This is the user manual of a capacitive touch IC from ROHM. It covers the principle and application circuit of the product, as well as usage notes.
The BR93C46‑WMN7TP is a 1‑Kbit Microwire serial EEPROM from ROHM. It operates from 2.5 V to 5.5 V and supports temperatures from –40 °C to +105 °C. Key features include 1 M erase/write cycles, 40‑year data retention, and a standard SO8‑narrow package.
The document provides recommended operating conditions, detailed DC characteristics, pin definitions, mechanical dimensions, and handling notes. Contact information for ROHM sales offices worldwide is also included.
| Supply Voltage | 2.5 V ~ 5.5 V |
|---|---|
| Operating Temperature | -40 °C ~ +105 °C |
| Endurance | 1,000,000 erase/write cycles |
| Data Retention | 40 years |
| Package Type | SO8 narrow |
| Package Dimensions (A) | 1.35 mm ~ 1.75 mm |
| Package Dimensions (D) | 4.80 mm ~ 5.00 mm |
The device operates from 2.5 V to 5.5 V.
It is rated for 1 million erase/write cycles.
Data is retained for up to 40 years.
The device works from –40 °C to +105 °C.