5

AT24C32A/64A

3054N–SEEPR–2/04

Notes:

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

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

3. The Write Cycle Time of 5 ms only applies to the AT24C32A/64A devices bearing the process letter “A” on the package (the

mark is located in the lower right corner on the top side of the package).

AC Characteristics

Applicable over recommended operating range from T

CL = 1 TTL Gate and

100 pF (unless otherwise noted).

Symbol

Parameter

AT24C32A

AT24C64A

Units

1.8V

2.5V – 5.0V

1.8V – 3.6V

5.0V

Min

Max

Min

Max

Min

Max

Min

Max

Clock Frequency, SCL

100

400

400

400

kHz

t

LOW

Clock Pulse Width Low

4.7

1.3

1.3

1.2

µs

t

HIGH

Clock Pulse Width High

4.0

0.6

0.6

0.6

µs

Noise Suppression Time

(1)

100

50

100

50

ns

t

AA

Clock Low to Data Out Valid

0.1

4.5

0.1

0.9

0.2

0.9

0.1

0.9

µs

Time the bus must be free

before a new transmission

can start

(2)

4.7

1.3

1.3

1.2

µs

t

HD.STA

Start Hold Time

4.0

0.6

0.6

0.6

µs

Start Set-up Time

4.7

0.6

0.6

0.6

µs

t

HD.DAT

Data In Hold Time

0

0

0

0

µs

t

SU.DAT

Data In Set-up Time

200

100

100

100

ns

Inputs Rise Time

(2)

1.0

0.3

0.3

0.3

µs

t

F

Inputs Fall Time

(2)

300

300

300

300

ns

t

SU.STO

Stop Set-up Time

4.7

0.6

0.6

0.6

µs

Data Out Hold Time

100

50

200

50

ns

t

WR

Write Cycle Time

(3)

(3)

(3)

(3)

ms

Endurance

(1)

5.0V, 25

° C, Page Mode

1M

1M

1M

1M

Write

Cycles