HT48RA0-5 Holtek Semiconductor, HT48RA0-5 Datasheet - Page 4

• Manufacturer Part Number: HT48RA0-5
• Description: Remote Type 8-Bit OTP MCU
• Manufacturer: Holtek Semiconductor

A.C. Characteristics
Note: t
Power-on Reset Characteristics
Rev.1.00
V
RR
t
Symbol
f
f
t
t
t
t
Symbol
POR
SYS
HIRC
SST
WDTOSC
LVR
POR
POR
VDD
SYS
=1/f
System Clock
System Clock (HIRC)
System Start-up Timer Period
Watchdog Oscillator
Low Voltage Width to Reset
Power-on Reset Low Pulse Width
VDD Start Voltage to Ensure
Power-on Reset
VDD raising rate to Ensure
Power-on Reset
Minimum Time for VDD Stays at
V
POR
SYS
to Ensure Power-on Reset
Parameter
Parameter
1.8V~
3.6V
1.8V~
3.6V
V
V
3V
DD
DD
Test Conditions
Test Conditions
Ta= -20 C ~ 70 C
Ta= -10 C ~ 50 C
Power-up or wake-up
from HALT
4
Conditions
Conditions
0.035
Min.
4013
Min.
0.25
400
45
1
1
Typ.
4095
1024
Typ.
1.00
90
HT48RA0-5
Max.
Max.
4000
4179
2.00
100
180
March 23, 2010
www.DataSheet4U.com
Ta=25 C
V/ms
Unit
Unit
t
kHz
kHz
mV
ms
ms
SYS
s
s