74ACT11008PWR Equivalent & Substitute Parts

Part Overview

The 74ACT11008PWR is a 4-channel AND gate logic IC manufactured by Texas Instruments in a 16-TSSOP surface mount package. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing design requirements and production continuity. The part operates within a 4.5V to 5.5V supply voltage range and is suitable for applications requiring multiple independent AND logic functions with standard TTL-compatible input and output levels.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	4.5V ~ 5.5V
Current - Quiescent (Max)	4 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	8ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74ACT11008PWR is determined by strict equivalence across the following critical parameters:

Logic function: AND Gate with 4 channels, 2 inputs per channel
Electrical specifications: 4.5V ~ 5.5V supply voltage, 4 µA quiescent current, 24mA output drive capability, 8ns propagation delay at 5V with 50pF load
Input/output logic levels: 0.8V low threshold, 2V high threshold
Package form factor: 16-TSSOP surface mount configuration with 0.173" width (4.40mm)
Operating temperature range: -40°C ~ 85°C
Moisture sensitivity: MSL 1 (Unlimited)

The 74ACT11008PW meets all these criteria and qualifies as a direct substitute. Packaging format (Tube vs. other formats) does not affect functional or electrical compatibility.

Parameter Comparison

Parameter	74ACT11008PWR (Main)	74ACT11008PW (Substitute)
Manufacturer	Texas Instruments	Texas Instruments
Series	74ACT	74ACT
Logic Type	AND Gate	AND Gate
Number of Circuits	4	4
Number of Inputs	2	2
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Quiescent (Max)	4 µA	4 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.8V	0.8V
Input Logic Level - High	2V	2V
Max Propagation Delay @ V, Max CL	8ns @ 5V, 50pF	8ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40mm Width)	16-TSSOP (0.173", 4.40mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

The 74ACT11008PW is the appropriate substitute for the obsolete 74ACT11008PWR. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The primary distinction is product status: the 74ACT11008PW is active and available, whereas the 74ACT11008PWR is obsolete.

The 74ACT11008PW additionally provides ROHS3 compliance, which may be required for applications subject to environmental or regulatory restrictions. The main part's RoHS non-compliant status does not affect electrical performance but may restrict its use in certain markets or applications.

Both parts maintain identical performance characteristics across all critical parameters: logic function, supply voltage, quiescent current, output drive capability, propagation delay, input/output thresholds, operating temperature range, and package configuration. Direct substitution is supported without circuit modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can the 74ACT11008PW directly replace the 74ACT11008PWR without circuit changes?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters. No circuit modifications are required for substitution.

Q: What is the difference between the 74ACT11008PWR and 74ACT11008PW?

A: The primary differences are product status (obsolete vs. active) and RoHS compliance (non-compliant vs. ROHS3 compliant). Electrical and mechanical specifications are identical.

Q: Are there packaging differences between these parts?

A: Both parts use the 16-TSSOP surface mount package with identical dimensions (0.173" width, 4.40mm). The packaging format designation (PWR vs. PW) does not affect physical compatibility or performance.

Q: What supply voltage range is supported by the substitute part?

A: The 74ACT11008PW operates within a 4.5V to 5.5V supply voltage range, identical to the main part.

Q: What is the propagation delay specification for the 74ACT11008PW?

A: Maximum propagation delay is 8 nanoseconds at 5V supply voltage with a 50pF load, matching the main part specification.

Q: Is the 74ACT11008PW suitable for applications requiring RoHS compliance?

A: Yes. The 74ACT11008PW is ROHS3 compliant, making it suitable for applications with environmental or regulatory RoHS requirements.

Q: What is the operating temperature range for the substitute part?

A: The 74ACT11008PW operates across -40°C to 85°C, identical to the main part.

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