DS-0355 Datasheet, PDF (9/16 Pages) All Sensors Corporation – DLH Series Low Voltage Digital Pressure Sensors

Interface Timing Diagrams
Figure 5 - SPI Timing Diagram
t_SSCLK
SCLK
t_CLKD
t_LOW
t_HIGH
MISO ^(HI•Z)
MOSI
(don't
care)
t_SSSO
SS
t_DSU
t_DH
PARAMETER
SCLK frequency ⁽¹⁾
SS low to first clock edge
SS low to serial out
Clock to data out
SCLK low width
SCLK high width
Data setup to clock
Data hold after clock
Last clock to rising SS
SS high to output hi-Z
Bus idle time
(1) Maximum by design, tested to 1.0 MHz.
SYMBOL
fSCLK
tSSCLK
tSSSO
tCLKD
tLOW
tHIGH
tDSU
tDH
tCLKSS
tSSZ
tIDLE
MIN
0.05
120
--
8
100
100
50
50
0
--
250
(HI•Z)
don't care
t_CLKSS
t_SSZ
t_IDLE
TYP
MAX UNITS
-
5
MHz
-
-
ns
-
20
ns
-
32
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
20
ns
-
-
ns
Figure 6 - I2C Timing Diagram
t_HSTA
t_HIGH
t_LOW
SCL
SDA
t_{SUS TA}
PARAMETER
SCL frequency
SCL low width
SCL high width
Start condition setup
Start condition hold
Data setup to clock
Data hold to clock
Stop condition setup
Bus idle time
t_SUDAT
t_{H DAT}
SYMBOL
fSCL
tLOW
tHIGH
tSUSTA
tHSTA
tSUDAT
tHDAT
tSUSTP
tIDLE
MIN
100
1.3
0.6
0.6
0.6
0.1
0
0.6
2.0
t_SUSTP t_IDLE
TYP
MAX UNITS
-
400
KHz
-
-
us
-
-
us
-
-
us
-
-
us
-
-
us
-
-
us
-
-
us
-
-
us
All Sensors
DS-0355 Rev A
Page 9