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Renesas X9317WM8ZT1
- Part No.:
- X9317WM8ZT1
- Manufacturer:
- Renesas
- Category:
- Digital Potentiometers
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
X9317WM8ZT1.pdf
- Description:
- IC DGTL POT 10KOHM 100TAP 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,626
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Product details
Overview
X9317WM8ZT1 from Renesas Electronics is a digitally controlled potentiometer (XDCP™) with 100 wiper tap points, nonvolatile wiper position storage, and 3-wire up/down serial interface. It implements a 99-element resistor array with temperature-compensated end-to-end resistance of 10kΩ ±20%, operates from 4.5V to 5.5V, and delivers low-power standby current <5µA. It serves as a solid-state replacement for mechanical potentiometers in precision analog trim applications such as LCD bias control and laser diode bias adjustment.
For engineers reviewing the X9317WM8ZT1 datasheet, X9317WM8ZT1 pinout, X9317WM8ZT1 application, or X9317WM8ZT1 equivalent, key selection criteria include its MSOP-8 package, nonvolatile memory retention (100 years), wiper resistance ≤400Ω at 5V, ratiometric temperature coefficient ±20ppm/°C, and guaranteed operation across 0°C to +70°C.
Technical Context
The X9317WM8ZT1 integrates a 7-bit up/down counter, decoder, and nonvolatile memory to control wiper position across 100 discrete taps on a 99-resistor ladder. Its "make-before-break" switching ensures glitch-free transitions during wiper movement, while the CS/INC/U/D interface enables deterministic, edge-triggered control without clock signal requirements.
It functions as either a three-terminal voltage divider (RH–RW–RL) or two-terminal variable resistor (RW–RL or RW–RH), with wiper terminal (RW) exhibiting typical series resistance of 200Ω and maximum 400Ω at VCC = 5V. The device recalls its last stored wiper position on power-up, eliminating need for host-initiated initialization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| End-to-end resistance (RTOTAL) | 10kΩ ±20% - defines full-scale analog range and sets minimum load impedance compatibility |
| Wiper resistance (RW) | ≤400Ω at 5V - limits voltage error in high-precision divider configurations |
| Supply voltage (VCC) | 4.5V to 5.5V - compatible with standard 5V logic and analog rails; no 2.7V variant for this marking |
| Standby current (ISB) | <5µA - enables battery-backed or ultra-low-power systems to retain trim state indefinitely |
| Nonvolatile endurance | 100,000 data changes per bit - supports field calibration cycles over product lifetime |
| Ratiometric tempco | ±20ppm/°C - ensures stable voltage division ratio across temperature without external compensation |
| Resolution | 1% (1/99 step) - provides fine-grained analog adjustment granularity for trimming offset/gain |
| Operating temperature | 0°C to +70°C - qualified for commercial-grade embedded instrumentation and consumer electronics |
Pinout & Package
Package: 8-lead MSOP (M8.118), RoHS-compliant, moisture sensitivity level (MSL) 1, body dimensions 3.0mm × 3.0mm × 0.85mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INC) | Increment clock input | Negative-edge-triggered control line; toggling moves wiper up/down based on U/D state |
| 2 (U/D) | Direction control input | Logic level determines wiper increment (HIGH) or decrement (LOW) on each INC edge |
| 3 (RH) | High terminal | Fixed end of resistor array; connects to highest potential node in voltage divider mode |
| 4 (VSS) | Ground reference | Return path for supply and signal; must be low-impedance to minimize noise coupling |
| 5 (RW) | Wiper output | Movable terminal; delivers interpolated voltage/current; series resistance ≤400Ω affects accuracy |
| 6 (RL) | Low terminal | Fixed end of resistor array; connects to lowest potential node (e.g., ground or negative rail) |
| 7 (CS) | Chip select | Active-low enable; HIGH stores current wiper position to nonvolatile memory when INC = HIGH |
| 8 (VCC) | Positive supply | Power rail for internal logic and resistor array; must be stabilized before asserting CS/INC |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile wiper storage | Retains last programmed position across power cycles; eliminates boot-time recalibration |
| 3-wire serial interface | Requires only CS, U/D, and INC signals-no clock or data lines-simplifies MCU GPIO usage |
| Temperature-compensated array | ±20ppm/°C ratiometric tempco ensures stable voltage division ratio over 0°C–70°C range |
| Make-before-break switching | Prevents open-circuit transients during wiper movement; critical for stable bias in sensitive analog circuits |
| Low-power CMOS design | Standby current <5µA enables integration into always-on subsystems without significant battery drain |
| 100-year data retention | Guaranteed nonvolatile memory integrity over full product lifecycle, including long-term storage |
Applications
| LCD Bias Control | Laser Diode Bias Control |
|---|---|
|
Use Scenario: Adjusting contrast and brightness in TFT-LCD panels using analog voltage references. IC Role / Device Role / Timing Role: Three-terminal potentiometer providing programmable DC bias voltage to source driver ICs. Use Value: Enables factory calibration and dynamic user adjustment without mechanical trimpots; nonvolatile recall ensures consistent startup appearance. |
Use Scenario: Setting precise forward current for laser diodes in optical transceivers and barcode scanners. IC Role / Device Role / Timing Role: Two-terminal variable resistor in constant-current feedback loop of laser driver IC. Use Value: Delivers stable, drift-resistant current setpoint over temperature; 1% resolution supports tight optical power tolerance. |
| Voltage Regulator Output Trim | DC Offset/Gain Adjustment |
|
Use Scenario: Fine-tuning output voltage of adjustable LDOs or switching regulators in power management ICs. IC Role / Device Role / Timing Role: Voltage divider between regulator feedback node and ground to adjust reference ratio. Use Value: Compensates for PCB trace resistance and component tolerances; ±20ppm/°C tempco maintains regulation accuracy across ambient range. |
Use Scenario: Calibrating input offset and gain in instrumentation amplifiers and sensor signal chains. IC Role / Device Role / Timing Role: Two-terminal resistor in amplifier feedback network or offset nulling path. Use Value: Enables one-time factory calibration with permanent storage; eliminates manual trimpot drift and field recalibration labor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digitally controlled potentiometer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD5170BRMZ-10 | I²C interface, 256-tap resolution, 10kΩ, ±30% RTOTAL tolerance, higher wiper resistance (600Ω typ) | Requires I²C master; less precise voltage division due to wider resistance tolerance and higher RW | Choose when I²C bus availability simplifies system architecture and ±30% RTOTAL is acceptable |
| MCP41010-I/P | SPITM interface, 256-tap resolution, 10kΩ, ±20% RTOTAL, 125ppm/°C tempco, no nonvolatile store on power-up | Needs external EEPROM or host firmware to restore wiper position after power loss | Choose when SPI interface is preferred and host can manage wiper state persistence |
Compared with AD5170BRMZ-10 and MCP41010-I/P, the X9317WM8ZT1 offers superior ratiometric stability (±20ppm/°C vs. ≥125ppm/°C), guaranteed nonvolatile recall on power-up, and simpler 3-wire control-making it optimal for self-contained, calibration-critical analog trim where minimal host intervention is required.
Availability
X9317WM8ZT1 is available at Aetrix Electronics and suitable for LCD bias control, laser diode bias adjustment, and voltage regulator output trim requiring stable component supply, long-term calibration retention, and commercial-temperature-grade reliability.
Supply support for X9317WM8ZT1 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 enterprise applications.
The X9317WM8ZT1 belongs to Renesas' XDCP™ family of digitally controlled potentiometers, designed specifically for replacing mechanical trimpots in precision analog calibration, bias control, and programmable gain/offset applications.
FAQ
What is the operating voltage range for the X9317WM8ZT1?
The X9317WM8ZT1 operates from 4.5V to 5.5V, matching standard 5V logic and analog supply rails. It does not support the extended 2.7V–5.5V range found in other X9317 variants like X9317WM8Z-2.7T1. This fixed 5V range ensures consistent wiper resistance and noise performance across its specified commercial temperature range (0°C to +70°C).
Does the X9317WM8ZT1 retain its wiper position after power cycling?
Yes, the X9317WM8ZT1 stores the wiper position in nonvolatile memory and automatically recalls it on power-up. This behavior is guaranteed by design: once the wiper position is stored (by raising CS while INC is HIGH), it persists for up to 100 years and restores within 5µs of VCC stabilization, eliminating need for host-initiated reinitialization.
What package type is used for the X9317WM8ZT1?
The X9317WM8ZT1 uses an 8-lead MSOP package (JEDEC MO-187-AA compliant, drawing M8.118), measuring 3.0mm × 3.0mm × 0.85mm. It features gull-wing leads, RoHS-compliant matte tin plating, and MSL1 rating-enabling standard reflow assembly without moisture preconditioning.
How many wiper positions does the X9317WM8ZT1 support?
The X9317WM8ZT1 supports exactly 100 discrete wiper tap positions, corresponding to a 99-element resistor ladder. Each step represents 1% of full-scale resistance (1/99), enabling precise analog adjustment. The wiper cannot wrap around; it stops at tap 0 (RL) or tap 99 (RH), ensuring predictable endpoint behavior.
What is the maximum wiper current rating for the X9317WM8ZT1?
The X9317WM8ZT1 supports a maximum wiper current (IW) of ±4.4mA under normal operating conditions. Exceeding this limit risks accelerated wear of internal switches and may compromise long-term endurance. For current-sensing or high-current trim applications, external buffering or series limiting resistors are recommended to keep IW within specification.
X9317WM8ZT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- XDCP™
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm 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):
- 10k
- 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-MSOP
- Operating Temperature:
- 0°C ~ 70°C
- Resistance - Wiper (Ohms) (Typ):
- 200
X9317WM8ZT1 FAQ
1.How can I place an order for X9317WM8ZT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for X9317WM8ZT1 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 X9317WM8ZT1 reliable?
The price and inventory of X9317WM8ZT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for X9317WM8ZT1 is usually 5 days.
3.What payment methods are accepted for X9317WM8ZT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for X9317WM8ZT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for X9317WM8ZT1?
X9317WM8ZT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your X9317WM8ZT1 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 X9317WM8ZT1?
For technical support, including X9317WM8ZT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your X9317WM8ZT1 requirements.
6.How does Aetrix verify that X9317WM8ZT1 is sourced from the original manufacturer or authorized distributors?
All X9317WM8ZT1 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 X9317WM8ZT1 meets industry standards.
7.What is the process for return or replacement of X9317WM8ZT1?
All X9317WM8ZT1 units undergo pre-shipment inspection (PSI). If there is an issue with X9317WM8ZT1, 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 X9317WM8ZT1 part is unused and in its original packaging.
Return procedure for X9317WM8ZT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
X9317WM8ZT1 Tags
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MCP4018T-103E/LT
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MCP4018T-503E/LT
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MCP4011T-103E/SN
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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
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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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