AT88SC018 데이터 시트보기 (PDF) - Atmel Corporation
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AT88SC018 Datasheet PDF : 11 Pages
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CryptoCompanion™ Chip
Table 4. AC Characteristics (1)
Applicable over recommended operating range from VCC = +2.7 to 3.6 V,
TAC = -40o C to 85o C, CL = 30pF (unless otherwise noted)
Symbol
Parameter
Min
Max
Units
fCLK
tR
tF
tR
tF
tAA
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tSU.STO
tDH
Clock Frequency
Clock Duty cycle (2)
Rise Time - SDA, RST, PDN (2)
Fall Time - SDA, RST, PDN (2)
Rise Time - SCL (2)
Fall Time - SCL (2)
Clock Low to Data Out Valid
Start Hold Time
Start Set-up Time
Data In Hold Time
Data In Set-up Time
Stop Set-up Time
Data Out Hold Time
0
400
kHz
40
60
%
300
nS
300
nS
300
nS
300
nS
900
nS
600
nS
600
nS
100
nS
100
nS
600
nS
50
900
nS
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
2. This parameter is not tested. Values are based on characterization and/or simulation data.
Figure 2. SCL: Serial Clock, SDA: Serial Data I/O®
7
5277DS–CryptoCompanion–9/09
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