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Renesas X9317UV8IZT1
- Part No.:
- X9317UV8IZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
X9317UV8IZT1.pdf
- Description:
- IC DGTL POT 50KOHM 100TAP 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,896
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Product details
Overview
X9317UV8IZT1 from Renesas Electronics is a digitally controlled potentiometer (XDCP™) implementing a 99-element resistor array with 100 discrete wiper tap positions, nonvolatile wiper position storage, and 3-wire up/down serial interface. It operates as a three-terminal voltage divider or two-terminal variable resistor for precision analog trimming in DC bias, gain/offset, and laser diode control circuits.
For engineers reviewing the X9317UV8IZT1 datasheet, X9317UV8IZT1 pinout, X9317UV8IZT1 application, or X9317UV8IZT1 equivalent, key selection criteria include its 50 kΩ end-to-end resistance, -40°C to +85°C industrial temperature range, TSSOP-8 package, 2.7–5.5 V supply compatibility, and nonvolatile recall on power-up.
Technical Context
The X9317UV8IZT1 integrates a 7-bit up/down counter, decoder, and solid-state wiper switching network that connects RW to one of 100 tap points across a temperature-compensated 99-resistor array. Its control logic responds to CS-select, U/D-direction, and edge-triggered INC signals - enabling deterministic wiper positioning without clock or data framing overhead.
Wiper position is stored in nonvolatile memory upon CS↑ while INC = HIGH, ensuring repeatable startup behavior. The device exhibits ±0.2 MI relative linearity, ±300 ppm/°C total resistance TC, and ratiometric TC of ±20 ppm/°C - critical for stable voltage division under thermal variation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end Resistance | 50 kΩ ±20% - defines full-scale analog adjustment range and load interaction in voltage divider or current-setting configurations. |
| Wiper Tap Resolution | 100 positions (0–99) - enables 1% incremental adjustment granularity across the resistive array. |
| Supply Voltage Range | 2.7 V to 5.5 V - supports single-supply operation across legacy 3.3 V and standard 5 V systems without level-shifting. |
| Standby Current | <5 µA - minimizes quiescent power in battery-backed or energy-sensitive applications. |
| Nonvolatile Endurance | 100,000 write cycles per bit - ensures long-term reliability for field-trimmed calibration or user-adjustable settings. |
| Temperature Range | -40°C to +85°C - qualified for industrial environments including motor drives, instrumentation, and telecom infrastructure. |
| Wiper Resistance | 200 Ω typical at 5 V - contributes predictable series impedance in precision feedback or reference paths. |
| Relative Linearity | ±0.2 MI - guarantees consistent step-size accuracy for closed-loop trim algorithms requiring monotonic response. |
Pinout & Package
Package: 8-lead TSSOP (RoHS-compliant, JEDEC MO-153 AC, M8.173 drawing), 4.4 mm × 3.0 mm body, 0.65 mm pitch, 1.20 mm max height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INC) | Increment clock input | Negative-edge-triggered control signal; toggling moves wiper up/down per U/D state when CS is low. |
| 2 (U/D) | Direction control input | Logic level determines wiper movement direction during INC transitions; stable during CS-active window. |
| 3 (RH) | High terminal | Fixed end of resistor array; functions as VH in voltage divider or high-side connection in variable resistor mode. |
| 4 (VSS) | Ground reference | Primary return path for internal logic and analog array; must be low-impedance for noise-sensitive trimming. |
| 5 (RW) | Wiper output | Movable terminal; connects to one of 100 taps; series resistance ≤400 Ω at 2.7 V enables low-error signal routing. |
| 6 (RL) | Low terminal | Fixed end of resistor array; functions as VL in voltage divider or low-side connection in variable resistor mode. |
| 7 (CS) | Chip select | Active-low enable; initiates wiper update when low, triggers nonvolatile store on rising edge with INC = HIGH. |
| 8 (VCC) | Power supply | 2.7–5.5 V CMOS-compatible rail; powers logic, memory, and array; decoupling required within 1 cm for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Retains last programmed position across power cycles - eliminates boot-time recalibration in embedded systems. |
| 3-wire serial interface | Requires only CS, U/D, and INC signals - no clock or data lines needed, reducing MCU GPIO count and PCB routing complexity. |
| Temperature-compensated array | ±300 ppm/°C absolute TC and ±20 ppm/°C ratiometric TC - maintains voltage division accuracy over industrial temperature range. |
| Make-before-break switching | Prevents open-circuit transients during wiper movement - avoids glitches in active feedback loops or bias networks. |
| Low-power CMOS design | Standby current <5 µA and active current ≤80 µA - suitable for always-on sensor interfaces and portable equipment. |
| High-reliability nonvolatile memory | 100-year data retention and 100,000 write cycles - supports lifetime field calibration in industrial and medical devices. |
Applications
| LCD Bias Control | Laser Diode Bias Control |
|---|---|
Use Scenario: Adjusting contrast and brightness voltage levels in monochrome or segment LCD displays. IC Role / Device Role / Timing Role: Three-terminal potentiometer providing programmable DC bias voltage to LCD segment drivers. Use Value: Enables factory calibration and dynamic contrast tuning via MCU without mechanical potentiometers or DACs. |
Use Scenario: Setting precise forward current for laser diodes in optical transceivers or sensing modules. IC Role / Device Role / Timing Role: Two-terminal variable resistor in the laser diode cathode path to regulate bias current. Use Value: Maintains stable optical output power across temperature drift using nonvolatile recall and low TC. |
| Voltage Regulator Output Control | Gain and Offset Trim |
Use Scenario: Fine-tuning output voltage of adjustable LDOs or switching regulators in power management ICs. IC Role / Device Role / Timing Role: Resistor in feedback divider network (e.g., LM317-style configuration) to set regulated output. Use Value: Allows post-manufacturing calibration and field updates without soldering, improving yield and serviceability. |
Use Scenario: Calibrating amplifier gain and input offset in precision instrumentation amplifiers or sensor signal chains. IC Role / Device Role / Timing Role: Adjustable resistor in op-amp feedback or input bias network to null offset or scale gain. Use Value: Achieves <±0.2 MI linearity and retains calibration through power cycles - critical for unattended data loggers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5243BRMZ50 | I²C interface, dual-channel, 256-tap resolution, 50 kΩ, ±30% RTOTAL tolerance. | Requires I²C master and supports dual independent pots; lacks nonvolatile recall on power-up. | Choose when multi-channel trimming or standardized bus integration outweighs need for automatic startup calibration. |
| MCP45HV51-503 | Up/down interface, 256-tap, 50 kΩ, 10 V tolerant, ±20% RTOTAL, volatile wiper register only. | Supports higher voltage rails (up to 10 V) but requires external EEPROM or MCU storage for persistent settings. | Choose for high-voltage analog front-ends where nonvolatility is managed externally and extended voltage range is essential. |
Compared with AD5243BRMZ50 and MCP45HV51-503, the X9317UV8IZT1 uniquely combines 3-wire simplicity, guaranteed nonvolatile recall, industrial temperature rating, and tight ±20% resistance tolerance - making it optimal for self-calibrating, single-pot industrial controls where startup repeatability is mandatory.
Availability
X9317UV8IZT1 is available at Aetrix Electronics and suitable for LCD bias control, laser diode bias adjustment, and voltage regulator output trimming requiring stable component supply across industrial temperature ranges and long product lifecycles.
Supply support for X9317UV8IZT1 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
Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, and IoT applications with emphasis on reliability and long-term support.
The X9317UV8IZT1 belongs to Renesas' XDCP™ (eXternally Digitally Controlled Potentiometer) family, designed specifically for replacing mechanical trimpots in precision analog trimming applications requiring nonvolatile setting retention and robust industrial qualification.
FAQ
What is the supply voltage range supported by the X9317UV8IZT1?
The X9317UV8IZT1 operates from 2.7 V to 5.5 V, covering both 3.3 V and 5 V system rails. This range is explicitly specified in the Absolute Maximum Ratings and Potentiometer Specifications sections of the FN8183 datasheet, and applies across the full -40°C to +85°C industrial temperature range. Operation outside this window may impair nonvolatile memory function or cause undefined wiper behavior.
Does the X9317UV8IZT1 retain its wiper position after power cycling?
Yes, the X9317UV8IZT1 stores the wiper position in nonvolatile memory and automatically recalls it on power-up. This behavior is confirmed in the datasheet's Overview, Principles of Operation, and Power-up and Down Requirements sections. The recall occurs within 5 µs after VCC stabilizes, ensuring deterministic startup without host MCU intervention.
What package type and footprint does the X9317UV8IZT1 use?
The X9317UV8IZT1 uses an 8-lead TSSOP package per JEDEC MO-153 AC (drawing M8.173), with 0.65 mm lead pitch, 4.4 mm × 3.0 mm body size, and 1.20 mm maximum height. Pin 1 identification is marked on the top surface, and the land pattern recommendation is provided in the Package Outline Drawings section of the datasheet.
How many wiper tap positions does the X9317UV8IZT1 provide?
The X9317UV8IZT1 provides exactly 100 wiper tap positions (0 through 99), corresponding to a 99-element resistor array. This is stated in the title block ("100 Taps"), Block Diagram caption, and Pin Descriptions section. Each tap represents one minimum increment (MI) = (VRH – VRL)/99, enabling 1% resolution in voltage division applications.
What is the end-to-end resistance value and tolerance for the X9317UV8IZT1?
The X9317UV8IZT1 has a nominal end-to-end resistance (RTOTAL) of 50 kΩ with a tolerance of ±20%, as specified in the Ordering Information table (page 2) and Potentiometer Specifications table (page 4) of the FN8183 datasheet. This value is fixed per part number variant and is not user-programmable.
X9317UV8IZT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Taper:
- Linear
- Configuration:
- Potentiometer
- Number of Circuits:
- 1
- Number of Taps:
- 100
- Resistance (Ohms):
- 50k
- Interface:
- Up/Down (U/D, INC, CS)
- Memory Type:
- Non-Volatile
- Voltage - Supply:
- 5V
- Features:
- -
- Tolerance:
- ±20%
- Temperature Coefficient (Typ):
- ±300ppm/°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-TSSOP
- Operating Temperature:
- -40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ):
- 200
X9317UV8IZT1 FAQ
1.How can I place an order for X9317UV8IZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9317UV8IZT1 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 X9317UV8IZT1 reliable?
The price and inventory of X9317UV8IZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9317UV8IZT1 is usually 5 days.
3.What payment methods are accepted for X9317UV8IZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9317UV8IZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9317UV8IZT1?
X9317UV8IZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9317UV8IZT1 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 X9317UV8IZT1?
For technical support, including X9317UV8IZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9317UV8IZT1 requirements.
6.How does Aetrix verify that X9317UV8IZT1 is sourced from the original manufacturer or authorized distributors?
All X9317UV8IZT1 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 X9317UV8IZT1 meets industry standards.
7.What is the process for return or replacement of X9317UV8IZT1?
All X9317UV8IZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9317UV8IZT1, 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 X9317UV8IZT1 part is unused and in its original packaging.
Return procedure for X9317UV8IZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
X9317UV8IZT1 Tags
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MCP4018T-103E/LT
Microchip Technology
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MCP4018T-503E/LT
Microchip Technology
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MCP4011T-103E/SN
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MCP4018T-104E/LT
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MCP4017T-503E/LT
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MCP4018T-502E/LT
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MCP4017T-103E/LT
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MCP4531T-103E/MF
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MCP4021T-202E/SN
Microchip Technology
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MCP4023T-103E/CH
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MCP4022T-503E/CH
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MCP4551T-502E/MS
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