EC24C64CE1GT datasheet(1/17 Pages) E-CMOS

Part #	EC24C64CE1GT

Description	64K bits Two-wire Serial EEPROM

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Manufacturer	E-CMOS [E-CMOS Corporation]

Direct Link	http://www.ecmos.com.tw/

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EC24C64C

64K bits Two-wire Serial EEPROM

E-CMOS Corp. (www.ecmos.com.tw)

Page 1 of 17

5C26N-Rev.F001

General Description

The EC24C64C is an industrial standard

electrically erasable programmable read

only memory (EEPROM) device that utilizes the

industrial

standard

2-wire

interface

for

communications. The EC24C64C contains

a

memory array of 64K bits (8,192x8), which

is

organized

in

32-byte per page.

The EEPROM operates in a wide voltage range

from 1.7V to 5.5V, which fits most

application.

The

product

provides low-power operations

and low standby current. The device

is offered in Lead-free, RoHS, halogen free or

Green package. The available package types

are

8-pin SOP, TSSOP, DFN, MSOP.

The EC24C64C is compatible to the standard

2-

wire bus protocol. The simple bus consists of

Serial

Clock

(SCL)

and

Serial Data

(SDA)

signals. Utilizing such bus protocol, a Master

device, such as a microcontroller, can usually

control one or more Slave devices, alike this

EC24C64C.

The bit stream over the SDA line includes a series

of bytes, which identifies a particular Slave device,

an instruction, an address within that Slave

device, and a series of data, if appropriate. The

EC24C64C also has a Write Protect

Function via WP pin to cease

from

overwriting

the

data stored inside the memory array.

In order to refrain

the

state

machine

from

entering

into

a wrong

state

during

power-up

sequence

or

a

power

toggle off-on condition, a

power

on

reset

circuit

is

embedded. During

power-up, the device

does not respond to

any instructions

until

the

supply

voltage

(VCC)

has

reached

an acceptable

stable

level

above

the

reset

threshold

voltage.

Once VCC passes the power on reset threshold, the device

is reset and enters into the Standby mode. This would also

avoid any inadvertent

Write

operations

during

power-

up stage. During power-down

process,

the

device

will

enter into standby mode, once

VCC

drops

below

the

power

on reset

threshold

voltage.

In

addition,

the

device

will

be

in standby mode after receiving the

Stop command, provided that no internal write operation is

in progress. Nevertheless, it is illegal to send a command

unless the

VCC is within its operating level.

This product offers an additional page (Identification Page)

of 32 bytes. The Identification Page can be used to

store

sensitive application parameters which can be (later)

permanently locked in Read-only mode.

Features

● Two-Wire Serial Interface, I

2CTM Compatible

– Bi-directional data transfer protocol

● Wide-voltage Operation

– VCC = 1.7V to 5.5V

● Speed: 400 KHz (1.7V) and 1 MHz (2.5V~5.5V)

uA, 1.7V

● Operating current (max.): 0.8mA, 5.5V

● Hardware Data Protection

– Write Protect Pin

● Sequential & Random Read Features

● Memory organization: 8,192 x 8 bits

● Page Size: 32 bytes

● Page write mode

– partial page writes allowed

● Addition write lockable page(identification page)

● Self timed write cycle: 5ms (max.)

● Noise immunity on inputs, besides Schmitt trigger

● High-reliability

– Endurance: 1 million cycles

– Data retention: 100 years

● Industrial temperature grades

● Packages: SOP,TSSOP,MSOP,DFN

● Lead-free, RoHS, Halogen free, Green

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EC24C64CE1GT Datasheet(PDF) 1 Page - E-CMOS Corporation

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