CS6422
CS6422
SWITCHING CHARACTERISTICS
Parameter
Symbol
trise
Min
Typ
Max
Units
µs
Digital input rise time
1.0
tRSTL
1.0
µs
RST low time
CLKI frequency
CLKI duty cycle
CLKI high or low time
fCLKI
tLCLKI
tHLCLKI
tDRDY
20.480
50
MHz
%
40
60
19.5
ns
125
µs
Min DRDY falling to DRDY falling (CLKI = 20.480 MHz)
STROBE high or low time
tHLSTROBE
tsDRDY
55
30
ns
ns
DRDY falling to STROBE rising setup time
DATA valid to STROBE rising setup time
STROBE rising to DATA valid hold time
tsDATA
thDATA
thDRDY
30
30
30
ns
ns
ns
STROBE rising to DRDY rising hold time
tcRST
twRST
110
100
ms
ms
Min RST rising to 4th extra STROBE pulse (cold reset)
Max RST rising to 4th extra STROBE pulse(warm reset)
1
tHLCKI tHLCKI
fCLKI
Figure 1. CLKI Timing
tcRST
twRST
tRSTL
RST
STROBE
DATA
four extra strobe pulses
1
2
3
4
Bit15 Bit14
Bit2 Bit1 Bit0
DRDY
Figure 2. Reset Timing
t
DRDY
DRDY
t
t
sDRDY
hDRDY
STROBE
DATA
t
t
sDATA
hDATA
Bit14
t
HLSTROBE
Bit15
Bit15
Bit0
Bit14
Figure 3. Microcontroller Interface Timing
8
8
DS295F1
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