CD4093BE-NG Equivalent & Substitute Parts

Part Overview

The CD4093BE-NG is a NAND Gate IC featuring 4 channels with 2 inputs per channel and integrated Schmitt Trigger functionality. Manufactured by Texas Instruments, this component operates across a wide supply voltage range of 3V to 18V and is housed in a 14-DIP through-hole package. The device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and production continuity. The CD4093BE-NG belongs to the 4000B logic series and maintains ROHS3 compliance.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Features	Schmitt Trigger
Voltage - Supply	3V ~ 18V
Operating Temperature	-55°C ~ 125°C
Series	4000B
Package Type	14-DIP (Through Hole)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the CD4093BE-NG is determined by strict equivalence across the following electrical and functional parameters:

Critical Matching Parameters:

Logic Type: NAND Gate (4 channels, 2 inputs per channel)
Schmitt Trigger functionality
Supply Voltage Range: 3V ~ 18V
Operating Temperature Range: -55°C ~ 125°C
Series Classification: 4000B
RoHS3 Compliance

The CD4093BPWR qualifies as a manufacturer-recommended substitute because it maintains identical logic configuration, Schmitt Trigger characteristics, supply voltage specifications, and temperature operating range. The primary distinction lies in packaging format: the substitute transitions from through-hole (14-DIP) to surface-mount (14-TSSOP) technology. This packaging change requires corresponding modifications to PCB layout and assembly processes but does not alter electrical functionality or performance characteristics.

Parameter Comparison

Parameter	CD4093BE-NG	CD4093BPWR	Compatibility
Logic Type	NAND Gate	NAND Gate	Identical
Number of Circuits	4	4	Identical
Number of Inputs	2	2	Identical
Features	Schmitt Trigger	Schmitt Trigger	Identical
Voltage - Supply	3V ~ 18V	3V ~ 18V	Identical
Current - Quiescent (Max)	20 µA	4 µA	Compatible (BPWR lower)
Current - Output High, Low	6.8mA, 6.8mA	3.4mA, 3.4mA	Compatible (BPWR lower)
Max Propagation Delay @ 15V, 50pF	130ns	130ns	Identical
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	Identical
Mounting Type	Through Hole	Surface Mount	Different (requires PCB redesign)
Package / Case	14-DIP (0.300", 7.62mm)	14-TSSOP (0.173", 4.40mm Width)	Different format
Product Status	Obsolete	Active	Substitute is current production
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical

Engineering Selection Recommendations

The CD4093BPWR serves as the active production equivalent to the obsolete CD4093BE-NG. Selection between these components is determined by application requirements and PCB assembly capabilities:

For Through-Hole Assembly Requirements: The CD4093BE-NG remains available in current inventory (626 pieces) and maintains full functional equivalence. However, the obsolete product status indicates limited long-term availability and potential supply discontinuation.

For Surface-Mount Assembly or New Designs: The CD4093BPWR is the manufacturer-recommended substitute, classified as active product status with substantial inventory availability (63,200 pieces). This component delivers superior electrical characteristics, including reduced quiescent current (4 µA versus 20 µA) and lower output drive current (3.4mA versus 6.8mA), resulting in improved power efficiency. The TSSOP package enables smaller PCB footprint and automated assembly compatibility.

Both components maintain ROHS3 compliance and identical electrical performance specifications. The CD4093BPWR includes REACH compliance documentation and assigned ECCN/HTSUS classifications for regulatory purposes.

Frequently Asked Questions (FAQ)

Q: Can CD4093BPWR directly replace CD4093BE-NG in existing through-hole PCB designs?

A: No. The CD4093BPWR uses 14-TSSOP surface-mount packaging while the CD4093BE-NG uses 14-DIP through-hole packaging. Direct PCB substitution is not possible without layout redesign. However, the electrical functionality is identical, allowing schematic-level equivalence with appropriate PCB modifications.

Q: What are the key electrical differences between these two parts?

A: The logic function and performance are identical. The CD4093BPWR exhibits lower power consumption: quiescent current of 4 µA (versus 20 µA) and output drive current of 3.4mA (versus 6.8mA). Propagation delay remains 130ns at identical test conditions. These differences reflect manufacturing process improvements in the active product.

Q: Why is the CD4093BE-NG classified as obsolete?

A: The through-hole 14-DIP package format represents legacy assembly technology. Modern production has transitioned to surface-mount packages. The CD4093BPWR in 14-TSSOP format represents the current manufacturing standard for this logic function.

Q: Are there any compatibility concerns when switching from CD4093BE-NG to CD4093BPWR?

A: Electrical compatibility is complete. Pin functionality and signal levels are identical. The only requirement is PCB redesign to accommodate the different package footprint and surface-mount assembly process. No circuit modifications are necessary.

Q: What is the moisture sensitivity level (MSL) difference?

A: The CD4093BE-NG lists MSL as Not Applicable (through-hole component). The CD4093BPWR specifies MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for surface-mount storage and handling.

Q: Can both parts be used interchangeably in the same circuit design?

A: Yes, at the circuit level. Both components provide identical NAND gate logic with Schmitt Trigger characteristics across the full 3V to 18V supply range and -55°C to 125°C temperature range. Physical implementation differs due to packaging, requiring separate PCB designs.

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