Automotive ICs

125°C Operation SPI Serial EEPROM for Automotive S-25A080A/160A/320A, S-25A080B/160B/320B (8K/16K/32K-bit)

This IC is a SPI serial EEPROM which operates under the high temperature, at high speed, with the wide range operation for automotive components. This IC has the capacity of 8 K-bit, 16 K-bit, 32 K-bit and the organization of 1024 words × 8-bit, 2048 words × 8-bit, 4096 words × 8-bit. Page write and Sequential read are available.

Caution: Before using the product in automobile control unit or medical equipment, it is imperative to contact our sales representatives.


Operating voltage range
Read: 2.5 V to 5.5 V
Write: 2.5 V to 5.5 V
Operation frequency
6.5 MHz max.
Write time
S-25A080A/160A/320A: 4.0 ms max.
S-25A080B/160B/320B: 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)
S-25A080A/160A/320A: 106 cycle / word*2 (Ta = +25°C), 5 × 105 cycle / word*2 (Ta = +125°C)
S-25A080B/160B/320B: 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
S-25A080A, S-25A080B: 8 K-bit
S-25A160A, S-25A160B: 16 K-bit
S-25A320A, S-25A320B: 32 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 representatives for details.

Parts List

  • U(Ux), S and G at the end of the product name of ABLIC Inc. were used to indicate different material specifications as “environmental code”,
    however, these have now been unified into “lead-free and halogen-free” and are identical in terms of environmental quality.
  • Note: Lead-free plating other than 100% Sn is applied to some limited old products, therefore, please contact our sales representatives for details.
  • These descriptions may be different from the actual product name and parameter.
    Please confirm the product name and specifications with the data sheet again.
  • The information herein is subject to change without notice.