SN74AHC08MPWREP Equivalent & Substitute Parts

Part Overview

The SN74AHC08MPWREP is a 4-channel AND gate logic IC manufactured by Texas Instruments in 14-TSSOP surface mount packaging. This part is classified as Last Time Buy, indicating discontinued production with limited availability. Equivalent and substitute parts are necessary to ensure design continuity and long-term supply chain reliability for applications requiring AND gate functionality in the 74-series logic family.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V ~ 5.5V
Current Output (High/Low)	8mA / 8mA
Package Type	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C
Max Propagation Delay	7.9ns @ 5V, 50pF

Substitute Part Grouping Explanation

Substitution eligibility for the SN74AHC08MPWREP is determined by the following critical parameters:

Logic function: 4-channel AND gate with 2 inputs per channel
Package compatibility: 14-TSSOP surface mount form factor
Voltage supply range: Minimum 2V, maximum 5.5V
Output drive capability: 8mA high and low
Propagation delay: Maximum 7.9ns at 5V with 50pF load
Operating temperature range: Minimum -55°C to -40°C, maximum 125°C

Substitute parts must maintain identical logic configuration, package footprint, and electrical performance within these specified parameters. Parts are grouped by manufacturer and product status to facilitate selection based on availability and supply chain requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Product Status	Voltage Supply	Quiescent Current (Max)	Output Current (H/L)	Propagation Delay @ 5V, 50pF	Operating Temp	Package
SN74AHC08MPWREP	Texas Instruments	74AHC	Last Time Buy	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-55°C ~ 125°C	14-TSSOP
MC74VHC08DTR2G	onsemi	74VHC	Active	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-55°C ~ 125°C	14-TSSOP
74AHC08PW,118	Nexperia USA Inc.	74AHC	Active	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-40°C ~ 125°C	14-TSSOP
74AHC08PW-Q100J	Nexperia USA Inc.	74AHC	Active	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-40°C ~ 125°C	14-TSSOP
74AHC08T14-13	Diodes Incorporated	74AHC	Active	2V ~ 5.5V	20 µA	8mA / 8mA	7.5ns	-40°C ~ 125°C	14-TSSOP
74VHC08MTCX	Fairchild Semiconductor	74VHC	Active	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-40°C ~ 85°C	14-TSSOP
74VHC08PW,118	Nexperia USA Inc.	74VHC	Active	2V ~ 5.5V	2 µA	8mA / 8mA	7.9ns	-40°C ~ 125°C	14-TSSOP
SN74LV4T08PWREP	Texas Instruments	74LV	Active	1.6V ~ 5.5V	2 µA	8mA / 8mA	13ns	-40°C ~ 125°C	14-TSSOP

Engineering Selection Recommendations

Direct substitutes maintaining full parameter compatibility with the SN74AHC08MPWREP include MC74VHC08DTR2G (onsemi), 74AHC08PW,118 (Nexperia), and 74VHC08PW,118 (Nexperia). These parts share identical voltage supply range, output current specifications, propagation delay, and operating temperature range of -55°C to -40°C minimum with 125°C maximum.

For applications with relaxed lower temperature requirements (-40°C minimum), 74AHC08PW-Q100J (Nexperia) provides automotive-grade qualification with AEC-Q100 certification. The 74AHC08T14-13 (Diodes Incorporated) offers improved propagation delay of 7.5ns but exhibits elevated quiescent current of 20 µA compared to the 2 µA specification of the original part.

The 74VHC08MTCX (Fairchild Semiconductor) is suitable for applications with maximum operating temperature limited to 85°C. The SN74LV4T08PWREP (Texas Instruments) operates at lower voltage supply minimum of 1.6V but exhibits slower propagation delay of 13ns and includes Schmitt trigger input characteristics not present in the original part.

All substitute parts maintain 14-TSSOP surface mount packaging and RoHS3 compliance. Selection should prioritize parts with Active product status and established supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can I use 74VHC08 series parts as direct replacements for 74AHC08?

A: Yes, within specified parameter limits. Both 74VHC08 and 74AHC08 series maintain identical logic function, package footprint, voltage supply range, output current, and propagation delay. Verify operating temperature requirements match application specifications.

Q: What is the difference between 74AHC08PW,118 and 74AHC08PW-Q100J?

A: Both parts are manufactured by Nexperia and share identical electrical specifications. The 74AHC08PW-Q100J includes automotive-grade qualification with AEC-Q100 certification and is suitable for automotive applications. The 74AHC08PW,118 is standard industrial grade.

Q: Why does 74AHC08T14-13 show higher quiescent current?

A: The 74AHC08T14-13 manufactured by Diodes Incorporated specifies maximum quiescent current of 20 µA compared to 2 µA for other variants. This parameter difference must be evaluated for power consumption-sensitive applications.

Q: Is SN74LV4T08PWREP compatible with the original SN74AHC08MPWREP?

A: The SN74LV4T08PWREP shares the same logic function and package but operates at lower voltage supply minimum (1.6V vs 2V) and exhibits slower propagation delay (13ns vs 7.9ns). It includes Schmitt trigger input characteristics. Compatibility depends on application timing and voltage supply requirements.

Q: What is the significance of the 14-TSSOP package specification?

A: The 14-TSSOP (Thin Shrink Small Outline Package) with 0.173" width and 4.40mm width is the physical footprint standard for all listed parts. This ensures mechanical and electrical compatibility on printed circuit boards designed for the original SN74AHC08MPWREP.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts maintain RoHS3 compliance status. Verify specific part certifications and compliance documentation for applications requiring formal compliance verification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message