ICM7242_15 Datasheet, PDF (6/11 Pages) Intersil Corporation – Long Range Fixed Timer

TRIGGER
V_DD
S_{1 50k}
ICM7242
V_DD
V_DD
V_DD
V_DD
R (NOTE)
C
A
1µF
6
3
ICM7242 _{33k 10k}
A
5
100pF
R (NOTE)
C
B
1µF
6
3
ICM7242 _{33k 10k}
B
5
100pF
R (NOTE)
C
C
1µF
6
3
ICM7242 _{33k 10k}
C
5
100pF
R (NOTE)
D
C
6
3
ICM7242 _33k
D
5
100pF
PUSH S₁ TO START SEQUENCE:
MUST BE SHORTER THAN “ON TIME_A”
TRIGGER
OUTPUT A (NOTE)
OUTPUT B (NOTE)
128RC
128RC
OUTPUT C (NOTE)
OUTPUT D (NOTE)
ON TIME_A
ON TIME_B
NOTE: Select RC values for desired “ON TIME” for each ICM7242.
FIGURE 6. SEQUENCE TIMER
128RC
ON TIME_C
128RC
ON TIME_D
6
FN2866.5
September 14, 2015