AT24C64C データシートの表示（PDF） - Atmel Corporation
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AT24C64C Datasheet PDF : 28 Pages
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AT24C32C/64C
AC Characteristics
Applicable over recommended operating range from TAI = -40°C to +85°C, VCC = +1.8V to +5.5V, CL = 1 TTL Gate and
100 pF (unless otherwise noted)
1.8-volt
5.0-volt
Symbol
Parameter
Min Max
Min
Max
Units
fSCL
tLOW
tHIGH
ti
tAA
tBUF
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time(1)
Clock Low to Data Out Valid
Time the bus must be free before a new
transmission can start(1)
400
1000
kHz
1.3
0.4
µs
0.6
0.4
µs
100
50
ns
0.05 0.9
0.05
0.55
µs
1.3
0.5
µs
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Endurance(1)
Start Hold Time
Start Set-up Time
Data In Hold Time
Data In Set-up Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Set-up Time
Data Out Hold Time
Write Cycle Time
25°C, Page Mode, 3.3V
0.6
0.25
0.6
0.25
0
0
100
100
0.3
300
0.6
0.25
50
50
5
1,000,000
µs
µs
µs
ns
0.3
µs
100
ns
µs
ns
5
ms
Write
Cycles
Notes:
1. This parameter is ensured by characterization.
2. AC measurement conditions:
RL (connects to VCC): 1.3 kΩ (2.5V, 5.0V), 10 kΩ (1.8V)
Input pulse voltages: 0.3 VCC to 0.7 VCC
Input rise and fall times: ≤ 50 ns
Input and output timing reference voltages: 0.5 VCC
5
5298A–SEEPR–1/08
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