S-25C320A データシートの表示（PDF） - Seiko Instruments Inc

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S-25C320A

SPI SERIAL E2PROM

Seiko Instruments Inc 

S-25C320A/640A

www.sii-ic.com

© SII Semiconductor Corporation, 2009-2015

SPI SERIAL E2PROM

Rev.4.2_02_H

The S-25C320A/640A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide

range operation. The S-25C320A/640A has the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words × 8-bit,

8192 words × 8-bit. Page write and sequential read are available.

 Features

• Operating voltage range:

Read 1.6 V to 5.5 V

Write 1.7 V to 5.5 V

• Operation frequency

• Write time:

• SPI mode (0, 0) and (1, 1)

• Page write:

• Sequential read

• Write protect:

Protect area:

5.0 MHz (VCC = 2.5 V to 5.5 V)

5.0 ms max.

32 bytes / page

Software, Hardware

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 voltage

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

• Endurance:

• Data retention:

• Memory capacity:

106cycles / word*1 (Ta = +25°C)

100 years (Ta = +25°C)

S-25C320A

32 K-bit

S-25C640A

64 K-bit

• Initial delivery state:

• Operation temperature range:

• Lead-free (Sn 100%), halogen-free*2

FFh, SRWD = 0, BP1 = 0, BP0 = 0

Ta = −40°C to +85°C

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

*2. Refer to “ Product Name Structure” for details.

 Packages

• 8-Pin SOP (JEDEC)

• 8-Pin TSSOP

• TMSOP-8

• SNT-8A

Caution This product is intended to use in general electronic devices such as consumer electronics, office

equipment, and communications devices. Before using the product in medical equipment or

automobile equipment including car audio, keyless entry and engine control unit, contact to SII

Semiconductor Corporation is indispensable.

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