MB4214 Datasheet, PDF (10/12 Pages) Fujitsu Component Limited. – TIMER

MB4214
s APPLICATION EXAMPLES
Fig. 13 - Timer
tOSC =
3.5
2
RT CT
R2
R1 + R2 ^[s]
Start timing: Rising edge of reset signal
Stop timing: Rising edge of V01 output
Reset
Switch
VCC
12V
RS
RL RL
100k
2
1
7
MB4214
35
VR VCT
96
VS
16
V01
17
4
V02
R1 VR
RT _CT
R2
Reset
VCT
tOSC
V01
2048tOSC
V02
4096tOSC
2048tOSC
4096tOSC
Fig. 14 - Super Low FrequencyOscillator
VCC
12V
RS
2.2k
(5.5V)
tOSC = _K ^{RT CT}
2
VS [s]
tPOR = _3.5 ^CRS _[s]
IRS
VZ
RL
2
1
7
MB4214
3 5 89
17
V02
6
CRS
VR VCT
RT _CT
VS
VCC
VCT
tOSC
V02
4096tOSC 4096tOSC
10