Datasheet
73S8009C Data Sheet  DS_8009C_025 
12    Rev. 1.5 
V
rdy
  Vcc ready voltage (RDY 
= 1) 
5 V operation, Vcc rising  4.6 
– 
– 
V 
3 V operation, Vcc rising  2.75 
– 
– 
V 
1.8 V operation, Vcc rising  1.65 
– 
– 
V 
V
CCF
  RDY = 0 
(V
CC
 voltage supervisor 
threshold) 
 V
CC
 = 5 V 
– 
– 
4.6  V 
C
VPC
External filter cap for V
PC
8.0 
10.0 
12.0 
µF 
Cvp  External filter cap for VP 
2.0  4.7  6.8 
µF 
C
F
External filter capacitor 
(V
CC
 to GND)  
 C
F
 should be ceramic with low 
ESR (<100 mΩ). 
0.2  0.47  1.0 
µF 
C
VDD
  VDD filter capacitor    0.2  –  1.0 
µF 
Ivpcoff  VPC supply current for 
Vcc=0 
Vpc=5 V, Vcc=0 V (off)      400 
µA 










