AN6783S
s Application Circuit Example (continued)
2. Timer
VCC
F/F
To
15
Each
block
Voltage
stabilizer
F/F
2
F/F
1
OSC
Input
circuit
Input
circuit
ICs for Timer
Ct
• Timer interval
tT = 16384t0
= 16384 × 0.947Rt (Ω) · Ct (F)
≈ 15.52Rt (kΩ) · Ct (µF)
RL
1 µF to 10 µF
VCR
High
Reset
Low
Out High
Low
t0
tT = 16384t0
Reset
Rt
tT
Note) For AN6784 and AN6785, above descriptions can be applied to with regard to their same pin functions.
8