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AT24C01

0134E–SEEPR–08/02

Pin Description SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each

EEPROM device and negative edge clock data out of each device.

SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is

open-drain driven and may be wire-ORed with any number of other open-drain or open

collector devices.

Memory Organization AT24C01, 1K SERIAL EEPROM: Internally organized with 128 pages of 1 byte each.

The 1K requires a 7-bit data word address for random word addressing.

Note: 1. V

min and V

max are reference only and are not tested.

Pin Capacitance

Applicable over recommended operating range from T

=25°C, f = 1.0 MHz, V

= +1.8V.

Symbol Test Condition Max Units Condition

I/O

Input/Output Capacitance (SDA) 8 pF V

I/O

=0V

Input Capacitance (A0, A1, A2, SCL) 6 pF V

=0V

DC Characteristics

Applicable over recommended operating range from: T

=-40°Cto+85°C, V

= +1.8V to +5.5V, T

=0°Cto+70°C,

= +1.8V to +5.5V (unless otherwise noted).

Symbol Parameter Test Condition Min Typ Max Units

CC1

Supply Voltage 1.8 5.5 V

CC2

Supply Voltage 2.5 5.5 V

CC3

Supply Voltage 2.7 5.5 V

CC4

Supply Voltage 4.5 5.5 V

Supply Current V

= 5.0V READ at 100 kHz 0.4 1.0 mA

Supply Current V

= 5.0V WRITE at 100 kHz 2.0 3.0 mA

SB1

Standby Current V

=1.8V V

or V

0.6 3.0 µA

SB2

Standby Current V

=2.5V V

or V

1.4 4.0 µA

SB3

Standby Current V

=2.7V V

or V

1.6 4.0 µA

SB4

Standby Current V

=5.0V V

or V

8.0 18.0 µA

Input Leakage Current V

or V

0.10 3.0 µA

Output Leakage Current V

OUT

or V

0.05 3.0 µA

Input Low Level

(1)

-0.6 V

× 0.3 V

Input High Level

(1)

× 0.7 V

+0.5 V

OL2

Output Low Level V

=3.0V I

=2.1mA 0.4 V

OL1

Output Low Level V

=1.8V I

=0.15mA 0.2 V

1 2 3 4 5 6 7 8 ... 13 14

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