CY7C1069AV33-10ZXC Equivalent & Substitute Parts

Part Overview

The CY7C1069AV33-10ZXC is a 16Mbit asynchronous SRAM memory IC manufactured by Infineon Technologies, organized as 2M x 8 with a 10 ns access time and parallel interface. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system support, maintenance, and new design implementations where legacy compatibility is required.

Key Parameters

Parameter	Value
Memory Type	Volatile SRAM
Memory Size	16Mbit
Memory Organization	2M x 8
Memory Interface	Parallel
Access Time	10 ns
Write Cycle Time	10 ns
Voltage Supply Range	3V ~ 3.6V
Operating Temperature	0°C ~ 70°C
Package Type	54-TSOP II (0.400", 10.16mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the CY7C1069AV33-10ZXC are identified based on the following critical parameters that determine functional equivalence:

Memory capacity: 16Mbit
Memory organization: 2M x 8 parallel interface
Access time and write cycle time: 10 ns
Technology: Asynchronous SRAM
Supply voltage compatibility: Minimum 3V operation
Package footprint: TSOP II form factor with 0.400" (10.16mm) width
Surface mount capability
RoHS3 compliance and MSL 3 rating

The IS61WV20488FBLL-10TLI meets these core substitution criteria while offering extended operating temperature range and broader voltage tolerance.

Parameter Comparison

Parameter	CY7C1069AV33-10ZXC	IS61WV20488FBLL-10TLI
Manufacturer	Infineon Technologies	ISSI (Integrated Silicon Solution Inc)
Memory Size	16Mbit	16Mbit
Memory Organization	2M x 8	2M x 8
Memory Interface	Parallel	Parallel
Access Time	10 ns	10 ns
Write Cycle Time	10 ns	10 ns
Voltage Supply Range	3V ~ 3.6V	2.4V ~ 3.6V
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C
Package Type	54-TSOP II	44-TSOP II
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)

Engineering Selection Recommendations

The IS61WV20488FBLL-10TLI is a direct functional substitute for the CY7C1069AV33-10ZXC based on matching memory capacity, organization, access time, and parallel interface specifications. Both components are ROHS3 compliant with identical MSL ratings, ensuring environmental and regulatory compatibility.

The substitute part offers active product status, providing long-term availability and supply chain stability compared to the obsolete CY7C1069AV33-10ZXC. The extended operating temperature range (-40°C to 85°C) and broader supply voltage tolerance (2.4V to 3.6V) of the IS61WV20488FBLL-10TLI provide additional operational flexibility for applications requiring wider environmental specifications.

Package differences exist: the CY7C1069AV33-10ZXC uses 54-TSOP II while the IS61WV20488FBLL-10TLI uses 44-TSOP II. Both maintain the same 0.400" (10.16mm) width standard, but PCB layout modifications are required to accommodate the different pin counts and configurations.

Frequently Asked Questions (FAQ)

Q: Can the IS61WV20488FBLL-10TLI directly replace the CY7C1069AV33-10ZXC without design changes?

A: Functional substitution is possible due to matching memory specifications and performance characteristics. However, the different package types (54-TSOP II versus 44-TSOP II) require PCB layout modifications. Pin mapping must be verified against both datasheets before implementation.

Q: What are the key compatibility factors for this substitution?

A: Critical compatibility factors are: 16Mbit capacity, 2M x 8 organization, 10 ns access time, parallel interface, surface mount capability, and TSOP II package footprint. Both parts meet these requirements.

Q: Does the substitute part support the same voltage supply range?

A: The IS61WV20488FBLL-10TLI supports 2.4V to 3.6V, which encompasses the original part's 3V to 3.6V range. Applications operating at the original 3V to 3.6V specification are fully compatible.

Q: Are there environmental or compliance differences?

A: Both parts are ROHS3 compliant with MSL 3 ratings. The substitute offers extended operating temperature range (-40°C to 85°C versus 0°C to 70°C), suitable for wider environmental applications.

Q: What is the impact of the package change?

A: The 54-TSOP II to 44-TSOP II transition requires PCB redesign. Pin count and spacing differ, necessitating layout modifications and electrical verification before production implementation.

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