Where can I buy CD4045BPWG4?

CD4045BPWG4 is available from Digi-Key, Hotenda, Rochester Electronics. See pricing comparison above.

CD4045BPWG4 Texas Instruments | Integrated Circuits (ICs) | DigiKey

Brand name, Manufacturer name, Manufacturer, Attribute01	Texas Instruments
Attribute00	Integrated Circuits (ICs)
Attribute02	4000B
Attribute03	Tube
Attribute04	Obsolete
Attribute05	Binary Counter
Attribute06	Up
Attribute07, Attribute08	-
Attribute09	Negative Edge
Attribute10	-55?C ~ 125?C
Attribute11	Surface Mount
Attribute12	16-TSSOP (0.173"", 4.40mm Width)
Attribute13	16-TSSOP
Attribute14, atoms, moq, multiple	1
Attribute15	21
Attribute16	12MHz
Attribute17	3V ~ 18V
Attribute18	CD4045
AttributeKey00	Category
AttributeKey01	Mfr
AttributeKey02	Series
AttributeKey03	Package
AttributeKey04	Part Status
AttributeKey05	Logic Type
AttributeKey06	Direction
AttributeKey07	Reset
AttributeKey08	Timing
AttributeKey09	Trigger Type
AttributeKey10	Operating Temperature
AttributeKey11	Mounting Type
AttributeKey12	Package / Case
AttributeKey13	Supplier Device Package
AttributeKey14	Number of Elements
AttributeKey15	Number of Bits per Element
AttributeKey16	Count Rate
AttributeKey17	Voltage - Supply
AttributeKey18	Base Product Number
Extra Product Name	CD4045BPWG4 Texas Instruments \| Integrated Circuits (ICs) \| DigiKey
extraShipping, qtyInStock	0
MPN	CD4045BPWG4
SKU	1896663

Seller	SKU	MOQ	Multiple
Digi-Key	1896663	1	1
Hotenda	H2497356	1	1
Rochester Electronics	CD4045BPWG4