Where can I buy SN74LS640?

SN74LS640 is available from Win Source. See pricing comparison above.

Is SN74LS640 in stock?

Yes, SN74LS640 is currently in stock at multiple distributors with immediate availability.

Name: ON Semiconductor . SN74LS640
Brand: ON Semiconductor
Availability: InStock

Brand name, Manufacturer name, Manufacturer	ON Semiconductor
moq, multiple, tierMinQty1	1
MPN, SKU	SN74LS640
qtyInStock	51

Seller	SKU	MOQ	In stock	Multiple	Prices
Win Source	SN74LS640	1	51	1