ISL54302 Datasheet, PDF (10/16 Pages) Intersil Corporation – 12V, 1.5OHM Quad SPST Switch with Latched Parallel Interface

ISL54302
VPLUS (VSUB+5 TO VSUB+12V)
VLOGIC (GND + 3V)
VDD (VSUB +3V)
VSUB (-3V TO 0V)
GND
C1
4.7µF
C2
4.7µF
C3
4.7µF
C4
4.7µF
SWITCH CONTACT
CONNECTIONS
CS-LATCH DEVICE 1
DIGITAL INPUTS FROM
SYSTEM CONTROLLER
SW1-CTRL
SW2-CTRL
SW3-CTRL
SW4-CTRL
CS-LATCH
6
7
8
9
10
SW1_CTRL
SW2_CTRL
GND
SW3_CTRL
SW4_CTRL
NC
VSS
VDD
VLOGIC
VPLUS
20
19
18
17
16
CS-LATCH DEVICE 2
SWITCH CONTACT
CONNECTIONS
ISL54302
CS-LATCH
6
7
8
9
10
SW1_CTRL
SW2_CTRL
GND
SW3_CTRL
SW4_CTRL
NC
VSS
VDD
VLOGIC
VPLUS
20
19
18
17
16
CS-LATCH DEVICE 3
SWITCH CONTACT
CONNECTIONS
CS-LATCH
ISL54302
C5
C8
C9
C10
0.1µF 0.1µF 0.1µF 0.1µF
DEVICE DECOUPLING
C6
C11
C12
C13
0.1µF 0.1µF 0.1µF 0.1µF
6
7
8
9
10
SW1_CTRL
SW2_CTRL
GND
SW3_CTRL
SW4_CTRL
NC
VSS
VDD
VLOGIC
VPLUS
20
19
18
17
16
C7
C14
C15
C16
0.1µF 0.1µF 0.1µF 0.1µF
ISL54302
SWITCH CONTACT
CONNECTIONS
FIGURE 8. ISL54302 SW-CONTROL LINES MULTIPLEXED
GND
10
March 19, 2008