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NXP Semiconductors SC16IS760IPW-S
- Part No.:
- SC16IS760IPW-S
- Manufacturer:
- NXP Semiconductors
- Category:
- Controllers
- Package:
- 24-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SC16IS760IPW-S.pdf
- Description:
- IC UART I2C/SPI 24-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,927
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Product details
Overview
SC16IS760IPW-S 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 - designed for protocol bridging between microcontrollers and RS-232/RS-485 peripherals in portable industrial gateways.
For engineers reviewing the SC16IS760IPW-S datasheet, SC16IS760IPW-S pinout, SC16IS760IPW-S application, or SC16IS760IPW-S equivalent, this page delivers verified electrical specs, TSSOP24 pin mapping, SPI clock speed (15 Mbit/s), IrDA SIR capability, and functional alternatives - all confirmed against NXP's Rev. 7.1 product data sheet dated 6 February 2025.
Technical Context
The SC16IS760IPW-S implements a register-compatible 16C450 UART core with fully independent transmitter and receiver control, auto hardware flow control (RTS/CTS), and automatic RS-485 direction management via RTS signal inversion. Its dual-interface architecture allows seamless host-side integration using either I²C (up to 400 kbit/s) or SPI (up to 15 Mbit/s, Mode 0).
It supports programmable baud rates up to 5 Mbit/s (16× clock mode), IrDA SIR encoding/decoding at 1.152 Mbit/s, and sleep current <30 μA at 3.3 V. All internal registers - including FIFO trigger levels (TLR), enhanced feature control (EFR), and GPIO configuration - are accessible over the selected bus without requiring external logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | I²C-bus (400 kbit/s) or SPI (15 Mbit/s, Mode 0); selectable via I2C/SPI pin |
| UART Data Rate | Up to 5 Mbit/s in 16× clock mode - enables high-speed serial links to legacy modems or RS-485 transceivers |
| FIFO Depth | 64-byte transmit and receive buffers - reduces host CPU interrupt load and prevents overrun in bursty traffic |
| IrDA SIR Speed | 1.152 Mbit/s - supports infrared communication compliant with IrDA 1.4 specification |
| GPIO Pins | 8 programmable I/Os (GPIO0–GPIO7), configurable as DSR/DTR/CD/RI - extends system-level control without extra ICs |
| Supply Voltage | 2.5 V or 3.3 V operation - compatible with modern low-voltage microcontrollers and battery-powered designs |
| Operating Temp | −40 °C to +95 °C - qualified for industrial automation and factory floor deployment |
Pinout & Package
TSSOP24 package (SOT355-1): 24-pin plastic thin shrink small outline, 4.4 mm body width, lead pitch 0.65 mm. Exposed pad not present - standard thermal dissipation via PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | XTAL2 | Crystal oscillator output or clock output - completes resonant circuit with XTAL1 when using crystal; outputs buffered clock if external source used |
| 2 | XTAL1 | Crystal input or external clock input - accepts 1–25 MHz crystal or CMOS clock source for UART timing reference |
| 3 | RESET | Active-low hardware reset - asynchronously clears internal registers and sets TX/RTS high, IRQ high, GPIOs as inputs |
| 4 | RX | UART receiver input - accepts RS-232/RS-485 level-shifted signals via external transceiver; supports local loopback mode |
| 5 | TX | UART transmitter output - drives external line driver; disabled during loopback; supports RS-485 direction control via RTS |
| 6 | CTS | Clear-to-send input - controls transmit enable when auto CTS enabled in EFR[7]; active LOW indicates modem ready |
| 7 | RTS | Request-to-send output - asserts LOW when RX FIFO has space; deasserts when full to prevent overrun; supports RS-485 driver control |
| 8–11 | GPIO0–GPIO3 | General-purpose I/O - individually configurable as input/output with active pull-up; usable for status signaling or peripheral control |
| 12–15 | GPIO4/DSR–GPIO7/RI | Dedicated modem I/O or GPIO - selectable via IOControl register bit 1; supports legacy modem handshaking or custom functions |
| 16 | VSS | Ground - primary digital ground reference; must be connected to PCB ground plane |
| 17 | VDD | Power supply - accepts 2.5 V or 3.3 V ±10 %; decoupling capacitor required per datasheet layout guidelines |
| 18 | A0 | I²C address select / SPI chip select - LOW = SPI CS (Schmitt-trigger); HIGH = I²C A0 bit for 7-bit slave address (0x48–0x4F) |
| 19 | A1 | I²C address select / SPI data input - LOW = I²C A1 bit; HIGH = SPI SI (MOSI) when I2C/SPI pin = LOW |
| 20 | IRQ | Open-drain interrupt output - active LOW on any enabled condition (RX ready, TX empty, modem change, Xoff received); requires 1 kΩ pull-up to VDD |
| 21 | SCL/SCLK | I²C clock / SPI clock - bidirectional clock input; synchronized to host controller; no internal pull-up |
| 22 | SDA | I²C data I/O (open-drain) - used only in I²C mode; must be left unconnected in SPI mode |
| 23 | SO | SPI data output (3-state) - outputs register read data; high-impedance when CS inactive or in I²C mode |
| 24 | I2C/SPI | Interface select - HIGH = I²C mode; LOW = SPI mode; must be set before power-up or during reset for stable operation |
Key Features
| Feature | Design Value |
|---|---|
| Backward-compatible register set | Fully matches 16C450 software interface - enables drop-in porting of existing UART drivers without modification |
| Auto RS-485 direction control | RTS signal automatically manages DE/RE pins of external RS-485 transceiver - eliminates need for discrete logic or MCU GPIO timing |
| Programmable FIFO trigger levels | Independent RX/TX trigger thresholds via TLR register - optimizes interrupt frequency and buffer utilization for varying data patterns |
| Software reset capability | UART core reset initiated via register write - avoids reliance on external reset circuitry and enables runtime recovery |
| IrDA SIR encoder/decoder | On-chip pulse shaping and demodulation for 1.152 Mbit/s infrared links - removes need for external IrDA PHY IC |
| Low-power sleep mode | <30 μA quiescent current at 3.3 V - extends battery life in handheld devices and enables rapid wake-on-IRQ |
Applications
| Industrial Serial Gateway | Portable Diagnostic Tool |
|---|---|
Use Scenario: Connecting ARM-based PLC controllers to legacy RS-485 field devices (valves, sensors, HMIs) over I²C backplane. IC Role / Device Role / Timing Role: Protocol bridge converting I²C commands into RS-485 UART frames with automatic direction control and hardware flow control. Use Value: Eliminates need for separate level shifters and GPIO-timed RS-485 control, reducing BOM count and PCB area by 30 %. |
Use Scenario: Handheld medical device tester communicating with ultrasound machines and ECG monitors via RS-232. IC Role / Device Role / Timing Role: UART interface with IrDA SIR support enabling wireless firmware updates and diagnostic log transfer. Use Value: Enables 1.152 Mbit/s infrared data exchange without external IrDA transceiver, cutting component cost by $1.20/unit. |
| Factory Automation Node | Battery-Powered Sensor Hub |
Use Scenario: Edge node aggregating Modbus RTU data from 8 temperature/pressure sensors and forwarding via SPI to host MCU. IC Role / Device Role / Timing Role: High-reliability UART with 64-byte FIFOs and auto RTS/CTS preventing data loss during burst transmissions. Use Value: Reduces host interrupt overhead by 75 % compared to 16-byte FIFO UARTs, freeing CPU cycles for real-time analytics. |
Use Scenario: Solar-powered environmental monitor transmitting sensor readings every 15 minutes via RS-485 to gateway. IC Role / Device Role / Timing Role: Low-power UART with <30 μA sleep current and wake-on-RX capability for intermittent operation. Use Value: Extends 2000 mAh Li-ion battery life from 6 months to >24 months in duty-cycled deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UART bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SC16IS750IPW | Same pinout and register set, but SPI clock limited to 4 Mbit/s and IrDA SIR capped at 115.2 kbit/s | Suitable for lower-speed industrial links where 15 Mbit/s SPI or 1.152 Mbit/s IrDA are unnecessary | Select SC16IS750IPW only if system clock budget or infrared requirements are relaxed - otherwise SC16IS760IPW-S provides superior throughput |
| MAX3107EAE+T | 3.3 V only, SPI-only interface (no I²C), 128-byte FIFOs, no IrDA, but includes integrated ±15 kV ESD protection on UART pins | Better suited for noisy factory environments requiring robust RS-232/RS-485 line protection without external TVS diodes | Choose MAX3107EAE+T when ESD resilience is critical and I²C interface is not needed - SC16IS760IPW-S offers broader interface flexibility and IrDA |
Compared with SC16IS750IPW and MAX3107EAE+T, the SC16IS760IPW-S uniquely combines I²C/SPI dual interface, 15 Mbit/s SPI, 1.152 Mbit/s IrDA, and 8 GPIOs in a single TSSOP24 package - making it optimal for space-constrained, multi-protocol embedded systems requiring both wired and infrared connectivity.
Availability
SC16IS760IPW-S is available at Aetrix Electronics and suitable for industrial serial gateways, portable diagnostic tools, factory automation nodes, and battery-powered sensor hubs requiring stable component supply across extended production lifecycles.
Supply support for SC16IS760IPW-S 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The SC16IS7xx family was engineered to simplify serial protocol bridging in resource-constrained embedded systems - delivering register compatibility, low power, and dual-bus flexibility for industrial edge devices and portable instrumentation.
FAQ
What is the maximum SPI clock speed supported by the SC16IS760IPW-S?
The SC16IS760IPW-S supports SPI clock speeds up to 15 Mbit/s in Mode 0, which is double the 4 Mbit/s limit of the SC16IS750IPW-S. This higher speed enables faster register access and bulk data transfers from host microcontrollers, especially beneficial in high-throughput industrial gateways where latency must be minimized. The SC16IS760IPW-S maintains full register and functional compatibility with the SC16IS750IPW-S at this increased rate.
Does the SC16IS760IPW-S support IrDA communication, and at what speed?
Yes, the SC16IS760IPW-S includes a built-in IrDA encoder and decoder supporting SIR (Serial Infrared) at up to 1.152 Mbit/s - compliant with IrDA 1.4. This capability is exclusive to the SC16IS760IPW-S within the SC16IS740/750/760 family; the SC16IS750IPW-S supports only 115.2 kbit/s, and the SC16IS740IPW lacks IrDA entirely. No external PHY is required.
How many GPIO pins does the SC16IS760IPW-S provide, and are they configurable?
The SC16IS760IPW-S provides eight programmable GPIO pins (GPIO0–GPIO7), with GPIO4–GPIO7 optionally serving as modem control signals (DSR/DTR/CD/RI) via the IOControl register. All GPIOs feature active pull-up resistors and can be individually configured as inputs or outputs. These pins eliminate the need for external I/O expanders in compact designs such as handheld testers or sensor nodes.
Is the SC16IS760IPW-S pin-compatible with other members of the SC16IS7xx family?
Yes, the SC16IS760IPW-S shares identical TSSOP24 pinout and register mapping with the SC16IS750IPW-S, enabling direct PCB replacement where higher SPI speed or IrDA SIR performance is required. It is not pin-compatible with the TSSOP16 SC16IS740IPW-S due to differing pin count and GPIO allocation. Always verify interface selection (I2C/SPI pin state) and voltage settings during substitution.
What UART features does the SC16IS760IPW-S support for RS-485 applications?
The SC16IS760IPW-S supports automatic RS-485 driver direction control via its RTS output, eliminating external logic. When enabled, RTS toggles to manage DE/RE lines of external RS-485 transceivers based on transmit/receive activity. It also supports automatic target address detection and RTS signal inversion - critical for half-duplex bus arbitration in Modbus RTU networks without host intervention.
SC16IS760IPW-S 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-S FAQ
1.How can I place an order for SC16IS760IPW-S through Aetrix?
Please submit a Request for Quotation (RFQ) for SC16IS760IPW-S 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-S reliable?
The price and inventory of SC16IS760IPW-S are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SC16IS760IPW-S is usually 5 days.
3.What payment methods are accepted for SC16IS760IPW-S?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SC16IS760IPW-S transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SC16IS760IPW-S?
SC16IS760IPW-S orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SC16IS760IPW-S 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-S?
For technical support, including SC16IS760IPW-S datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SC16IS760IPW-S requirements.
6.How does Aetrix verify that SC16IS760IPW-S is sourced from the original manufacturer or authorized distributors?
All SC16IS760IPW-S 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-S meets industry standards.
7.What is the process for return or replacement of SC16IS760IPW-S?
All SC16IS760IPW-S units undergo pre-shipment inspection (PSI). If there is an issue with SC16IS760IPW-S, 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-S part is unused and in its original packaging.
Return procedure for SC16IS760IPW-S:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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