PI3B16245AE Equivalent & Substitute Parts

Part Overview

The PI3B16245AE is an 8 x 1:1 bus switch logic IC manufactured by Diodes Incorporated in a 48-TSSOP package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The part operates with a single supply voltage range of 3V to 3.6V and supports operating temperatures from -40°C to 85°C. Substitute parts must maintain functional equivalence in bus switching topology while meeting the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Type	Bus Switch
Circuit Configuration	8 x 1:1
Independent Circuits	2
Voltage Supply Source	Single Supply
Voltage - Supply Range	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	48-TFSOP (0.240", 6.10mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PI3B16245AE is determined by the following critical parameters:

Bus Switch Topology: 8 x 1:1 configuration with 2 independent circuits
Supply Voltage Compatibility: Substitute parts must operate within the specified voltage range
Package Type: Surface mount 48-pin packages (TSSOP, TVSOP, or SSOP variants)
Operating Temperature Range: -40°C to 85°C
Compliance Standards: ROHS3 compliance and REACH unaffected status

The substitute parts listed below maintain these core functional and electrical parameters. Package variants (TSSOP, TVSOP, SSOP) represent different physical footprints but equivalent electrical performance for the bus switch function.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Product Status	Voltage Supply (V)	Operating Temp (°C)	Package Type	Packaging Format	Inventory (Pcs)
PI3B16245AE	Diodes Incorporated	-	Obsolete	3.0 ~ 3.6	-40 ~ 85	48-TFSOP	-	807
74CBTLV16245PAG	Renesas Electronics	74CBTLV	Active	2.3 ~ 3.6	-40 ~ 85	48-TFSOP	Tube	1334
74CBTLV16245PAG8	Renesas Electronics	74CBTLV	Active	2.3 ~ 3.6	-40 ~ 85	48-TFSOP	Cut Tape	902
SN74CB3Q16245DGGR	Texas Instruments	74CB	Active	2.3 ~ 3.6	-40 ~ 85	48-TFSOP	Tape & Reel	2100
SN74CB3Q16245DGVR	Texas Instruments	74CB	Active	2.3 ~ 3.6	-40 ~ 85	48-TVSOP	Tape & Reel	2000
SN74CB3Q16245DL	Texas Instruments	74CB	Active	2.3 ~ 3.6	-40 ~ 85	48-BSSOP	Tube	817
SN74CB3Q16245DLR	Texas Instruments	74CB	Active	2.3 ~ 3.6	-40 ~ 85	48-BSSOP	Tape & Reel	22705

Engineering Selection Recommendations

All listed substitute parts are active products from established manufacturers (Renesas Electronics and Texas Instruments), ensuring long-term availability and supply chain stability compared to the obsolete PI3B16245AE. All substitutes maintain ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

Selection between substitute parts depends on packaging format requirements and PCB footprint constraints:

74CBTLV16245PAG and 74CBTLV16245PAG8 (Renesas): Maintain the original 48-TFSOP footprint with extended voltage range (2.3V minimum vs. 3V minimum). Available in tube and cut tape formats.
SN74CB3Q16245DGGR (Texas Instruments): 48-TFSOP package with tape & reel packaging. Highest inventory availability (2100 pcs).
SN74CB3Q16245DGVR (Texas Instruments): 48-TVSOP package (narrower 4.40mm width vs. 6.10mm). Suitable for space-constrained designs with compatible PCB layouts.
SN74CB3Q16245DL and SN74CB3Q16245DLR (Texas Instruments): 48-BSSOP package (wider 7.50mm footprint). SN74CB3Q16245DLR offers highest inventory (22705 pcs) in tape & reel format.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a lower minimum supply voltage (2.3V vs. 3V)?

A: Yes. The substitute parts operate at 2.3V to 3.6V, which encompasses the original 3V to 3.6V range. The lower minimum voltage provides additional design flexibility without compromising compatibility with the original 3V specification.

Q: What is the difference between 48-TFSOP, 48-TVSOP, and 48-BSSOP packages?

A: These are different physical footprints for the same 48-pin bus switch function. TFSOP (0.240" width) and TVSOP (0.173" width) are thin small-outline packages; BSSOP (0.295" width) is a broader small-outline package. PCB layout and available space determine which package variant is suitable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulations.

Q: Which substitute offers the best inventory availability?

A: SN74CB3Q16245DLR (Texas Instruments) has the highest inventory at 22705 pcs in tape & reel format, followed by SN74CB3Q16245DGGR at 2100 pcs.

Q: Can I mix different substitute parts in the same design?

A: Functionally, yes. All substitutes maintain the same 8 x 1:1 bus switch topology, 2 independent circuits, and electrical specifications. However, different package types require different PCB footprints, so physical interchangeability depends on your specific layout.

Q: What is the moisture sensitivity level for all parts?

A: All parts, including the original PI3B16245AE and all substitutes, have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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