WCH(Jiangsu Qin Heng) CH558L

Type	Description	Select
Category	Microcontrollers (MCU/MPU/SOC)
Manufacturer	WCH(Jiangsu Qin Heng)
Package/Case	TQFP-48(7x7)
CPU Maximum Speed	56MHz
Program Memory Type	FLASH
Applications	-
Program Storage Size	35KB
Voltage - Supply	3.3V~5V
CPU Core	51Series
Number of I/O	45
ADC (Bit)	10bit

Payment Methods

We accept multiple payment methods, including PayPal, credit cards, and bank transfers.

RFQ (Request for Quote)

1. For in-stock items with a price, you can order directly.
2. For out-of-stock or unpriced items, please submit an RFQ, and we'll respond within 24 hours.

Supply Information

1. SemiKey Stock: Directly sourced from original manufacturers, authorized distributors, or OEM/EMS.

2. Authorized Distributor: Directly sourced from original manufacturers or their authorized distributors.
3. OEM & EMS: Excess inventory from OEM and EMS production lines.
4. Qualified Supplier: Supplied by vetted independent suppliers who meet our quality and traceability standards.

About Shipping Costs

Shipping charges are paid at checkout if you use our account. If using your own account, costs are settled between you and the courier.

Note: Customers are responsible for any customs duties, taxes, or fees. SemiKey is not liable for additional charges once the package ships.

Shipping Methods

We offer shipping through DHL, FedEx, UPS, and SF Express.

Delivery Time

1. Orders from SemiKey usually ship within 3 days.

2. Lead times for other suppliers may vary; please reconfirm.

3. Delivery time depends on the courier you select.

Specifications

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