10TLI?

A: The substitute part is classified as Active with confirmed inventory availability, whereas the original CY7C1069AV33-12ZXC is Obsolete. This ensures long-term supply chain continuity and manufacturing support for ongoing production and system redesigns.