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Renesas HD407A4389FTI
- Part No.:
- HD407A4389FTI
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
HD407A4389FTI.pdf
- Description:
- MCU, 4-BIT
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Inventory:350
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Product details
Overview
HD407A4389FTI from Renesas Technology Corp. is a ZTAT™ (Zero Turn-Around Time) PROM-based 4-bit microcontroller with 16,384-word on-chip program memory, six 10-bit A/D converter channels, and 20 I/O pins-including four large-current source (10 mA max) and four sink (15 mA max) pins. It operates from 2.0 V to 5.5 V and supports ceramic/crystal/CR oscillation for battery charger and power management control.
For engineers reviewing the HD407A4389FTI datasheet, HD407A4389FTI pinout, HD407A4389FTI application, or HD407A4389FTI equivalent, this page delivers verified package mapping (FP-30D), confirmed 30-pin SSOP pin functions, real-time A/D resolution specs, low-power mode behavior, and validated drop-in alternatives for legacy Hitachi/Renesas 4-bit MCU migration paths.
Technical Context
The HD407A4389FTI implements the HMCS400 CPU core and integrates a synchronous 8-bit serial interface, three 8-bit timers (with dual-function capability), event counter input with edge selection, and module-level standby modes. Its A/D subsystem supports six analog inputs (AN0–AN5) with 10-bit resolution and internal reference alignment to AVCC/AVSS.
It features two timer outputs (TOB, TOC) supporting PWM generation, wakeup-from-stop via WU0, and interrupt sources including INT0, EVNB, and five internal vectors. Clock division software switching (1/4 or 1/32) enables dynamic power scaling without external clock reconfiguration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HMCS400 4-bit CPU with 16-level subroutine stack and CAL/JMPL instruction support |
| ROM Capacity | 16,384 words of on-chip ZTAT™ PROM-enables rapid prototyping and eliminates mask ROM lead time |
| A/D Converter | 6 channels × 10 bits-supports simultaneous high-resolution sensing across battery voltage, temperature, current, and auxiliary analog signals |
| I/O Capability | 20 total I/O pins: D0–D3 (10 mA source), D4–D9 (15 mA sink), R-port 4-bit groups, and analog multiplexed pins AN0–AN5 |
| Operating Voltage | 2.0 V to 5.5 V-guaranteed operation across wide battery discharge range in portable systems |
| Package | 30-pin plastic SSOP (FP-30D)-0.65 mm pitch, surface-mount compatible with standard reflow profiles |
| Temperature Range | –40 °C to +85 °C-qualified for industrial-grade embedded control environments |
Pinout & Package
HD407A4389FTI is housed in a 30-pin plastic SSOP (FP-30D) package with 0.65 mm lead pitch and exposed pad-free construction. Pin functions are defined per the HD404389 Series specification and validated for ZTAT™ variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pin 1) | Ground reference | Primary digital ground connection; must be low-impedance and tied to AVSS at single point |
| VCC (Pin 2) | Power supply | Main logic supply (2.0–5.5 V); decoupling capacitor required within 10 mm |
| AVCC (Pin 3) | Analog power | Dedicated A/D converter supply-connect directly to VCC with minimal trace length |
| AN0–AN5 (Pins 4–9) | Analog inputs | Six 10-bit A/D channels; share R7 port pins; require external RC filtering for noise immunity |
| AVSS (Pin 10) | Analog ground | Separate A/D reference ground-tie to GND at single point near AVCC/VCC decoupling |
| OSC1/OSC2 (Pins 12–13) | Oscillator interface | Supports ceramic resonator (3–8.5 MHz), crystal (up to 8.5 MHz), or CR network for main clock generation |
| RESET (Pin 14) | Reset input | Active-low asynchronous reset; internal pull-up; requires external RC or supervisor for reliable power-on sequencing |
| WU0 (Pin 15) | Wake-up input | Edge-triggered stop-mode exit signal-configurable as external interrupt source |
| EVNB (Pin 16) | Event counter | Edge-programmable input for pulse counting or timing capture in low-power states |
| TOB/TOC (Pins 17–18) | Timer outputs | Two dedicated outputs supporting PWM waveform generation and timing signal routing |
| R20–R22, R70–R73 (Pins 19–20, 4–7) | General I/O | 4-bit grouped ports with flexible direction control; R7 pins double as analog inputs AN0–AN5 |
| D0–D9 (Pins 21–30) | Bit-addressable I/O | D0–D3: 10 mA source drivers; D4–D9: 15 mA sink drivers-suitable for direct LED/relay/FET gate drive |
Key Features
| Feature | Design Value |
|---|---|
| ZTAT™ PROM programming | Compatible with 27256 EPROM programmers-enables firmware iteration without mask changes or wafer re-spins |
| 6-channel 10-bit A/D converter | Provides higher channel count than HD404384 series (4-channel), enabling multi-sensor monitoring in compact BMS designs |
| Large-current I/O architecture | D0–D3 source up to 10 mA and D4–D9 sink up to 15 mA-eliminates need for external driver transistors in many load interfaces |
| Three independent 8-bit timers | Configurable as one 16-bit timer or two 8-bit timers-supports precise PWM, interval timing, and event capture simultaneously |
| Low-power operating modes | Stop, standby, and module-standby modes reduce current draw below 1 µA-extends battery life in intermittent-sensing applications |
Applications
| Battery Charger Control | Industrial Power Supply Monitoring |
|---|---|
Use Scenario: Real-time regulation of lithium-ion charging profiles using voltage, current, and temperature feedback. IC Role / Device Role / Timing Role: Primary system controller executing closed-loop charge algorithm, managing A/D sampling, PWM output to DC-DC stage, and thermal shutdown logic. Use Value: Six 10-bit A/D channels enable concurrent acquisition of cell voltage, pack current, NTC thermistor, ambient temp, and auxiliary sensors-reducing BOM count and PCB area. | Use Scenario: Embedded supervision of AC-DC and DC-DC converters in programmable power supplies. IC Role / Device Role / Timing Role: Standalone monitor handling overvoltage/overcurrent detection, fan speed control via PWM, and serial communication to host controller. Use Value: Large-current I/O pins directly drive optocouplers and MOSFET gates, while synchronous serial interface enables configuration and telemetry without additional level-shifting ICs. |
| Portable Medical Device Sensing | Smart Energy Meter Interface |
Use Scenario: Low-power acquisition and preprocessing of biopotential signals (ECG, pulse oximetry) in handheld diagnostics. IC Role / Device Role / Timing Role: Signal conditioning front-end with programmable gain, A/D conversion, and data buffering before transmission to host MCU. Use Value: –40 °C to +85 °C rating ensures reliability in field-deployed devices; stop-mode wake-up via WU0 enables ultra-low average current during idle periods. | Use Scenario: Secondary controller in residential energy meters managing tariff switching, tamper detection, and LCD backlight control. IC Role / Device Role / Timing Role: Dedicated peripheral manager handling real-time clock synchronization (via external 32.768 kHz crystal), pulse counting for kWh accumulation, and display refresh timing. Use Value: On-chip oscillator options eliminate external crystal cost; 20 I/O pins support direct connection to optical isolators, relays, and segment drivers-reducing external component count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 4-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HD407C4389FT | Same ROM size (16,384 words), identical pinout and A/D capability, but rated for –40 °C to +85 °C with slower min. instruction time (1.14 µs @ 3.5 MHz) | Lower-speed variant suited for cost-sensitive, non-timing-critical industrial controls where full 8.5 MHz operation is unnecessary | Select HD407C4389FT when thermal margin and timing slack allow reduced clock frequency to lower EMI or power consumption |
| HD404389FT | Mask ROM version (16,384 words), same FP-30D package and A/D spec, but requires custom mask-no field-programmable capability | Production-only variant for high-volume, fixed-function deployments where firmware is finalized and unchanging | Choose HD404389FT for mass production after ZTAT™ prototype validation-avoids PROM programming overhead and reduces unit cost |
Compared with HD407A4389FTI, HD407C4389FT trades maximum clock speed for broader temperature tolerance and lower cost, while HD404389FT replaces field-programmability with mask ROM permanence-making HD407A4389FTI optimal for development, qualification, and low-to-mid volume manufacturing.
Availability
HD407A4389FTI is available at Aetrix Electronics and suitable for battery charger control, industrial power supply monitoring, portable medical device sensing, and smart energy meter interface applications requiring stable component supply and long-term design continuity.
Supply support for HD407A4389FTI 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 Technology Corp. was formed in 2003 through the merger of Mitsubishi Electric's and Hitachi's semiconductor operations, specializing in microcontrollers, analog, logic, and memory solutions.
The HD407A4389FTI belongs to the HD404389 Series-a ZTAT™-enabled 4-bit microcontroller line designed for cost-sensitive, low-power embedded control in battery-operated and industrial power systems.
FAQ
What is the maximum clock frequency supported by the HD407A4389FTI?
The HD407A4389FTI supports a maximum main oscillator frequency of 8.5 MHz using ceramic or crystal resonators. At this frequency with 1/4 system clock division, the minimum instruction execution time is 0.47 µs. CR oscillation is also supported but with reduced accuracy and frequency range. The HD407A4389FTI does not support external clock inputs above 8.5 MHz.
Does the HD407A4389FTI include a built-in real-time clock (RTC) circuit?
No, the HD407A4389FTI does not integrate a real-time clock circuit. Unlike the HD404374 Series, it lacks X1/X2 pins and sub-oscillator support for 32.768 kHz crystal operation. Timekeeping functionality must be implemented externally or derived from the main oscillator using timer interrupts and software counters in the HD407A4389FTI application.
How many analog input channels does the HD407A4389FTI support, and what is their resolution?
The HD407A4389FTI supports six analog input channels (AN0–AN5) with 10-bit resolution. These channels are multiplexed onto R70–R73 and additional pins (AN4, AN5) in the FP-30D package. All six channels share the same 10-bit A/D converter core and reference to AVCC/AVSS, delivering consistent LSB size and linearity across the full input range.
Is the HD407A4389FTI pin-compatible with other members of the HD404389 Series?
Yes, the HD407A4389FTI is fully pin-compatible with all HD404389 Series variants in the FP-30D package-including HD404389FT, HD407C4389FT, and HD40A4389FT. Pin numbering, electrical characteristics, and functional mapping match exactly, allowing direct substitution in existing layouts without PCB modification.
What programming method is used for the ZTAT™ PROM in the HD407A4389FTI?
The HD407A4389FTI uses standard EPROM programming equipment compatible with the 27256 device family. Programming requires VPP = +12.5 V, address/data loading in standard UV-EPROM mode, and verification at VCC = 5 V. No special algorithms or proprietary tools are needed-the HD407A4389FTI PROM behaves electrically and logically identical to a 27256 EPROM during programming and read cycles.
HD407A4389FTI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
HD407A4389FTI FAQ
1.How can I place an order for HD407A4389FTI through Aetrix?
Please submit a Request for Quotation (RFQ) for HD407A4389FTI 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 HD407A4389FTI reliable?
The price and inventory of HD407A4389FTI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HD407A4389FTI is usually 5 days.
3.What payment methods are accepted for HD407A4389FTI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HD407A4389FTI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HD407A4389FTI?
HD407A4389FTI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HD407A4389FTI 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 HD407A4389FTI?
For technical support, including HD407A4389FTI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HD407A4389FTI requirements.
6.How does Aetrix verify that HD407A4389FTI is sourced from the original manufacturer or authorized distributors?
All HD407A4389FTI 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 HD407A4389FTI meets industry standards.
7.What is the process for return or replacement of HD407A4389FTI?
All HD407A4389FTI units undergo pre-shipment inspection (PSI). If there is an issue with HD407A4389FTI, 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 HD407A4389FTI part is unused and in its original packaging.
Return procedure for HD407A4389FTI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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