MAX3108(2011) Просмотр технического описания (PDF) - Maxim Integrated
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MAX3108 Datasheet PDF : 56 Pages
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SPI/I2C UART with 128-Word FIFOs in WLP
AC ELECTRICAL CHARACTERISTICS
(VCC = 1.71V to 3.6V, VL = 1.71V to 3.6V, VEXT = 1.71V to 3.6V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at
VCC = 2.8V, VL = 1.8V, VEXT = 2.5V, TA = +25NC.) (Note 2)
PARAMETER
External Cystal Frequency
External Clock Frequency
External Clock Duty Cycle
SYMBOL
fXOSC
fCLK
(Note 5)
CONDITIONS
MIN TYP MAX UNITS
1
4
MHz
0.5
35
MHz
45
55
%
Baud-Rate Generator Clock
Input Frequency
fREF
I2C BUS: TIMING CHARACTERISTICS (Figure 1)
Standard mode
96
MHz
100
SCL Clock Frequency
fSCL
Fast mode
Fast mode plus
400
kHz
1000
Bus Free Time Between a STOP
and START Condition
tBUF
Standard mode
Fast mode
Fast mode plus
4.7
1.3
Fs
0.5
Hold Time for START Condition
and Repeated START Condition
tHD:STA
Standard mode
Fast mode
Fast mode plus
4.0
0.6
Fs
0.26
Standard mode
4.7
Low Period of the SCL Clock
tLOW
Fast mode
Fast mode plus
1.3
Fs
0.5
Standard mode
4.0
High Period of the SCL Clock
tHIGH
Fast mode
Fast mode plus
Standard mode
0.6
Fs
0.26
0
0.9
Data Hold Time
tHD:DAT Fast mode
Fast mode plus
0
0.9
Fs
0
Data Setup Time
tSU:DAT
Standard mode
Fast mode
Fast mode plus
250
100
ns
50
Setup Time for Repeated START
Condition
tSU:STA
Standard mode
Fast mode
Fast mode plus
4.7
0.2
Fs
0.26
Rise Time of Incoming SDA and
SCL Signals
Standard mode (0.3 x VL to 0.7 x VL)
(Note 6)
20 +
0.1CB
tR
Fast mode (0.3 x VL to 0.7 x VL) (Note 6)
20 +
0.1CB
Fast mode plus
1000
ns
300
120
Fall Time of SDA and SCL
Signals
Standard mode (0.3 x VL to 0.7 x VL)
(Note 6)
20 +
0.1CB
tF
Fast mode (0.3 x VL to 0.7 x VL) (Note 6)
20 +
0.1CB
Fast mode plus
1000
ns
300
120
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