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BR24T16NUX-WTR

Public Made by Adom

by adom

ROHM Semicon Pre-ordered Chips, VSON-8-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BR24T16NUX-WTR

ROHM Semicon · Pre-ordered Chips · VSON-8-EP(2x3)

BR24T16NUX-WTR 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 unconnected Not used as a device address on the 16Kbit part ("Don't use"); may be set to H, L or Hi-Z.
2 A1 unconnected Not used as a device address on the 16Kbit part ("Don't use"); may be set to H, L or Hi-Z.
3 A2 unconnected Not used as a device address on the 16Kbit part ("Don't use"); may be set to H, L or Hi-Z.
4 GND power_in Reference voltage of all input/output, 0V.
5 SDA bidirectional Serial data input and serial data output of the I2C bus.
6 SCL input Serial clock input, up to 400kHz.
7 WP input Write protect terminal.
8 VCC power_in Power source connection, 1.6V to 5.5V operation.
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
Input High Voltage1 VIH1 0.7 V 1.7V≤Vcc≤5.5V; min 0.7Vcc, max Vcc+1.0 2
Input Low Voltage1 VIL1 -0.3 0.3 V 1.7V≤Vcc≤5.5V; max 0.3Vcc 2
Input High Voltage2 VIH2 0.8 V 1.6V≤Vcc<1.7V; min 0.8Vcc, max Vcc+1.0 2
Input Low Voltage2 VIL2 -0.3 0.2 V 1.6V≤Vcc<1.7V; max 0.2Vcc 2
Output Low Voltage1 VOL1 0.4 V IOL=3.0mA, 2.5V≤Vcc≤5.5V (SDA) 2
Output Low Voltage2 VOL2 0.2 V IOL=0.7mA, 1.6V≤Vcc<2.5V (SDA) 2
Input Leakage Current ILI -1 1 µA VIN=0 to Vcc 2
Output Leakage Current ILO -1 1 µA VOUT=0 to Vcc (SDA) 2
Supply Current (Write) ICC1 2 mA Vcc=5.5V, fSCL=400kHz, tWR=5ms, Byte write, Page write 2
Supply Current (Read) ICC2 0.5 mA Vcc=5.5V, fSCL=400kHz, Random read, current read, sequential read 2
Standby Current ISB 2 µA Vcc=5.5V, SDA,SCL=Vcc, A0,A1,A2=GND, WP=GND 2
Clock Frequency fSCL 400 kHz 3
Data Clock High Period tHIGH 0.6 µs 3
Data Clock Low Period tLOW 1.2 µs 3
SDA,SCL (INPUT) Rise Time tR 1 µs Not 100% tested 3
SDA,SCL (INPUT) Fall Time tF1 1 µs Not 100% tested 3
SDA (OUTPUT) Fall Time tF2 0.3 µs Not 100% tested 3
Start Condition Hold Time tHD:STA 0.6 µs 3
Start Condition Setup Time tSU:STA 0.6 µs 3
Input Data Hold Time tHD:DAT 0 ns 3
Input Data Setup Time tSU:DAT 100 ns 3
Output Data Delay Time tPD 0.1 0.9 µs 3
Output Data Hold Time tDH 0.1 µs 3
Stop Condition Setup Time tSU:STO 0.6 µs 3
Bus Free Time tBUF 1.2 µs 3
Write Cycle Time tWR 5 ms 3
Noise Spike Width (SDA and SCL) tI 0.1 µs 3
WP Hold Time tHD:WP 1 µs 3
WP Setup Time tSU:WP 0.1 µs 3
WP High Period tHIGH:WP 1 µs 3
Write Cycles 1e+06 Times Ta=25ºC, Vcc=1.6V to 5.5V; Not 100% tested 2
Data Retention 40 Years Ta=25ºC, Vcc=1.6V to 5.5V; Not 100% tested 2
Power Source Voltage Vcc 1.6 5.5 V 2
Input Voltage VIN 0 5.5 V 0 to Vcc 2
Supply Voltage VCC -0.3 6.5 V Ta=25ºC 2
Power Dissipation (VSON008X2030) Pd 300 mW Derate by 3.0mW/°C above Ta=25°C; mounted on 114.5 mm × 101.5 mm × 1.6 mm glass epoxy single-layer substrate 2
Storage Temperature Tstg -65 150 °C 2
Operating Temperature Topr -40 85 °C 2
Input Voltage / Output Voltage -0.3 6.5 V -0.3 to Vcc+1.0; max not over 6.5V; min not lower than -1.0V for pulse width 50ns or less 2
Junction Temperature Tjmax 150 °C Junction temperature at the storage condition 2
Electrostatic discharge voltage (human body model) VESD -4000 4000 V 2

CAD (KiCad official)

  • Symbol: BR24T16NUX-WTR
  • 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: br24t16nux-wtr-etched.step / br24t16nux-wtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); br24t16nux-wtr.step / br24t16nux-wtr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: ROHM Semicon datasheet (39 pp, sha256 9fc7177c80974680, retrieved 2026-10-26, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-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).

Datasheet PDF