Ac characteristics – Rainbow Electronics AT24C1024 User Manual

Page 5

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5

AT24C1024

1471D–07/01

AC Characteristics

Notes:

1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:

R

L

(connects to V

CC

): 1.3 k

Ω (2.7V, 5V)

Input pulse voltages: 0.3 V

CC

to 0.7 V

CC

Input rise and fall times:

≤50 ns

Input and output timing reference voltages: 0.5 V

CC

Applicable over recommended operating range from T

A

= -40

°C to +85°C, V

CC

= +2.7V to +5.5V, C

L

= 100 pF (unless

otherwise noted). Test conditions are listed in Note 2.

Symbol

Parameter

Test Conditions

Min

Max

Units

f

SCL

Clock Frequency, SCL

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

1000

400

kHz

t

LOW

Clock Pulse Width Low

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.6

1.3

µs

t

HIGH

Clock Pulse Width High

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.4

1.0

µs

t

AA

Clock Low to Data Out Valid

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.05

0.05

0.55

0.9

µs

t

BUF

Time the bus must be free before a new
transmission can start

(1)

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.5

1.3

µs

t

HD.STA

Start Hold Time

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.25

0.6

µs

t

SU.STA

Start Setup Time

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.25

0.6

µs

t

HD.DAT

Data In Hold Time

0

µs

t

SU.DAT

Data In Setup Time

100

ns

t

R

Inputs Rise Time

(1)

0.3

µs

t

F

Inputs Fall Time

(1)

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

100

300

ns

t

SU.STO

Stop Setup Time

4.5V

≤ V

CC

≤ 5.5V

2.7V

≤ V

CC

≤ 5.5V

0.25

0.6

µs

t

DH

Data Out Hold Time

50

ns

t

WR

Write Cycle Time

10

ms

Endurance

(1)

5.0V, 25

°C, Page Mode

100K

Write Cycles

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