DS9637ACMX Equivalent & Substitute Parts Reference

Part Overview

The DS9637ACMX (Texas Instruments) is an obsolete RS422/RS423 interface receiver with 0/2 driver/receiver configuration, surface-mount 8-SOIC package, and supply voltage range of 4.75V to 5.25V. As the part is obsolete, engineers must identify suitable equivalent or substitute models to ensure continued design, manufacturing, and repair for assemblies utilizing this component.

Substiute Parts

DS9637ACMX

Texas InstrumentsIn Stock: 19586DS9637ACMX Datasheet

Current PartRFQ

SN75157DR

Texas InstrumentsIn Stock: 8124SN75157DR Datasheet

Parametric EquivalentRFQ

UA9637ACDR

Texas InstrumentsIn Stock: 66454UA9637ACDR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based strictly on matching the following key parameters: protocol (RS422, RS423), receiver type and configuration (0/2 drivers/receivers), supply voltage range (4.75V ~ 5.25V), receiver hysteresis (70 mV), operating temperature range (0°C ~ 70°C), package type and size (8-SOIC, surface mount), and certification statuses. Only parts meeting these parameters are considered suitable substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both SN75157DR and UA9637ACDR provide equivalent protocol support, electrical parameters, and package specifications as DS9637ACMX. The substitute parts are active and ROHS3 compliant, whereas DS9637ACMX is obsolete and RoHS non-compliant. Both substitutes maintain REACH unaffected status and ECCN EAR99 classification. Moisture Sensitivity Level is consistent with the original part or specified per part: SN75157DR at MSL 1 (Unlimited), UA9637ACDR at MSL 2 (1 Year).

Frequently Asked Questions (FAQ)

Q1: What key parameters must match when substituting DS9637ACMX? A1: Substitution requires matching protocol (RS422, RS423), receiver type and configuration (0/2), supply voltage (4.75V ~ 5.25V), receiver hysteresis (70 mV), operating temperature range (0°C ~ 70°C), and 8-SOIC package.

Q2: Are substitute parts SN75157DR and UA9637ACDR pin-compatible with DS9637ACMX? A2: These substitutes match the specified 8-SOIC surface-mount package and configuration, ensuring compatibility based on provided parameters.

Q3: What compliance differences exist between DS9637ACMX and its substitutes? A3: DS9637ACMX is RoHS non-compliant, whereas both SN75157DR and UA9637ACDR are ROHS3 compliant. All parts have REACH unaffected status and ECCN EAR99.

Q4: How does Moisture Sensitivity Level affect part selection? A4: DS9637ACMX and SN75157DR have MSL 1 (Unlimited), while UA9637ACDR has MSL 2 (1 Year). Selection should consider compatibility with assembly and storage procedures requiring these MSL specifications.

Q5: What package and mounting type requirements must be met for direct substitution? A5: All substitutes must be in the 8-SOIC (0.154", 3.90mm Width) surface-mount package, matching the original DS9637ACMX mechanical footprint based on provided parameters.