MAX14830 Datasheet, PDF (11/68 Pages) Maxim Integrated Products – Quad Serial UART with 128-Word FIFOs

MAX14830
Quad Serial UART with 128-Word FIFOs
AC ELECTRICAL CHARACTERISTICS (continued)
(VA = +2.35V 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 VA = +2.8V, VL = +1.8V, VEXT = +2.5V, TA = +25NC.) (Notes 2, 3)
PARAMETER
SYMBOL
I²C BUS: TIMING CHARACTERISTICS (SEE FIGURE 1)
CONDITIONS
MIN TYP MAX UNITS
Standard mode
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
Standard mode
4.0
0.6
Fs
0.26
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
0.6
Fs
0.26
Standard mode
0
0.9
Data Hold Time
tHD:DAT Fast mode
Fast mode plus
0
0.9
Fs
0
Standard mode
250
Data Setup Time
tSU:DAT Fast mode
Fast mode plus
100
ns
50
Setup Time for Repeated START
Condition
tSU:STA
Standard mode
Fast mode
Fast mode plus
4.7
0.6
Fs
0.26
Rise Time of SDA and SCL
Signals Receiving
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
1000
ns
300
Fast mode plus
120
Fall Time of SDA and SCL
Signals
Standard mode (0.7 x VL to 0.3 x VL)
(Note 6)
20 +
0.1Cb
tF
Fast mode (0.7 x VL to 0.3 x VL) (Note 6)
20 +
0.1Cb
Fast mode plus
300
ns
300
120
Setup Time for STOP Condition
Capacitive Load for SDA and
SCL (Note 4)
tSU:STO
Cb
Standard mode
Fast mode
Fast mode plus
Standard mode
Fast mode
Fast mode plus
4.7
0.6
Fs
0.26
400
400
pF
550
Maxim Integrated
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