74HC30N,652 NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74HC30N,652 is a single-channel 8-input NAND gate logic IC manufactured by NXP USA Inc. in a 14-DIP through-hole package. This component is classified as obsolete, making substitute parts necessary for new designs, repairs, and production continuity. The 74HC series represents a standard logic family with widespread industrial application in digital circuit design.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	1
Number of Inputs	8
Voltage Supply Range	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High/Low	5.2mA / 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay	22ns @ 6V, 50pF
Operating Temperature	-40°C ~ 125°C
Mounting Type	Through Hole
Package	14-DIP (0.300", 7.62mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the 74HC30N,652 is determined by strict equivalence across the following electrical and mechanical parameters:

Logic function: Single-channel 8-input NAND gate
Voltage supply range: 2V ~ 6V
Output current capability: 5.2mA high and low
Propagation delay: 22ns @ 6V, 50pF
Input logic thresholds: 0.5V ~ 1.8V (low), 1.5V ~ 4.2V (high)
Operating temperature range: Minimum -40°C or lower, maximum 125°C or higher
Package compatibility: Through-hole or surface-mount variants of 14-pin configurations

Substitute parts are grouped into two categories: direct pin-compatible through-hole alternatives and functionally equivalent surface-mount options. All listed substitutes maintain identical electrical specifications and logic family membership (74HC series).

Parameter Comparison

Parameter	74HC30N,652 (NXP)	CD74HC30E (Harris)	CD74HC30M (TI)
Manufacturer	NXP USA Inc.	Harris Corporation	Texas Instruments
Logic Type	NAND Gate	NAND Gate	NAND Gate
Number of Circuits	1	1	1
Number of Inputs	8	8	8
Voltage Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V
Current - Quiescent (Max)	2 µA	2 µA	2 µA
Current - Output High/Low	5.2mA / 5.2mA	5.2mA / 5.2mA	5.2mA / 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V	0.5V ~ 1.8V	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V	1.5V ~ 4.2V	1.5V ~ 4.2V
Max Propagation Delay	22ns @ 6V, 50pF	22ns @ 6V, 50pF	22ns @ 6V, 50pF
Operating Temperature	-40°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Surface Mount
Package	14-DIP	14-PDIP	14-SOIC
Product Status	Obsolete	Obsolete	Discontinued at DiGi Electronics
RoHS Status	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

CD74HC30E (Harris Corporation) serves as the direct through-hole substitute for the 74HC30N,652. Both parts share identical package footprints (14-DIP/14-PDIP) and electrical specifications. The CD74HC30E operates across an extended temperature range (-55°C to 125°C) compared to the original part (-40°C to 125°C), providing additional margin for extreme environment applications. However, the CD74HC30E carries RoHS non-compliant status, which may restrict use in applications requiring RoHS3 certification.

CD74HC30M (Texas Instruments) provides functional equivalence with identical electrical performance but requires PCB redesign due to surface-mount packaging (14-SOIC). This substitute is appropriate for new designs or board revisions where surface-mount assembly is preferred. The CD74HC30M maintains ROHS3 compliance and extended operating temperature range (-55°C to 125°C), making it suitable for regulated environments and high-reliability applications.

Selection between through-hole and surface-mount substitutes depends on PCB assembly capability and design constraints. Both alternatives maintain full electrical compatibility with the original 74HC30N,652 specification.

Frequently Asked Questions (FAQ)

Q: Can CD74HC30E replace 74HC30N,652 in existing through-hole designs? A: Yes. The CD74HC30E is pin-compatible and electrically equivalent. Both use 14-DIP through-hole packages with identical pinout and electrical specifications. The extended operating temperature range of CD74HC30E (-55°C to 125°C) provides additional margin beyond the original part's -40°C to 125°C range.

Q: What is the primary difference between CD74HC30E and CD74HC30M? A: The primary difference is packaging. CD74HC30E uses through-hole 14-PDIP packaging, while CD74HC30M uses surface-mount 14-SOIC packaging. Electrical specifications are identical. CD74HC30M requires surface-mount assembly capability and PCB redesign.

Q: Does RoHS compliance affect substitution decisions? A: RoHS compliance is a regulatory consideration. The 74HC30N,652 and CD74HC30M are ROHS3 compliant, while CD74HC30E is RoHS non-compliant. Applications requiring RoHS certification must use either the original part or CD74HC30M.

Q: Are all three parts electrically interchangeable? A: Yes, within their respective package constraints. All three parts (74HC30N,652, CD74HC30E, and CD74HC30M) share identical electrical specifications: 2V ~ 6V supply, 22ns propagation delay, 5.2mA output current, and 8-input NAND logic function. Package selection determines physical compatibility.

Q: What is the operating temperature difference between substitutes? A: The original 74HC30N,652 operates from -40°C to 125°C. Both substitutes (CD74HC30E and CD74HC30M) extend the lower limit to -55°C, providing 15°C additional margin for cold environment applications. Upper temperature limit remains 125°C across all parts.

Q: Can CD74HC30M be used in legacy through-hole designs without modification? A: No. CD74HC30M requires surface-mount assembly and cannot be directly installed in through-hole sockets. PCB redesign and assembly process changes are necessary for this substitute.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message