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NXP Semiconductors SC16IS760IPW,128
- Part No.:
- SC16IS760IPW,128
- Manufacturer:
- NXP Semiconductors
- Category:
- Controllers
- Package:
- 24-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SC16IS760IPW,128.pdf
- Description:
- IC UART 64BYTE 24TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,546
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Product details
Overview
SC16IS760IPW,128 from NXP Semiconductors is a single-channel UART IC with dual I²C-bus/SPI host interface, 64-byte TX/RX FIFOs, IrDA SIR support up to 1.152 Mbit/s, and eight programmable GPIOs - enabling protocol bridging between microcontrollers and RS-232/RS-485 peripherals in space-constrained industrial gateways.
For engineers reviewing the SC16IS760IPW,128 datasheet, SC16IS760IPW,128 pinout, SC16IS760IPW,128 application, or SC16IS760IPW,128 equivalent, this device delivers high-speed SPI (15 Mbit/s), low-power sleep mode (<30 μA), auto RTS/CTS flow control, and 16C450 register compatibility for rapid firmware porting.
Technical Context
The SC16IS760IPW,128 implements a full-duplex UART core with independently programmable 64-byte transmit and receive FIFOs, supporting baud rates up to 5 Mbit/s in 16× clock mode and automatic RS-485 driver direction control via RTS. Its register set is fully backward-compatible with the industry-standard 16C450, simplifying software integration.
It operates at 2.5 V or 3.3 V across –40 °C to +95 °C, supports both I²C-bus (400 kbit/s) and SPI (15 Mbit/s) host interfaces on the same silicon, and integrates IrDA SIR encoder/decoder hardware - distinguishing it from the SC16IS750 by its higher SPI speed and 10× faster IrDA throughput (1.152 Mbit/s vs. 115.2 kbit/s).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | I²C-bus (400 kbit/s) or SPI (15 Mbit/s); selectable via I2C/SPI pin - enables flexible host connectivity without redesign. |
| UART Data Rate | Up to 5 Mbit/s in 16× clock mode - supports high-throughput serial links such as industrial telemetry or modem backhaul. |
| FIFO Depth | 64 bytes TX + 64 bytes RX with programmable trigger levels - reduces CPU interrupt load and prevents overrun in bursty traffic. |
| IrDA SIR Speed | 1.152 Mbit/s - enables legacy infrared communication in handheld diagnostics tools and medical devices. |
| GPIO Pins | 8 programmable I/O pins (GPIO0–GPIO7), configurable as DSR/DTR/CD/RI - extends system control without external logic. |
| Power Supply | 2.5 V or 3.3 V operation; sleep current <30 μA - suitable for battery-powered portable instrumentation. |
| Temperature Range | –40 °C to +95 °C - qualified for industrial automation and factory-floor deployment. |
Pinout & Package
TSSOP24 package (SOT355-1): plastic thin shrink small outline, 24 leads, 4.4 mm body width, lead pitch 0.65 mm - optimized for compact PCB layouts in embedded edge nodes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (XTAL2) | Crystal oscillator output | Drives external crystal or provides clock feedback; used with XTAL1 to generate internal timing reference. |
| 2 (XTAL1) | Crystal input / external clock input | Accepts crystal (1–25 MHz) or external clock source; determines UART baud rate accuracy and stability. |
| 4 (RESET) | Hardware reset input (active LOW) | Synchronously resets all registers and disables TX/RX; required for deterministic initialization after power-up. |
| 24 (RTS) | UART request-to-send output (active LOW) | Controls RS-485 transceiver direction automatically when auto RTS enabled; eliminates need for discrete direction logic. |
| 14 (IRQ) | Interrupt output (open-drain, active LOW) | Signals UART events (RX ready, TX empty, errors, GPIO change) to host MCU - reduces polling overhead. |
| 9 (I2C/SPI) | Interface select input | HIGH = I²C mode; LOW = SPI mode - configures pin functions and electrical behavior at power-on. |
| 15–23 (GPIO0–GPIO7) | Programmable I/O terminals | Support input/output, interrupt generation, and modem signal emulation (DSR/DTR/CD/RI) via IOControl register. |
Key Features
| Feature | Design Value |
|---|---|
| Auto hardware flow control | RTS/CTS signals managed autonomously by UART logic - prevents RX FIFO overflow without CPU intervention. |
| Automatic RS-485 support | RTS pin controls driver direction and detects target address - enables half-duplex bus arbitration in multi-drop networks. |
| Software reset capability | UART core reset initiated via register write - allows runtime recovery without toggling external RESET line. |
| Backward-compatible register map | Fully matches 16C450 layout and bit definitions - enables reuse of existing UART drivers and BSP code. |
| Programmable character format | 5–8 data bits, even/odd/no parity, 1/1.5/2 stop bits - supports legacy protocols including Modbus RTU and proprietary fieldbus variants. |
Applications
| Industrial PLC Communication Module | Portable Diagnostic Tool |
|---|---|
|
Use Scenario: Serial interface between ARM-based PLC controller and legacy RS-485 field devices (sensors, actuators, HMIs). IC Role / Device Role / Timing Role: Protocol bridge converting SPI commands from host MCU into RS-485 UART frames with automatic direction control. Use Value: Eliminates need for discrete level shifters and direction logic; 64-byte FIFO sustains 115.2 kbit/s Modbus traffic under heavy CPU load. |
Use Scenario: Handheld test instrument connecting via IrDA to older medical equipment for firmware updates and log retrieval. IC Role / Device Role / Timing Role: Integrated IrDA SIR encoder/decoder handling physical layer signaling at 1.152 Mbit/s. Use Value: Reduces BOM count by integrating IrDA PHY and UART in one TSSOP24 package; supports battery life >8 hours via <30 μA sleep current. |
| Smart Energy Meter Gateway | Factory Automation Edge Node |
|
Use Scenario: Secure metering gateway aggregating data from multiple RS-232 utility meters over isolated UART links. IC Role / Device Role / Timing Role: Dual-interface UART providing I²C connection to secure MCU and RS-232 outputs to meters. Use Value: I²C interface minimizes host pin count; auto CTS prevents data loss during burst reads from 12+ meters simultaneously. |
Use Scenario: Compact DIN-rail mounted controller interfacing with CNC machines using RS-232 and monitoring status via GPIO inputs. IC Role / Device Role / Timing Role: UART + 8-bit GPIO hub managing serial comms and discrete I/O (limit switches, emergency stops). Use Value: GPIOs replace external shift registers; IRQ pin alerts host on any GPIO state change - enabling real-time response to safety events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UART bridging applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SC16IS750IPW | Max SPI speed 4 Mbit/s; IrDA SIR limited to 115.2 kbit/s; identical pinout and register set. | Lower-cost option where IrDA speed or SPI bandwidth is not critical - e.g., basic sensor concentrators. | Select SC16IS750IPW only if 15 Mbit/s SPI or 1.152 Mbit/s IrDA are unnecessary; otherwise SC16IS760IPW,128 provides direct upgrade path. |
| MAX3107EAE+T | Single UART with SPI-only interface (no I²C); 128-byte FIFOs; no integrated IrDA; operates at 1.8–3.3 V. | Better suited for high-FIFO-depth, low-voltage designs without infrared requirements - e.g., IoT concentrators with deep buffering needs. | Choose MAX3107EAE+T when larger FIFO or wider voltage range is prioritized over IrDA or dual-interface flexibility. |
Compared with SC16IS750IPW and MAX3107EAE+T, the SC16IS760IPW,128 uniquely combines 15 Mbit/s SPI, 1.152 Mbit/s IrDA, and dual I²C/SPI selection in a drop-in TSSOP24 footprint - making it optimal for next-gen portable industrial tools requiring both speed and legacy protocol support.
Availability
SC16IS760IPW,128 is available at Aetrix Electronics and suitable for industrial PLC communication modules, portable diagnostic tools, smart energy meter gateways, and factory automation edge nodes requiring stable component supply and long-term lifecycle assurance.
Supply support for SC16IS760IPW,128 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications - with broad expertise in interface, RF, and microcontroller technologies.
The SC16IS760IPW,128 belongs to NXP's SC16IS7xx UART bridge family, designed specifically to simplify migration from legacy parallel or discrete serial interfaces to modern I²C/SPI-based host architectures in resource-constrained embedded systems.
FAQ
What interface modes does the SC16IS760IPW,128 support?
The SC16IS760IPW,128 supports both I²C-bus and SPI host interfaces, selected at power-on via the I2C/SPI pin. In I²C mode, it operates up to 400 kbit/s with target-only functionality; in SPI mode, it supports up to 15 Mbit/s in Mode 0. Both interfaces share the same register map and UART functionality, allowing seamless firmware adaptation.
Does the SC16IS760IPW,128 require an external crystal?
The SC16IS760IPW,128 requires either an external crystal (1–25 MHz) connected between XTAL1 and XTAL2, or an external clock source applied to XTAL1. The crystal configuration forms the timing reference for baud rate generation and IrDA operation; no internal oscillator is present, so stable clocking is mandatory before UART use.
How does automatic RS-485 direction control work on the SC16IS760IPW,128?
The SC16IS760IPW,128 uses the RTS pin to control RS-485 transceiver direction: when auto RTS is enabled, RTS asserts (LOW) during transmission and deasserts (HIGH) when the RX FIFO reaches a programmable halt level. This eliminates external direction logic and ensures precise timing alignment with data framing - critical for reliable half-duplex bus operation.
Can the SC16IS760IPW,128 operate at 2.5 V?
Yes, the SC16IS760IPW,128 is fully specified for 2.5 V ±10 % and 3.3 V ±10 % operation. I/O pins are 5 V tolerant only in SPI mode (with external pull-ups to VDD); in I²C mode, SDA/SCL must be pulled to VDD. Sleep current remains below 30 μA at both voltages, supporting ultra-low-power portable designs.
Is the SC16IS760IPW,128 pin-compatible with other devices in the SC16IS7xx family?
The SC16IS760IPW,128 shares identical pinout and register mapping with SC16IS750IPW in TSSOP24 packaging, enabling direct replacement where higher SPI speed or IrDA performance is needed. It is not pin-compatible with SC16IS740IPW (TSSOP16, no GPIOs) or HVQFN24 variants due to differing pin counts and layouts.
SC16IS760IPW,128 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 24-TSSOP (0.173", 4.40mm Width)
- Programmable:
- Not Verified
- Protocol:
- RS232, RS485
- Function:
- Controller
- Interface:
- I2C, SPI, UART
- Standards:
- -
- Voltage - Supply:
- 2.5V, 3.3V
- Current - Supply:
- 6mA
- Operating Temperature:
- -40°C ~ 95°C
- Supplier Device Package:
- 24-TSSOP
- Grade:
- -
- Qualification:
- -
SC16IS760IPW,128 FAQ
1.How can I place an order for SC16IS760IPW,128 through Aetrix?
Please submit a Request for Quotation (RFQ) for SC16IS760IPW,128 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SC16IS760IPW,128 reliable?
The price and inventory of SC16IS760IPW,128 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SC16IS760IPW,128 is usually 5 days.
3.What payment methods are accepted for SC16IS760IPW,128?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SC16IS760IPW,128 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SC16IS760IPW,128?
SC16IS760IPW,128 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SC16IS760IPW,128 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SC16IS760IPW,128?
For technical support, including SC16IS760IPW,128 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SC16IS760IPW,128 requirements.
6.How does Aetrix verify that SC16IS760IPW,128 is sourced from the original manufacturer or authorized distributors?
All SC16IS760IPW,128 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SC16IS760IPW,128 meets industry standards.
7.What is the process for return or replacement of SC16IS760IPW,128?
All SC16IS760IPW,128 units undergo pre-shipment inspection (PSI). If there is an issue with SC16IS760IPW,128, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SC16IS760IPW,128 part is unused and in its original packaging.
Return procedure for SC16IS760IPW,128:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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