Cambricon / 寒武纪 / TECHNICAL REFERENCE

MLU220

Cambricon's Siyuan 220 edge AI SoC. The launch release explicitly separates MLU220 silicon from its M.2 accelerator card.

FPGA.io Part Number FIO-8D91C36D2828A06FInternal catalogue reference · manufacturer MPN remains unchanged

Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28

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MLU220 — technical feature overview — Technical schematicFPGA.io technical schematic for MLU220. Values summarize the documented fields below; consult their source conditions. This is an abstract diagram, not a product photograph, package drawing or pinout. Parameter sources below ↓

DOCUMENTED FACTS

Technical parameters

4 source-linked fields

Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.

Parameter	Documented value	Source & conditions
Architecture	MLUv02	Cambricon launches Siyuan 220 edge AI chip ↗思元220芯片 architecture paragraph
Peak integer compute	Up to 32 TOPS INT4	Cambricon launches Siyuan 220 edge AI chip ↗思元220芯片 architecture paragraph
Configurable fixed-point widths	16, 8 and 4 bits	Cambricon launches Siyuan 220 edge AI chip ↗思元220芯片 fixed-point computation paragraph
Process technology	TSMC 16 nm	Cambricon launches Siyuan 220 edge AI chip ↗AI SoC edge-accelerator description

Official documents

Cambricon launches Siyuan 220 edge AI chip20 November 2019; chip architecture and SoC descriptionsWeb ↗

Ordering and board constraints

This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.

The MLU220-M.2 board has separate throughput and power limits; do not substitute its specifications for the chip.
Validate quantization, operator support and the exact NeuWare/software release for the target model.
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Series & categories

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COMPLETE PART IDENTITIES

Ordering numbers for MLU220

0 documented codes

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Exact ordering code requires confirmation

The cited public material did not establish a literal complete ordering row in this pass. This is an evidence limit, not a claim that no code exists. The existing device identity is retained; no suffix combinations, neighboring chips, boards or systems are substituted.

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