FULL PARAMETRICS
Full parametrics
- Speed
- 80MHz
- RAM Size
- 56K x 8
- Core Size
- 32-Bit
- EEPROM Size

FR81S FR MB91520 Microcontroller IC 32-Bit 80MHz 320KB (320K x 8) FLASH 64-LQFP (10x10)
Core
FR81S
Core Size
32-Bit
Flash
320KB (320K x 8)
RAM
56K x 8
Speed
FULL PARAMETRICS
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Location
US-Based & Operated
Turnaround
Quote within 24 hours
Suppliers
Verified Sources Only
WHY IC PARTS
01 / SPECIALTY
Decades of experience sourcing parts that other distributors no longer carry — EOL ICs, last-time-buy stock, and parts in active production allocation.
02 / SPEED
A real sourcing engineer reviews every RFQ and most responses go out same business day — not a templated reply, a real quote with provenance.
03 / QUALITY
Every part is sourced through vetted channels with documented chain-of-custody. Test reports and date codes available on request.
04 / IDENTITY
Headquartered in New Jersey with a US-based sourcing team. No outsourced reps, no offshore handoffs — just a phone number that goes to a person who knows ICs.
80MHz
Supply
2.7V ~ 5.5V
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