component
BR24G128NUX-3ATTR
Public Made by Adomby adom
ROHM Semicon Pre-ordered Chips, VSON-8-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBR24G128NUX-3ATTR
ROHM Semicon · Pre-ordered Chips · VSON-8-EP(2x3)
BR24G128NUX-3ATTR from ROHM Semicon, in a VSON-8-EP(2x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | A0 | input | Slave address setting input for BR24G128-3A, which must not be left open. |
| 2 | A1 | input | Slave address setting input, which must not be left open. |
| 3 | A2 | input | Slave address setting input, which must not be left open. |
| 4 | GND | power_in | Reference voltage of all inputs and outputs, 0V. |
| 5 | SDA | bidirectional | Serial data input and serial data output. |
| 6 | SCL | input | Serial clock input. |
| 7 | WP | input | Write protect terminal. |
| 8 | VCC | power_in | Power source connection, 1.7V to 5.5V operating range. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | VSON-8-EP(2x3) |
| Category | Interface ICs |
| Pins | 9 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | -0.3 | 6.5 | V | Ta=25°C | 3 | |
| Power Dissipation (VSON008X2030) | Pd | 0.3 | W | Derate by 3.0mW/°C when operating above Ta=25°C | 3 | ||
| Storage Temperature | Tstg | -65 | 150 | °C | 3 | ||
| Operating Temperature | Topr | -40 | 85 | °C | 3 | ||
| Input Voltage / Output Voltage | -0.3 | 6.5 | V | -0.3 to Vcc+1.0; max not over 6.5V; min -1.0V for pulse width 50ns or less | 3 | ||
| Junction Temperature | Tjmax | 150 | °C | Junction temperature at the storage condition | 3 | ||
| Electrostatic discharge voltage (human body model) | VESD | -4000 | 4000 | V | 3 | ||
| Power Source Voltage | Vcc | 1.7 | 5.5 | V | 3 | ||
| Input Voltage | VIN | 0 | V | 0 to Vcc | 3 | ||
| Write Cycles | 1e+06 | Times | Ta=25°C, Vcc=1.7V to 5.5V; Not 100% TESTED | 3 | |||
| Data Retention | 40 | Years | Ta=25°C, Vcc=1.7V to 5.5V; Not 100% TESTED | 3 | |||
| Input High Voltage 1 | VIH1 | 0.7 | V | Min 0.7Vcc (printed as 0.7Vcc); max Vcc+1.0 | 3 | ||
| Input Low Voltage 1 | VIL1 | -0.3 | V | Max +0.3Vcc (printed as 0.3Vcc); min -1.0V when pulse width 50ns or less | 3 | ||
| Output Low Voltage 1 | VOL1 | 0.4 | V | IOL=3.0mA, 2.5V≤Vcc≤5.5V (SDA) | 3 | ||
| Output Low Voltage 2 | VOL2 | 0.2 | V | IOL=0.7mA, 1.7V≤Vcc<2.5V (SDA) | 3 | ||
| Input Leakage Current | ILI | -1 | 1 | μA | VIN=0 to Vcc | 3 | |
| Output Leakage Current | ILO | -1 | 1 | μA | VOUT=0 to Vcc (SDA) | 3 | |
| Supply Current (Write) | ICC1 | 2.5 | mA | VCC=5.5V, fSCL=1MHz, tWR=5ms, Byte write, Page write; BR24G128/256-3A | 3 | ||
| Supply Current (Read) | ICC2 | 2 | mA | VCC=5.5V, fSCL=1MHz, Random read, current read, sequential read | 3 | ||
| Standby Current | ISB | 2 | μA | VCC=5.5V, SDA, SCL=Vcc, A0, A1, A2=GND, WP=GND; BR24G128/256-3A | 3 | ||
| Clock Frequency | fSCL | 1000 | kHz | 4 | |||
| Data Clock HIGH Period | tHIGH | 0.3 | µs | 4 | |||
| Data Clock LOW Period | tLOW | 0.5 | µs | 4 | |||
| SDA, SCL (INPUT) Rise Time | tR | 0.12 | µs | Not 100% tested | 4 | ||
| SDA, SCL (INPUT) Fall Time | tF1 | 0.12 | µs | Not 100% tested | 4 | ||
| SDA (OUTPUT) Fall Time | tF2 | 0.12 | µs | Not 100% tested | 4 | ||
| Start Condition Hold Time | tHD:STA | 0.25 | µs | 4 | |||
| Start Condition Setup Time | tSU:STA | 0.2 | µs | 4 | |||
| Input Data Hold Time | tHD:DAT | 0 | ns | 4 | |||
| Input Data Setup Time | tSU:DAT | 50 | ns | 4 | |||
| Output Data Delay Time | tPD | 0.05 | 0.45 | µs | 4 | ||
| Output Data Hold Time | tDH | 0.05 | µs | 4 | |||
| Stop Condition Setup Time | tSU:STO | 0.25 | µs | 4 | |||
| Bus Free Time | tBUF | 0.5 | µs | 4 | |||
| Write Cycle Time | tWR | 5 | ms | 4 | |||
| Noise Spike Width (SDA, SCL) | tI | 0.05 | µs | 4 | |||
| WP Hold Time | tHD:WP | 1 | µs | 4 | |||
| WP Setup Time | tSU:WP | 0.1 | µs | 4 | |||
| WP High Period | tHIGH:WP | 1 | µs | 4 |
CAD (KiCad official)
- Symbol:
BR24G128NUX-3ATTR - Footprint:
Package_SON:SON-8-1EP_3x2mm_P0.5mm_EP1.4x1.6mm - 3D model: VSON-8-EP(2x3), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal QFN height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
br24g128nux-3attr-etched.step/br24g128nux-3attr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);br24g128nux-3attr.step/br24g128nux-3attr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (39 pp, sha256
6725fe7432ff934c, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).