E981.07 Datasheet, PDF (17/46 Pages) ELMOS Semiconductor AG – Two independent operating channels

Two Channel Sensor Interface PSI5
ADVANCE PRODUCT INFORMATION JUL 26, 2011
E981.07
4.2.4 General SPI operating conditions
No.
Parameter
Symbol
Condition
Min. Typ. Max. Unit
1 SPI clock (SCK) operating
frequency
fSCK
➀
-
8.1 MHz
2 SPI clock (SCK) period
tSCK
➀
123,4
-
ns
3 Clock (SCK) high time
tSCKH
➀
47,5
-
ns
4 Clock (SCK) low time
tSCKL
➀
47,5
-
ns
5 Clock (SCK) fall time
tfall
➀
0
13
ns
6 Clock (SCK) rise time
trise
➀
0
13
ns
7 Data input setup time
tsetup
➀
12.5
-
ns
8 Data input hold time
thold
➀
30
-
ns
9 Enable (CSB) lead time
tlead
➀
61,8
-
ns
10 Enable (CSB) lag time
tCSB_lag
➀
61,8
-
ns
11 Sequential transfer delay
ttd
➀
371,1
-
ns
12 Capacitive load at SPI pins
MISO
CMISO
➀
-
80 pF
➀ These timings are given by the MCU. The IC`s SPI circuit is designed to be fully operational under these
worse case timings. SPI functionality test at WC timings is done during production test.
4.2.5 Internal Oscillator
No.
Parameter
1 Oscillator frequency
Symbol
fOSC
Condition
Min.
0,5
Typ.
1,2
Max. Unit
1,8 MHz
4.2.6 Over Temperature Switch Off
No.
Parameter
Symbol
Condition
Min. Typ. Max. Unit
1
Switch off threshold TOFF
➀,➁
170
o_C
2
Switch on threshold TON
➁
160
o_C
3 ^Hysteresis
➁
10
o_C
➀ When the temperature switch off threshold of the affected channel, the hardware error bit will be set and the
corresponding interface will be switched off.
➁Not tested in production
ELMOS Semiconductor AG
Data Sheet 17 / 45
QM-No.: 25DS0050E.00
This document contains information on a new product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.