Ac characteristics – Rainbow Electronics AT24C512 User Manual

Page 5

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5

AT24C512

1116H–SEEPR–08/02

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), 10 kΩ (1.8V)

Input pulse voltages: 0.3V

CC

to 0.7V

CC

Input rise and fall times:

≤50 ns

Input and output timing reference voltages: 0.5V

CC

AC Characteristics

Applicable over recommended operating range from T

A

= -40

°C to +85°C, V

CC

= +1.8V to +5.5V, C

L

= 100 pF (unless oth-

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

Symbol

Parameter

1.8-volt

2.7-volt

5.0-volt

Units

Min

Max

Min

Max

Min

Max

f

SCL

Clock Frequency, SCL

100

400

1000

kHz

t

LOW

Clock Pulse Width Low

4.7

1.3

0.4

µs

t

HIGH

Clock Pulse Width High

4.0

1.0

0.4

µs

t

AA

Clock Low to Data Out Valid

0.1

4.5

0.05

0.9

0.05

0.55

µs

t

BUF

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

(1)

4.7

1.3

0.5

µs

t

HD.STA

Start Hold Time

4.0

0.6

0.25

µs

t

SU.STA

Start Set-up Time

4.7

0.6

0.25

µs

t

HD.DAT

Data In Hold Time

0

0

0

µs

t

SU.DAT

Data In Set-up Time

200

100

100

ns

t

R

Inputs Rise Time

(1)

1.0

0.3

0.3

µs

t

F

Inputs Fall Time

(1)

300

300

100

ns

t

SU.STO

Stop Set-up Time

4.7

0.6

0.25

µs

t

DH

Data Out Hold Time

100

50

50

ns

t

WR

Write Cycle Time

20

10

10

ms

Endurance

(1)

5.0V, 25

°C, Page Mode

100K

100K

100K

Write Cycles

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