SC16IS740IPW UART Interface Controller - Equivalent & Substitute Parts

Part Overview

The SC16IS740IPW is a single UART interface controller manufactured by NXP USA Inc., designed for RS232 and RS485 communication protocols. This device integrates I2C, SPI, and UART interfaces within a 16-TSSOP package, providing FIFO buffering for serial communication applications. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, package dimensions, and functional capabilities match the original component, enabling direct replacement in circuit designs without modification.

Substiute Parts

SC16IS740IPW,128
NXP USA Inc.In Stock: 4008SC16IS740IPW,128 Datasheet
SC16IS740IPW,128
Current Part
SC16IS740IPW/Q900,
NXP USA Inc.In Stock: 8393SC16IS740IPW/Q900, Datasheet
SC16IS740IPW/Q900,
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number SC16IS740IPW,128
Manufacturer NXP USA Inc.
Category Interface
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Protocol Support RS232, RS485
Interface Types I2C, SPI, UART
Voltage - Supply 2.5V, 3.3V
Current - Supply 6mA
Operating Temperature Range -40°C ~ 95°C
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Product Status Active

Substitute Part Grouping Explanation

Substitute parts for the SC16IS740IPW are identified based on strict parametric equivalence across the following criteria:

  • Base Product Number: SC16IS740 (identical silicon)
  • Package Type: 16-TSSOP with matching 0.173" width and 4.40mm dimensions
  • Protocol Support: RS232 and RS485 capability
  • Interface Compatibility: I2C, SPI, and UART support
  • Supply Voltage Range: 2.5V and 3.3V operation
  • Supply Current: 6mA specification
  • Operating Temperature: -40°C to 95°C range
  • Compliance: RoHS3 and REACH status alignment
  • Moisture Sensitivity: MSL 1 rating

The SC16IS740IPW,128 and SC16IS740IPW/Q900 share identical electrical and mechanical specifications, differing only in manufacturing lot designation and inventory source. Both parts are manufactured by NXP USA Inc. and maintain active product status.

Parameter Comparison

Parameter SC16IS740IPW,128 SC16IS740IPW/Q900
Manufacturer NXP USA Inc. NXP USA Inc.
Base Product Number SC16IS740 SC16IS740
Package / Case 16-TSSOP (0.173", 4.40mm Width) 16-TSSOP (0.173", 4.40mm Width)
Protocol Support RS232, RS485 RS232, RS485
Interface Types I2C, SPI, UART I2C, SPI, UART
Voltage - Supply 2.5V, 3.3V 2.5V, 3.3V
Current - Supply 6mA 6mA
Operating Temperature Range -40°C ~ 95°C -40°C ~ 95°C
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
Product Status Active Active

Engineering Selection Recommendations

Both SC16IS740IPW,128 and SC16IS740IPW/Q900 are qualified for direct substitution in applications requiring single UART interface control with RS232/RS485 protocol support. Selection between these parts is based on availability and supply chain requirements rather than functional differences. Both parts maintain active product status with full RoHS3 compliance and REACH unaffected designation, ensuring regulatory compliance across industrial and commercial applications. The unlimited MSL rating (MSL 1) permits extended storage without moisture bake-out requirements prior to assembly.

Frequently Asked Questions (FAQ)

Q: Can SC16IS740IPW/Q900 replace SC16IS740IPW,128 in existing designs? A: Yes. Both parts share identical electrical specifications, package dimensions, and functional capabilities. No circuit modifications are required for substitution.

Q: What is the difference between SC16IS740IPW,128 and SC16IS740IPW/Q900? A: The difference is limited to manufacturing lot designation and inventory source. The electrical and mechanical specifications are identical.

Q: Are both parts suitable for -40°C to 95°C operating environments? A: Yes. Both SC16IS740IPW,128 and SC16IS740IPW/Q900 are rated for the full -40°C to 95°C operating temperature range.

Q: Do both parts support the same communication protocols? A: Yes. Both parts support RS232 and RS485 protocols with I2C, SPI, and UART interface options.

Q: What is the package type for these parts? A: Both parts use 16-TSSOP packaging with 0.173" width and 4.40mm dimensions, ensuring identical PCB footprint compatibility.

Q: Are these parts RoHS3 compliant? A: Yes. Both SC16IS740IPW,128 and SC16IS740IPW/Q900 are ROHS3 compliant and REACH unaffected.

Q: What supply voltage range do these parts support? A: Both parts operate at 2.5V and 3.3V supply voltages with 6mA supply current specification.

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