ACE24AC04 Datasheet, PDF (9/18 Pages) –

ACE24AC04.08.16
Two-wire Serial EEPROM
AC Characteristics
Figure 8: SCL and SDA Bus Timing
Symbol
Parameter
1.8-2.5V
Min Max
5.0V
Min Max
f_SCL
T_LOW
T_HIGH
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
400
1000
1.2
0.7
0.4
0.3
T_I
Noise suppression time(1)
180
120
T_AA
Clock Low to Data Out Valid
0.3
0.9
0.2
0.7
Time the bus must be free before a new
T_BUF
1.3
transmission can start
0.5
T_HD.STA
Start Hold Time
0.6
0.25
T_SU.STA
Start Set-up Time
0.6
0.25
T_HD.DAT
Data In Hold Time
0
0
T_SU.DAT
Data In Set-up Time
100
100
T_R
Inputs Rise Time
0.3
0.3
T_F
Inputs Fall Time
300
100
T_SU.STO
Stop Setup Time
0.6
0.25
T_DH
Data Out Hold Time
50
50
T_WR
Endurance⁽¹⁾
Write Cycle Time
25℃, Page Mode,3.3V
5
5
1,000,000
Notes*： 1. This Parameter is expected by characterization but is not fully screened by test.
2. AC Measurement conditions:
RL (Connects to Vcc): 1.3KΩ
Input Pulse Voltages: 0.3Vcc to 0.7Vcc
Input and output timing reference Voltages: 0.5Vcc
Units
kHz
µs
µs
ns
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
ms
Write Cycles
VER 1.2 9