PI74LCX16245AE Equivalent & Substitute Parts

Part Overview

The PI74LCX16245AE is a non-inverting transceiver logic IC manufactured by Diodes Incorporated, featuring 2 elements with 8 bits per element and 3-state output capability. This device operates across a supply voltage range of 2V to 3.6V and is housed in a 48-TSSOP package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	PI74LCX16245AE
Manufacturer	Diodes Incorporated
Series	74LCX
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-TFSOP (0.240", 6.10mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PI74LCX16245AE is determined by the following critical parameters:

Core Functional Parameters:

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 8
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA

Electrical Parameters:

Voltage - Supply: 2V ~ 3.6V (minimum requirement)
Operating Temperature: -40°C ~ 85°C (TA)

Physical Parameters:

Package / Case: 48-TFSOP (0.240", 6.10mm Width) or compatible 48-pin packages
Mounting Type: Surface Mount

Compliance Parameters:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited) preferred for direct replacement

Substitute parts are grouped into two categories based on package compatibility:

Category 1: 48-TFSOP Package (Direct Pin-Compatible) Parts maintaining the exact 48-TFSOP footprint with identical electrical specifications.

Category 2: 48-SSOP Package (Alternate Package) Parts with equivalent electrical specifications but different physical package dimensions (48-BSSOP, 0.295", 7.50mm Width). These require PCB layout modification.

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Voltage Supply	Operating Temp	Package	MSL	Output Current (mA)
PI74LCX16245AE	Diodes Incorporated	74LCX	Obsolete	2V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
74LCX16245MTDX	onsemi	74LCX	Active	2V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	2	24/24
74LVC16245APAG	Renesas Electronics	74LVC	Active	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
74LVC16245APAG8	Renesas Electronics	74LVC	Active	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
74LVC16245APVG	Renesas Electronics	74LVC	Last Time Buy	2.7V ~ 3.6V	-40°C ~ 85°C	48-SSOP	3	24/24
74LVC16245APVG8	Renesas Electronics	74LVC	Active	2.7V ~ 3.6V	-40°C ~ 85°C	48-SSOP	3	24/24
74LVCH16245APAG	Renesas Electronics	74LVCH	Active	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
74LVCH16245APAG8	Renesas Electronics	74LVCH	Active	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
M74LCX16245DTR2G	onsemi	74LCX	Obsolete	2V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	1	24/24
SN74LVC16245ADGG	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	-40°C ~ 125°C	48-TFSOP	1	24/24
SN74LVC16245ADGGR	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	-40°C ~ 125°C	48-TFSOP	1	24/24

Engineering Selection Recommendations

Primary Recommendation: 74LCX16245MTDX (onsemi)

This part is the preferred direct replacement. It maintains identical electrical specifications (2V ~ 3.6V supply, 24mA output current) and package configuration (48-TFSOP). The part is currently in active production status with 32,954 units in stock. MSL rating of 2 (1 Year) is acceptable for most applications. ROHS3 compliance and EAR99 classification match the original part.

Secondary Recommendation: SN74LVC16245ADGGR (Texas Instruments)

This part offers enhanced specifications with extended operating temperature range (-40°C ~ 125°C) and lower minimum supply voltage (1.65V ~ 3.6V). It is actively produced with 65,188 units in stock. The 48-TFSOP package provides direct PCB compatibility. MSL rating of 1 (Unlimited) and ROHS3 compliance ensure reliability. This option is suitable when extended temperature performance is required.

Alternative for 48-TFSOP Package: 74LVC16245APAG8 (Renesas Electronics)

This part maintains the 48-TFSOP footprint with 2,900 units available. Supply voltage range of 2.7V ~ 3.6V is compatible with the original specification. MSL rating of 1 (Unlimited) and ROHS3 compliance are equivalent to the original part.

Package Variant: 74LVC16245APVG8 (Renesas Electronics)

For applications where package size adjustment is acceptable, this part offers active production status in a 48-SSOP package. The 48-BSSOP footprint (0.295", 7.50mm Width) differs from the original 48-TFSOP, requiring PCB redesign. MSL rating of 3 (168 Hours) requires controlled storage conditions.

Obsolete Status Consideration: M74LCX16245DTR2G (onsemi)

While this part shares the same series and specifications as the original, it is classified as obsolete. Use only if existing inventory is available and long-term supply is not required.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVC16245ADGGR as a direct replacement for PI74LCX16245AE?

A: Yes. Both parts feature identical logic type (Transceiver, Non-Inverting), element configuration (2 elements, 8 bits per element), output type (3-State), and output current (24mA). The 48-TFSOP package is pin-compatible. The SN74LVC16245ADGGR offers extended operating temperature range (-40°C ~ 125°C versus -40°C ~ 85°C) and lower minimum supply voltage (1.65V versus 2V), making it functionally superior for most applications.

Q: What is the difference between 74LVC16245APAG and 74LVC16245APAG8?

A: Both parts are electrically identical with the same specifications and 48-TFSOP package. The primary difference is packaging format: 74LVC16245APAG is supplied in Tube packaging, while 74LVC16245APAG8 is supplied in Tape & Reel (TR) format. Selection depends on assembly process requirements and quantity needs.

Q: Why do some substitute parts have different supply voltage ranges?

A: The original PI74LCX16245AE operates at 2V ~ 3.6V. Some substitutes, such as SN74LVC16245ADGGR, operate at 1.65V ~ 3.6V. This represents an extended lower voltage capability. Parts with 2.7V ~ 3.6V ranges (such as 74LVC16245APAG) have a higher minimum voltage but remain compatible with the original specification since 2.7V falls within the 2V ~ 3.6V range.

Q: Can I use 74LVC16245APVG8 if my PCB is designed for 48-TFSOP?

A: No. The 74LVC16245APVG8 uses a 48-SSOP package (48-BSSOP, 0.295", 7.50mm Width), which differs from the original 48-TFSOP (0.240", 6.10mm Width). PCB layout modification is required. Use only if redesign is feasible.

Q: What does MSL rating mean for component selection?

A: Moisture Sensitivity Level (MSL) indicates how long a component can be stored in standard conditions before requiring baking. MSL 1 (Unlimited) allows indefinite storage. MSL 2 (1 Year) requires use within one year of packaging. MSL 3 (168 Hours) requires use within one week. For the PI74LCX16245AE replacement, MSL 1 or MSL 2 are preferred for supply chain flexibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the original part's environmental compliance status.

Q: Which substitute offers the best long-term availability?

A: SN74LVC16245ADGGR (Texas Instruments) is the recommended choice for long-term availability. It is in active production status with the highest inventory level (65,188 units) and offers extended operating temperature range, providing design flexibility for future applications.

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