AT24C32D and AT24C64D I2C Automotive Temperature Serial EEPROM0 pages

AT24C32D and AT24C64D

/Itmet _

l2C Automotive Temperature Serial EEPROM

32K (4096 x 8), 64K (8192 x 8)

DATASHEET

Features

• Standard-voltage operation

- Vcc = 2.5V to 5.5V

• Automotive temperature range -40°C to 125°C

• Internally organized 4096 x 8 (32K), 8192 x 8 (64K)

• 2-wire serial interface compatible with l2C

• Schmitt Trigger, filtered inputs for noise suppression

• Bidirectional data transfer protocol

400kHz compatibility

• Write protect pin for hardware data protection

• 32-byte page write modes

• Partial page writes are allowed

• Self-timed write cycle (5ms max)

• High-reliability

- Endurance: 1 million write cycles

- Data retention: 100 years

• 8-lead JEDEC SOIC and 8-lead TSSOP packages

Description

The Atmel® AT24C32D/64D provides 32768/65536 bits of Serial Electrically

Erasable and Programmable Read-Only Memory (EEPROM) organized as

4096/8192 words of eight bits each. The device is optimized for use in many

automotive applications where low-power and low-voltage operation are essential.

AT24C32D/64D is available in space-saving 8-lead JEDEC SOIC and 8-lead

TSSOP packages and is accessed via a 2-wire serial interface. This device

operates from 2.5V to 5.5V.

Figure 1. Pin Configurations

8-lead SOIC

8-lead TSSOP

A0

Ai

A2

GND

]VCC

]WP

]SCL

]SDA

A0C 1

Ai C 2

A2C 3

GND C 4

8 □ Vcc

7 □ WP

6 □ SCL

5 □ SDA

Atmel-8800C-SEEPROM-AT24C32D-64D-Auto-Datasheet_022014