UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 876

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(7) POC circuit characteristics
Note When the voltage drops in shorter width than the minimum pulse width, the operation of POC detection isn't
POC Circuit Timing
874
Detection voltage
Power supply rise time
Minimum pulse width
(T
A
guaranteed.
= 40 to +85 C, V
Parameter
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
CHAPTER 29 ELECTRICAL SPECIFICATIONS ((A) GRADE PRODUCTS) (TARGET)
Note
Supply voltage
SS
= EV
(V
DD
SS
V
t
t
Symbol
)
PTH
PW
POC0
= 0 V)
Preliminary User’s Manual U19748EJ1V0UD
V
When the voltage drops
DD
t
PTH
: 0 V
V
POC0
Conditions
t
PW
MIN.
1.44
200
TYP.
1.59
Time
MAX.
1.74
0.5
V/ms
Unit
V
s