AT24C08D データシートの表示（PDF） - Atmel Corporation
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AT24C08D Datasheet PDF : 28 Pages
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8.4 AC Characteristics
Parameters are applicable over operating range in Section 8.2 unless otherwise noted. Test conditions shown in Note 2.
Symbol
Parameter
VCC1.7V - 3.6V
Min
Max
VCC 2.5V - 3.6V
Min
Max
Units
fSCL
Clock Frequency, SCL
400
1000
kHz
tLOW
Clock Pulse Width Low
1300
500
ns
tHIGH
Clock Pulse Width High
600
400
ns
tI
Input Filter Spike Suppression (SCL, SDA)(1)
100
100
ns
tAA
Clock Low to Data Out Valid
900
450
ns
tBUF
Bus Free Time between Stop and Start(1)
1300
500
ns
tHD.STA
Start Hold Time
600
250
ns
tSU.STA
Start Set-up Time
600
250
ns
tHD.DAT
Data In Hold Time
0
0
ns
tSU.DAT
tR
tF
Data In Set-up Time
Inputs Rise Time(1)
Inputs Fall Time(1)
100
100
ns
300
100
ns
300
100
ns
tSU.STO
Stop Set-up Time
600
250
ns
tSU.WP
Write Protect Setup Time
600
100
ns
tHD.WP
Write Protect Hold Time
600
400
ns
tDH
Data Out Hold Time
50
50
ns
tWR
Write Cycle Time
5
5
ms
Notes: 1. These parameters are determined through product characterization and are not 100% tested in production.
2. AC measurement conditions:
CL: 100pF
RPUP (SDA bus line pull-up resistor to VCC): 1.3k (1000kHz), 4k (400kHz)
Input pulse voltages: 0.3 x VCC to 0.7 x VCC
Input rise and fall times: 50ns
Input and output timing reference voltages: 0.5 x VCC
Figure 8-1. Bus Timing
tHIGH
tF
tR
tLOW
SCL
SDA IN
tSU.STA
tHD.STA
tHD.DAT
tSU.DAT
tSU.STO
tAA
tDH
tBUF
SDA OUT
AT24C08D [DATASHEET] 15
Atmel-8880B-SEEPROM-AT24C08D-Datasheet_042014
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