CMOS Voltage detector with delay circuit and Manual Reset function
ELM73xxxxxA
■Standard circuit
• ELM73xxNAxA
• ELM73xxCAxA
100k
VDD
VDD
OUT
OUT
ExtC
ExtC
Cex
Cex
VSS
VSS
• ELM73xxNBxA
• ELM73xxCBxA
100k
Cex
VDD
VDD
MR
OUT
ExtC
OUT
ExtC
MR
Cex
VSS
VSS
If delay function is not required, Cex is not necessary.
*
■Block diagram
• ELM73xxNAxA
VDD
• ELM73xxCAxA
VDD
OUT
ExtC
Vref
+
-
Vref
Delay
circuit
+
-
Delay
circuit
OUT
ExtC
VSS
VSS
• ELM73xxNBxA
• ELM73xxCBxA
VDD
VDD
OUT
Vref
+
Vref
+
-
Delay
circuit
Delay
circuit
-
OUT
MR
MR
ExtC
ExtC
VSS
VSS
Rev.1.1
16 - 3
ELM [ ELM ELECTRONICS ]
