Memory

SPI-Bus Serial EEPROM S-25C128A

The S-25C128A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range operation. The S-25C128A has the capacity of 128 K-bit and the organization of 16384 words x 8-bit. Page write and sequential read are available.

Features

Wide range operation
Read: 1.6 V to 5.5 V
Write: 1.7 V to 5.5 V
Operation frequency
5.0 MHz (Vcc = 2.5 V to 5.5 V )
Write time
5.0 ms max.
SPI mode ( 0, 0 ) and ( 1, 1 )
Page write
64 bytes / page
Sequential read
Write protect
Software, Hardware
Protect area: 25%, 50%, 100%
Monitors Write to the memory by a status register
Function to prevent malfunction by monitoring clock pulse
Write protect function during the low power supply
CMOS schmitt input
( CS , SCK, SI, WP , HOLD )
Endurance
106cycles / word*1 ( Ta = +25°C )
Data retention
100 years ( Ta = +25°C )
Memory capacity
128 K-bit
Initial shipment data
FFh, SRWD = 0, BP1 = 0, BP0 = 0
Lead-free ( Sn 100% ), halogen-free*2

*1. For each address ( Word: 8-bit )
*2. Refer to ” Product Name Structure ” of the data sheet for details.