Rainbow Electronics MAX1464 - Manual (Page 8)

MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
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TIMING CHARACTERISTICS
(V DDF = V DD = 4.5V to 5.5V, V SSF = V SS = 0V, f CLK = 4.0MHz, T A = T MIN to T MAX . Typical values are at V DDF = V DD = 5.0V, V SSF = V SS = 0V,
T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Programming Temperature T PROG 125 °C
Internal Oscillator Clock
Frequency
f ICLK OSC[4:0] = 00000 3.3 4.15 5.3 MHz
Min 0.2
External Clock Frequency f ECLK V CKSEL = 0
Max 5
MHz
External Master Clock Input Low
Time
f ECLKIN _ LO t ECLK = 1 / f ECLK 40 60
%
t ECLK
External Master Clock Input High
Time
f ECLKIN _ HI t ECLK = 1 / f ECLK 40 60
%
t ECLK
SERIAL INTERFACE (Figure 1)
SCLK Setup to Falling Edge CS t SC 30 ns
CS Falling Edge to SCLK Rising
Edge Setup Time
t CSS 30 ns
CS Idle Time t CSI f CLK = 4MHz 1.5 µs
CS Period t CS f CLK = 4MHz 4 µs
SCLK Falling Edge to Data Valid
Delay
t DO C LOAD = 200pF 80 ns
Data Valid to SCLK Rising Edge
Setup Time
t DS 30 ns
Data Valid to SCLK Rising Edge
Hold Time
t DH 30 ns
SCLK High Pulse Width t CH 100 ns
SCLK Low Pulse Width t CL 100 ns
CS Rising Edge to SCLK Rising
Edge Hold Time
t CSH 30 ns
CS Falling Edge to Output
Enable
t DV C LOAD = 200pF 25 ns
CS Rising Edge to Output
Disable
t TR C LOAD = 200pF 25 ns