UPD4991ACX Renesas Electronics America, UPD4991ACX Datasheet - Page 57

• Manufacturer Part Number: UPD4991ACX
• Manufacturer: Renesas Electronics America

Specifications of UPD4991ACX

• Lead Free Status / RoHS Status: Supplier Unconfirmed

contributing to miniaturization and cost reduction.
When the PC2260V is used, the power supply circuit and power-fail circuit of the system can be simplified,
6 to 20 V
CHAPTER 4 ELECTRICAL SPECIFICATIONS AND INTERFACE
0.33 F
+
Figure 4-12. Power-Fail Circuit (with PC2260V)
IN
GND DLY RST
PC2260V
C
OUT
+
47 F
C: For delay time of reset
About 30 ms until reset recovery at 0.1 F
(0 to 0.47 F)
System voltage +5 V (0.5 A)
CS
2
of PD4991A and RESET input of CPU
55