ACE24AC08B

Two-wire Serial EEPROM

VER 1.1

9

Figure 8: SCL and SDA Bus Timing

AC Characteristics

Symbol

Parameter

1.8V

2.5V-5.0V

Units

Min

Max

Min

Max

Clock Frequency, SCL

400

1000

kHz

Clock Pulse Width Low

1.3

0.4

µs

Clock Pulse Width High

0.6

0.4

µs

T

I

Noise suppression time

(1)

50

50

ns

Clock Low to Data Out Valid

0.2

0.9

0.2

0.55

µs

Time the bus must be free before a new

transmission can start

1.3

0.5

µs

Start Hold Time

0.6

0.25

µs

Start Set-up Time

0.6

0.25

µs

Data In Hold Time

0

0

µs

Data In Set-up Time

100

100

ns

Inputs Rise Time

0.3

0.3

µs

Inputs Fall Time

300

100

ns

Stop Setup Time

0.6

0.25

µs

Data Out Hold Time

50

50

ns

Write Cycle Time

5

5

ms

Endurance

(1)

25℃, Page Mode,3.3V

1,000,000

Write Cycles

Notes：

1. This Parameter is expected by characterization but is not fully screened by test.

2. AC Measurement conditions:

(Connects to Vcc): 1.3KΩ

Input Pulse Voltages: 0.3Vcc to 0.7Vcc

Input and output timing reference Voltages: 0.5Vcc