CLT01-38SQ7 Datasheet, PDF (3/18 Pages) STMicroelectronics – High speed digital input current limiter

CLT01-38SQ7
Circuit block diagram
1.1
I/O pin description
Table 1. I/O pin descriptions
Name
Type
Description
Pin #
IN_I Power input Logic input with current limitation, I = 1 to 8
16, 17, 18, 19,
21, 22, 23, 24
LD_I
Power output
LED output driver with current regulation, I =
1 to 8
34, 35, 36, 37,
38, 39, 40, 41
V_C
V_CS
COM_P
V_DD
COM_S
REF
SPM
Power input 24 V sensor power supply
Signal input 24 V sensor power supply sensing input
Ground Power ground of power sensor supply
Power output 5 V logic power supply
Ground Signal ground of logic / output section
Signal input Input current limiter reference setting
Signal input
SPI shift register length selector:
-SPM to GND: 16 bits
-SPM to VDD: 8 bits
13
14
7, 15, 20, 31
1
43
42
4
/CS Logic input SPI chip Select signal
48
SCK Logic input SPI serial clock signal
47
MOSI Logic input SPI serial data input signal
46
SPI data selector:
DVR Logic input -DVR to GND: pin 31 = MISO
2
-DVR to VDD: pin 31 = /MISO
MISO
or
/MISO
Logic output
SPI serial data output signal or inverting SPI
serial data output signal
44
TAB
Substrate
Exposed pad: connected to die substrate, to
be connected to COM_P
TAB
3, 5, 6, 8, 9, 10, 11, 12, 25,
NC
Not connected (or to be connected to COM_P) 26, 27, 28, 29, 30, 32, 33,
45
DocID028182 Rev 1
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