MB3773PF-G-BND-JNE1 Fujitsu Semiconductor America Inc, MB3773PF-G-BND-JNE1 Datasheet - Page 24

• Manufacturer Part Number: MB3773PF-G-BND-JNE1
• Description: IC POWER SUPPLY MONITOR 8SOP
• Manufacturer: Fujitsu Semiconductor America Inc

Specifications of MB3773PF-G-BND-JNE1

• Applications: Power Supply Monitor
• Voltage - Supply: 3.5 V ~ 16 V
• Current - Supply: 600µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Other names: 865-1022

24
MB3773
Notes : This is an example application to limit upper frequency f
C
T
CK waveform
C
2
voltage
the microprocessor.
If the CK cycle sent from the microprocessor exceeds f
(The lower frequency has already been set using C
When a clock pulse such as shown below is sent to terminal CK, a short T
from reaching the CK input threshold level ( : = 1.25 V), and will cause a reset signal to be output.
The T
1
Example : Setting C and R allow the upper
value can be found using the following formula :
EXAMPLE 11: Circuit for Limiting Upper Clock Input Frequency
T
1
2
3
4
3
0.01 F
0.1 F
where V
T
C
1
T
: = 0.3 C
2
T
1
8
7
6
5
CC
2
R
2
5 V, T
3
C
3.0 s, T
2
10 k
10 k
R
R
2
T
2
T
1
T
value to be set (See the table below).
r1
.)
R
20 s
1
H
=10 k
H
, the circuit generates a reset signal.
of clock pulses sent from
300 s
30 s
RESET
RESET
CK
T
1
GND
2
prevents C
V
2
CC
voltage
(5 V)