Kingbor Technology Co.,Ltd
TEL:(86)0755-83095458 FAX:(86)0755-88364052
KB862
Microprocessor Reset circuits
Features
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Under-voltage monitor
Super low consumption current(1.0uA typ)
High precision detection voltage(2%)
Operating range(0.7 - 10V)
Wide operating temperature range(-30 to +85
°
C)
Power-on reset generation (150ms Typ)
Choice of threshold voltages (contact Kingbor regarding
availability)
Active-low reset output
Rejects brief input transients
Industry standard package and pinout
4-pin SC-82AB package
General Description
This system reset IC, developed using the CMOS pr-
ocess, has a built-in delay function. Super low consu-
mption current of 1.0
µ
A typ. has been achieved throu-
gh use of the CMOS process. Also, detection voltage is
high precision detection of 2%.
Applications
• Monitoring processor, ASIC, or FPGA core and I/O
voltages
• PDAs, hand-held PCs
• Embedded controllers
• Telecommunications systems
• Power supplies
• Wireless / Cellular systems
• Networking hardware
Ordering Information
Part Number
KB862-280
Marking
6K
Typical
Application
Voltage*
3.3V
±5%
Nominal
Threshold
Voltage
2.8V
T
RST
(ms)
150
Junction
Temperature
Range
–30°C to +85°C
Package
SC-82AB
Typical Application
VDD
Block Diagrams
VDD
VDD
KB862
/MR
C1
0.22uF
/RESET
VDD
/RESET
µP
/RESET
GND
/MR
Typical Operating Circuit
March 2007
1
KB862