AM26LS33ACDR Equivalent & Substitute Parts

Part Overview

The AM26LS33ACDR is a 0/4 Receiver interface IC manufactured by Texas Instruments in a 16-SOIC surface mount package. This component is classified as an active product with ROHS3 compliance and unlimited moisture sensitivity rating. The AM26LS33ACDR operates within a supply voltage range of 4.75V to 5.25V and a temperature range of 0°C to 70°C, with a receiver hysteresis specification of 50 mV. Equivalent and substitute parts are identified based on matching package type, pin configuration, functional receiver classification, and electrical operating parameters that permit direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	AM26LS33ACDR
Manufacturer	Texas Instruments
Category	Interface
Type	Receiver
Number of Drivers/Receivers	0/4
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage - Supply	4.75V ~ 5.25V
Operating Temperature	0°C ~ 70°C
Receiver Hysteresis	50 mV
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the AM26LS33ACDR are qualified based on the following criteria:

Primary Matching Parameters:

Package type: 16-SOIC surface mount configuration
Functional classification: 0/4 Receiver IC
Pin-compatible footprint: 16-SOIC (0.154", 3.90mm Width)
RoHS3 compliance status
Moisture sensitivity level compatibility

Electrical Operating Range Compatibility: Substitutes must operate within overlapping or extended supply voltage and temperature ranges. The AM26LS33ACDR operates at 4.75V to 5.25V and 0°C to 70°C. Substitute parts with wider operating ranges (such as 4.5V to 5.5V or -40°C to 85°C) are compatible for applications within the original part's specified operating window.

Receiver Hysteresis Tolerance: The AM26LS33ACDR specifies 50 mV receiver hysteresis. Substitute parts with 60 mV hysteresis remain functionally compatible within standard interface applications, as this parameter variation falls within acceptable receiver input discrimination tolerances.

Parameter Comparison

Parameter	AM26LS33ACDR	DS26C32ATM/NOPB	DS26C32ATMX/NOPB	SP26LV432CN-L
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	MaxLinear, Inc.
Type	Receiver	Receiver	Receiver	Receiver
Number of Drivers/Receivers	0/4	0/4	0/4	0/4
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC
Voltage - Supply	4.75V ~ 5.25V	4.5V ~ 5.5V	4.5V ~ 5.5V	3.3V
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C
Receiver Hysteresis	50 mV	60 mV	60 mV	60 mV
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount

Engineering Selection Recommendations

DS26C32ATM/NOPB and DS26C32ATMX/NOPB (Texas Instruments): Both DS26C32 variants are active products with ROHS3 compliance. These parts feature extended operating temperature range (-40°C to 85°C) and wider supply voltage tolerance (4.5V to 5.5V) compared to the AM26LS33ACDR. The DS26C32ATMX/NOPB is available in Cut Tape & Digi-Reel packaging with higher inventory levels (22,854 units), while the DS26C32ATM/NOPB is supplied in Tube packaging. Both are direct functional substitutes for applications operating within the AM26LS33ACDR's specified parameters.

SP26LV432CN-L (MaxLinear, Inc.): The SP26LV432CN-L is classified as Last Time Buy product status. This part operates at a fixed 3.3V supply voltage, which differs from the AM26LS33ACDR's 5V nominal range. The SP26LV432CN-L is suitable only for applications specifically designed for 3.3V operation and should not be selected as a general substitute for 5V systems. Moisture sensitivity level is rated at 2 (1 Year), requiring controlled storage conditions compared to the unlimited rating of the AM26LS33ACDR.

Frequently Asked Questions (FAQ)

Q: Can DS26C32ATM/NOPB and DS26C32ATMX/NOPB be used interchangeably with AM26LS33ACDR? A: Yes. Both DS26C32 variants are pin-compatible 16-SOIC receiver ICs with matching 0/4 configuration. The extended operating ranges of the DS26C32 series encompass the AM26LS33ACDR's specified voltage and temperature windows, permitting direct substitution in applications designed for the original part.

Q: What is the difference between DS26C32ATM/NOPB and DS26C32ATMX/NOPB? A: Both parts are electrically identical. The primary difference is packaging format: DS26C32ATM/NOPB is supplied in Tube packaging, while DS26C32ATMX/NOPB is supplied in Cut Tape & Digi-Reel packaging. Selection depends on assembly process requirements and inventory availability.

Q: Is SP26LV432CN-L a suitable substitute for all applications? A: No. SP26LV432CN-L operates at 3.3V supply voltage, whereas AM26LS33ACDR is specified for 4.75V to 5.25V operation. SP26LV432CN-L is suitable only for 3.3V system designs. Additionally, SP26LV432CN-L carries Last Time Buy status, indicating discontinued production.

Q: What does receiver hysteresis mean in the context of these parts? A: Receiver hysteresis defines the voltage differential between the rising and falling threshold levels of the input comparator. The AM26LS33ACDR specifies 50 mV hysteresis, while substitute parts specify 60 mV. This 10 mV difference remains within acceptable tolerance for standard RS422/RS423/RS485 interface applications.

Q: Are all substitute parts RoHS3 compliant? A: Yes. The AM26LS33ACDR and all listed substitute parts (DS26C32ATM/NOPB, DS26C32ATMX/NOPB, SP26LV432CN-L) are ROHS3 compliant.

Q: What is the significance of product status (Active vs. Last Time Buy)? A: Active status indicates ongoing production and long-term availability. Last Time Buy status (SP26LV432CN-L) indicates the manufacturer has discontinued production; existing inventory represents the final supply. For new designs, Active products are recommended.

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