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ACE24C32_11 Datasheet, PDF (6/17 Pages) ACE Technology Co., LTD. – Two-wire Serial EEPROM
ACE24C32/64
Two-wire Serial EEPROM
AC Characteristics
Applicable over recommended operating range from: TA = -40℃ to +85℃, VCC = +1.7V to +5.5V, CL = 100 pF (unless otherwise noted).
Test conditions are listed in Note 2.
Symbol
Parameter
1.7-volt 2.5-volt 5.5-volt
Units
Min Max Min Max Min Max
fSCL
TLOW
THIGH
tI1
TAA
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Clock Low to Data Out Valid
ACE24C32
ACE24C64
400
1000
1000 kHz
1.3
0.45
0.4
µs
0.6
0.45
0.4
µs
100
50
50 ns
0.02
0.02
0.02
0.9
0.55
0.55 µs
0.05
0.05
0.05
TBUF1
Time the bus must be free before a new
1.3
0.5
0.5
transmission can Start
µs
THD.STA
TSU.STA
THD.DAT
TSU.DAT
TR
TF
TSU.STO
TDH
Start Hold Time
Start Setup Time
Data In Hold Time
Data In Setup Time
Inputs Rise Time
Inputs Fall Time
Stop Setup Time
Data Out Hold Time
ACE24C32
ACE24C64
0.6
0.25
0.25
µs
0.6
0.25
0.25
µs
0
0
0
µs
100
100
100
ns
0.3
0.3
0.3 µs
300
100
100 ns
0.6
0.25
0.25
µs
20
20
20
ns
50
50
50
TWR
Endurance
(1)
Write Cycle Time
3.6V, 25℃, Page Mode
5
5
1,000,000
5 ms
Write
Cycles
Notes:1. This parameter is characterized and not 100% tested.
2.AC measurement conditions:
RL (connects to Vcc): 1.3kΩ
Input pulse voltages: 0.3 Vcc to 0.7 Vcc
Input rise and fall times: ≦50 ns
Input and output timing reference voltages: 0.5Vcc
VER 1.7 6