AT24C21

3

Note:

1. V

Note:

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

DC Characteristics

Applicable over recommended operating range from: T

(unless otherwise noted).

Symbol

Parameter

Test Condition

Min

Typ

Max

Units

V

CC

Supply Voltage

2.5

5.5

V

I

CC

Supply Current V

READ at 100 KHz

0.4

1.0

mA

I

CC

Supply Current V

WRITE at 100 KHz

2.0

3.0

mA

I

SB

Standby Current .......V

.......V

V

V

3.0

12.0

4.0

30.0

µA

µA

I

LI

Input Leakage Current

V

0.10

1.0

µA

I

LO

Output Leakage Current

V

0.05

1.0

µA

V

IL

Input Low Level VCLK Pin

V

V

-0.6

V

0.8

0.2

× V

CC

V

V

V

V

IH

Input High Level VCLK Pin

V

2.0

V

V

V

V

OL

Output Low Level V

I

0.40

V

Applicable over recommended operating range from T

Symbol

Test Condition

Max

Units

Conditions

C

I/O

Input/Output Capacitance (SDA)

8

pF

V

C

IN

Input Capacitance (A

6

pF

V

Transmit-Only Mode

Symbol

Parameter

2.5-volt

Units

Min

Max

T

VAA

Output valid from VCLK

500

ns

T

VHIGH

VCLK high-time

4.0

µs

T

VLOW

VCLK low-time

4.7

µs

T

VHZ

Mode transition time

500

ns

T

VPU

Transmit-Only power-up time

0

ns