AT88SC0404CA Просмотр технического описания (PDF) - Atmel Corporation
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AT88SC0404CA Datasheet PDF : 23 Pages
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Table 7-1.
DC Characteristics (Continued)
Applicable over recommended operating range from VCC = +2.7 to 3.6V, TAC = -40°C to +85°C (unless otherwise noted)
Symbol Parameter
Test Condition
Min
Typ
Max
Units
IOH
IOL
Note:
SDA/IO Output High Current
VOH
20
uA
SDA/IO Output Low Current
VOL
10
mA
1. To prevent Latch Up Conditions from occurring during Power Up of the AT88SC0404CA, VCC must be turned on before
applying VIH. For Powering Down, VIH must be removed before turning VCC off.
Table 7-2. AC Characteristics
Applicable over recommended operating range from VCC = +2.7 to 3.6V, TAC = -40°C to +85°C, CL = 30pF (unless otherwise noted)
Parameter
Min
Max
Units
fCLK
Async Clock Frequency
fCLK
Synch Clock Frequency
Clock Duty cycle
1
4
MHz
0
1
MHz
40
60
%
tR
tF
tR
tF
tAA
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tSU.STO
tDH
tWR
“Rise Time - SDA/IO, RST”
“Fall Time - SDA/IO, RST”
Rise Time - SCL/CLK
Fall Time - SCL/CLK
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
Write Cycle Time
1
uS
1
uS
9% x period
uS
9% x period
uS
250
nS
200
nS
200
nS
10
nS
100
nS
200
nS
20
nS
5
mS
6 AT88SC0404CA
5203CS–CRYPT–5/09
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