AT24C256C(2008) Ver la hoja de datos (PDF) - Atmel Corporation

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componentes Descripción

Fabricante

AT24C256C
(Rev.:2008)

Two-wire Serial EEPROM 256K (32,768 x 8)

Atmel Corporation 

2. Memory Organization

AT24C256C, 256K SERIAL EEPROM: The 256K is internally organized as 512 pages of 64 bytes each. Random word

addressing requires a 15-bit data word address.

Table 2.

Pin Capacitance(1)

Applicable over recommended operating range from:

TA = 25°C, f = 1.0 MHz, V = +1.8V

CC

Symbol

Test Condition

Max

CI/O

Input/Output Capacitance (SDA)

8

CIN

Input Capacitance (A0, A1, SCL)

6

Note: 1. This parameter is characterized and is not 100% tested.

Units

pF

pF

Conditions

VI/O = 0V

VIN = 0V

Table 3. DC Characteristics

Applicable over recommended operating range from:

T

AI

=

−

40°C

to

+85°C,

V

CC

=

+1.8V

to

+5.5V

(unless

otherwise

noted)

Symbol

Parameter

Test Condition

VCC1

Supply Voltage

ICC1

Supply Current

VCC = 5.0V

READ at 400 kHz

ICC2

Supply Current

VCC = 5.0V

WRITE at 400 kHz

Standby Current

VCC = 1.8V

ISB1

(1.8V option)

VCC = 5.0V

VIN = VCC or VSS

Input Leakage

ILI

Currentt VCC = 5.0V

VIN = VCC or VSS

Output Leakage

ILO

Currentt VCC = 5.0V

VOUT = VCC or VSS

VIL

Input Low Level(1)

VIH

Input High Level(1)

VOL2

Output Low Level

VCC = 3.0V

IOL = 2.1 mA

VOL1

Output Low Level

VCC = 1.8V

IOL = 0.15 mA

Note: 1. V min and V max are reference only and are not tested.

IL

IH

Min

1.8

Ӎ0.6

VCC x 0.7

Typ

1.0

2.0

0.10

0.05

Max

5.5

2.0

3.0

1.0

6.0

3.0

3.0

VCC x 0.3

VCC + 0.5

0.4

0.2

Units

V

mA

mA

μA

μA

μA

μA

V

V

V

V

4 AT24C256C

8568A–SEEPR–11/08

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