Renesas Electronics 7130SA100PF8 SRAM Equivalent & Substitute Parts

Part Overview

The Renesas Electronics 7130SA100PF8 is an 8Kbit dual-port asynchronous SRAM with parallel interface, organized as 1K x 8, housed in a 64-TQFP package. This component operates at 100 ns access time with a supply voltage range of 4.5V to 5.5V and temperature range of 0°C to 70°C. The part is currently obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs requiring this memory architecture.

Key Parameters

Parameter	Value
Memory Type	Volatile SRAM
Memory Format	Dual Port, Asynchronous
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	Parallel
Access Time	100 ns
Write Cycle Time	100 ns
Voltage Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package Type	64-TQFP (14x14)
Mounting Type	Surface Mount
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the 7130SA100PF8 is determined by strict equivalence across the following critical parameters:

Memory capacity and organization (8Kbit, 1K x 8)
Dual-port asynchronous SRAM architecture
Parallel interface configuration
Package type and pinout (64-TQFP, 14x14)
Supply voltage compatibility (4.5V ~ 5.5V)
Operating temperature range (0°C ~ 70°C)
Moisture sensitivity level (MSL 3)

The substitute part 7130LA20PFG8 meets all these criteria. Access time and write cycle time are performance parameters that may be improved in substitute parts without affecting functional compatibility, as faster timing specifications remain backward-compatible with systems designed for the original 100 ns specification.

Parameter Comparison

Parameter	7130SA100PF8 (Main Part)	7130LA20PFG8 (Substitute)
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Memory Type	Volatile SRAM	Volatile SRAM
Memory Format	Dual Port, Asynchronous	Dual Port, Asynchronous
Memory Size	8Kbit	8Kbit
Memory Organization	1K x 8	1K x 8
Memory Interface	Parallel	Parallel
Access Time	100 ns	20 ns
Write Cycle Time	100 ns	20 ns
Voltage Supply	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C
Package Type	64-TQFP (14x14)	64-TQFP (14x14)
Mounting Type	Surface Mount	Surface Mount
MSL Rating	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging Format	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

The 7130LA20PFG8 is the direct substitute for the obsolete 7130SA100PF8. Selection of this alternative is justified on the following engineering grounds:

The substitute part maintains full functional equivalence across all critical memory parameters, architecture, and interface specifications.
The 7130LA20PFG8 is in active production status, ensuring long-term availability and supply chain continuity.
The substitute achieves ROHS3 compliance, whereas the original part is RoHS non-compliant, providing environmental and regulatory advantage for new designs and system updates.
Access time and write cycle time are improved to 20 ns, providing performance headroom without requiring circuit redesign.
Identical package, pinout, and thermal characteristics enable direct board-level substitution.
Tape & Reel packaging format supports automated assembly processes for production environments.

Frequently Asked Questions (FAQ)

Q: Can the 7130LA20PFG8 be used as a direct replacement for the 7130SA100PF8 on existing PCBs?

A: Yes. Both parts share identical package type (64-TQFP, 14x14), pinout, supply voltage range (4.5V ~ 5.5V), operating temperature range (0°C ~ 70°C), and memory organization (1K x 8 dual-port asynchronous SRAM). Direct board-level substitution is supported without circuit modification.

Q: What is the significance of the improved access time in the 7130LA20PFG8?

A: The substitute part provides 20 ns access time compared to the original 100 ns specification. This represents improved performance that is backward-compatible with systems designed for the slower timing. No timing violations will occur in circuits originally specified for 100 ns operation.

Q: Why is RoHS compliance important for this substitution?

A: The 7130LA20PFG8 achieves ROHS3 compliance, whereas the 7130SA100PF8 is RoHS non-compliant. For new designs and systems subject to environmental or regulatory requirements, the compliant substitute part eliminates material restriction concerns and supports long-term product lifecycle management.

Q: Are there packaging considerations when transitioning from the original to the substitute part?

A: The original part is supplied in bulk packaging, while the substitute is available in Tape & Reel (TR) format. For manual assembly or small-volume applications, bulk packaging may be preferred. For production environments utilizing automated pick-and-place equipment, Tape & Reel format is standard and provides handling efficiency.

Q: What is the MSL rating and why is it identical between both parts?

A: Both parts carry MSL 3 (168 Hours) rating, indicating moisture sensitivity level 3 with a floor life of 168 hours after bag opening. Identical MSL ratings ensure equivalent handling, storage, and reflow process requirements between the original and substitute parts.

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