Key facts
- Brand
- Catalyst
- Model
- 256K-BIT
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-07
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CATALYST CAT25C128/256 128K/256K-Bit SPI Serial CMOS E 2 PROM Manual
This document describes the CAT25C128/256 SPI serial CMOS EEPROM, including its features, electrical characteristics, pin assignments, and functional operation. It covers package options, absolute maximum ratings, reliability data, and detailed timing specifications for read, write, and protection functions.
The datasheet also explains the instruction set, status register bits, block protection scheme, and design considerations such as power‑up behavior and standby mode. Ordering information and temperature‑range options for commercial, industrial, and automotive grades are provided at the end.
Catalyst 256K-BIT specifications
| Operating Voltage | +1.8 V to +6.0 V |
|---|---|
| Program/Erase Cycles | 100,000 cycles |
| Data Retention | 100 years |
| Package Options | 8‑Pin DIP, 8‑Pin SOIC, 16‑Pin SOIC, 14‑Pin TSSOP, 20‑Pin TSSOP |
| Write Current | 10 mA (write) |
| Read Current | 2 mA (read) |
| Standby Current | 0 nA |
Source: CATALYST CAT25C128/256 128K/256K-Bit SPI Serial CMOS E 2 PROM Manual
All Catalyst 256K-BIT documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range of the CAT25C128/256?
The device operates from +1.8 V to +6.0 V.
From: CATALYST CAT25C128/256 128K/256K-Bit SPI Serial CMOS E 2 PROM Manual
How many program/erase cycles does the CAT25C128/256 support?
It supports up to 100,000 program/erase cycles.
From: CATALYST CAT25C128/256 128K/256K-Bit SPI Serial CMOS E 2 PROM Manual
What is the operating voltage range of the CAT24WC256?
The device operates from 1.8 V up to 6 V.
From: Catalyst CAT24WC256 256K‑Bit I²C Serial CMOS EEPROM Datasheet
How many program/erase cycles can the CAT24WC256 endure?
It is rated for 100 000 program/erase cycles per byte.
From: Catalyst CAT24WC256 256K‑Bit I²C Serial CMOS EEPROM Datasheet