DM74ALS04BMX Equivalent & Substitute Parts

Part Overview

The DM74ALS04BMX is a 6-channel inverter logic IC manufactured by onsemi in a 14-SOIC surface mount package. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The 74ALS logic family provides standard inverter functionality with specified electrical characteristics suitable for digital logic circuits operating within the 4.5V to 5.5V supply voltage range.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	4.5V ~ 5.5V
Current - Output High, Low	400µA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	11ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Series	74ALS
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DM74ALS04BMX are classified based on electrical and mechanical parameter alignment within the 74ALS inverter logic family. Substitution eligibility is determined by the following criteria:

Critical Parameters for Substitution:

Logic type (Inverter) and circuit configuration (6 channels, 1 input per channel)
Supply voltage range (4.5V ~ 5.5V)
Output current specifications (400µA, 8mA)
Input logic levels (0.8V low, 2V high)
Propagation delay (11ns @ 5V, 50pF)
Operating temperature range (0°C ~ 70°C)
Surface mount technology and 14-pin package format

Direct Substitutes maintain identical electrical and mechanical specifications with matching 14-SOIC package dimensions (0.154", 3.90mm width).

Similar Substitutes maintain all critical electrical parameters but feature alternative package dimensions (0.209", 5.30mm width) within the 14-SO family, requiring PCB layout verification for mechanical compatibility.

Parameter Comparison

Parameter	DM74ALS04BMX (onsemi)	SN74ALS04BD (TI)	SN74ALS04BDR (TI)	SN74ALS04BNSR (TI)
Logic Type	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6
Number of Inputs	1	1	1	1
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Output High, Low	400µA, 8mA	400µA, 8mA	400µA, 8mA	400µA, 8mA
Input Logic Level - Low	0.8V	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V	2V
Max Propagation Delay @ V, Max CL	11ns @ 5V, 50pF	11ns @ 5V, 50pF	11ns @ 5V, 50pF	11ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.154", 3.90mm)	14-SOIC (0.209", 5.30mm)
Series	74ALS	74ALS	74ALS	74ALS
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Last Time Buy	Active	Active

Engineering Selection Recommendations

SN74ALS04BDR (Texas Instruments) is the primary substitute for new designs and production. This part is active status with ROHS3 compliance, matching all electrical and mechanical specifications of the DM74ALS04BMX. The 14-SOIC package (0.154", 3.90mm width) provides direct PCB compatibility without layout modifications.

SN74ALS04BD (Texas Instruments) serves as an alternative direct substitute with identical electrical and package specifications. This part carries Last Time Buy status, indicating limited future availability. Selection should prioritize SN74ALS04BDR for ongoing applications.

SN74ALS04BNSR (Texas Instruments) maintains all critical electrical parameters but features a wider 14-SO package (0.209", 5.30mm width). This part is suitable only when PCB layout accommodates the increased package width. Active status and ROHS3 compliance support long-term availability.

All substitute parts share REACH Unaffected and EAR99 export classification status with the original part.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS04BNSR replace DM74ALS04BMX directly on existing PCBs?

A: SN74ALS04BNSR maintains identical electrical functionality but features a wider package body (0.209" vs 0.154" width). Direct PCB substitution requires verification that the increased package width does not conflict with adjacent components or trace routing. Pin-to-pin compatibility is maintained within the 14-pin configuration.

Q: What is the difference between SN74ALS04BD and SN74ALS04BDR?

A: Both parts are electrically and mechanically identical. The primary difference is product status: SN74ALS04BD is Last Time Buy, while SN74ALS04BDR is Active. For new production, SN74ALS04BDR is recommended due to ongoing availability.

Q: Are all substitute parts RoHS compliant?

A: Yes. SN74ALS04BD, SN74ALS04BDR, and SN74ALS04BNSR are all ROHS3 compliant. The original DM74ALS04BMX RoHS status is not specified in available documentation.

Q: What packaging formats are available for the substitute parts?

A: SN74ALS04BD is supplied in Tube packaging. SN74ALS04BDR is supplied in Cut Tape (CT) format. SN74ALS04BNSR is supplied in Tape & Reel (TR) format. Selection depends on production volume and assembly requirements.

Q: Do all parts operate within the same temperature range?

A: Yes. All parts, including the original DM74ALS04BMX and all substitutes, operate within the 0°C to 70°C temperature range.

Q: Are there any differences in quiescent current specifications?

A: SN74ALS04BNSR specifies a maximum quiescent current of 1.1 mA. This specification is not provided for the other parts. This parameter does not affect substitution eligibility for standard logic applications.

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