FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM

This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for automotive components. This IC has the capacity of 64 K-bit and the organization of 8192 words × 8-bit. Page write and Sequential read are available.

Features

• Operating voltage range

Read: 2.5 V ~ 5.5 V

Write: 2.5 V ~ 5.5 V

• Operation frequency

S-25A640A: 5.0 MHz max.

S-25A640B: 6.5 MHz max.

• Write time

S-25A640A: 4.0 ms max.

S-25A640B: 5.0 ms max.

• SPI mode (0, 0) and (1, 1)

• Page write: 32 bytes / page

• Sequential read

• Write protect: Software, Hardware

Protect area: 25, 50, 100

• Monitoring of a write memory state by the status register

• Function to prevent malfunction by monitoring clock pulse

• Write protect function during the low power supply voltage

• CMOS schmitt input ( CS , SCK, SI, WP , HOLD )

• Endurance*1

S-25A640A: 106 cycle / word*2 (Ta = +25°C)

5 × 105 cycle / word*2 (Ta = +125°C)

S-25A640B: 106 cycle / word*2 (Ta = +25°C)

3 × 105 cycle / word*2 (Ta = +125°C)

• Data retention: 100 years (Ta = +25°C)

50 years (Ta = +125°C)

• Memory capacity: 64 K-bit

• Initial delivery state: FFh, SRWD = 0, BP1 = 0, BP0 = 0

• Burn-in specification: Wafer level burn-in

• Operation temperature range: Ta = −40°C to +125°C

• Lead-free (Sn 100), halogen-free*3

• AEC-Q100 qualified*4

*1. Refer to ■ Endurance for details.

*2. For each address (Word: 8-bit)

*3. Refer to ■ Product Name Structure for details.

*4. Contact our sales office for details.