24AA65/P【PDF 1/24 页】IC EEPROM 64KBIT 400KHZ 8DIP

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24AA65/24LC65/24C65

64K I 2 C ? Smart Serial ? EEPROM

Device Selection Table

Part Number

24AA65

24LC65

24C65

V CC Range

1.8-6.0V

2.5-6.0V

4.5-6.0V

Page Size

64 Bytes

Temp. Ranges

C, I

C, I, E

Packages

P, SM

Features:

? Voltage Operating Range: 1.8V to 6.0V

- Peak write current 3 mA at 6.0V

- Maximum read current 150 μ A at 6.0V

- Standby current 1 μ A, typical

? Industry Standard Two-Wire Bus Protocol I 2 C?

Compatible

? 8-Byte Page, or Byte modes Available

? 2 ms Typical Write Cycle Time, Byte or Page

? 64-Byte Input Cache for Fast Write Loads

? Up to 8 devices may be connected to the same

bus for up to 512K bits total memory

? Including 100 kHz (1.8V ≤ Vcc < 4.5V) and 400

kHz (4.5V ≤ V CC ≤ 6.0V) Compatibility

? Programmable Block Security Options

? Programmable Endurance Options

? Schmitt Trigger, Filtered Inputs for Noise

Suppression

? Output Slope Control to Eliminate Ground Bounce

? Self-Timed Erase and Write Cycles

? Power-on/off Data Protection Circuitry

? Endurance:

- 10,000,000 E/W cycles for a High Endurance

Description:

The Microchip Technology Inc. 24AA65/24LC65/

24C65 (24XX65)* is a “smart” 8K x 8 Serial Electrically

Erasable PROM. This device has been developed for

advanced, low-power applications such as personal

communications, and provides the systems designer

with flexibility through the use of many new user-pro-

grammable features. The 24XX65 offers a relocatable

4K bit block of ultra-high-endurance memory for data

that changes frequently. The remainder of the array, or

60K bits, is rated at 1,000,000 erase/write (E/W) cycles

ensured. The 24XX65 features an input cache for fast

write loads with a capacity of eight pages, or 64 bytes.

This device also features programmable security

options for E/W protection of critical data and/or code

of up to fifteen 4K blocks. Functional address lines

allow the connection of up to eight 24XX65’s on the

same bus for up to 512K bits contiguous EEPROM

memory. Advanced CMOS technology makes this

device ideal for low-power nonvolatile code and data

applications. The 24XX65 is available in the standard

8-pin plastic DIP and 8-pin surface mount SOIJ

package.

Package Types

Block

PDIP

V CC

- 1,000,000 E/W cycles for a Standard

Endurance Block

? Electrostatic Discharge Protection > 4000V

SCL

? Data Retention > 200 years

? 8-pin PDIP/SOIJ Packages

V SS

SDA

? Temperature Ranges

- Industrial (I) -40°C to +85°C

SOIJ

- Automotive (E) -40°C to +125°C

? Pb-Free and RoHS Compliant

*24XX65 is used in this document as a generic part

V SS

V CC

SCL

SDA

number for the 24AA65/24LC65/24C65 devices.

? 2008 Microchip Technology Inc.

DS21073K-page 1

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