HT48R03 Holtek Semiconductor, HT48R03 Datasheet - Page 5
HT48R03
Manufacturer Part Number
HT48R03
Description
(HT48R01 - HT48R03) 10-Pin MSOP I/O Type 8-Bit OTP MCU
Manufacturer
Holtek Semiconductor
Datasheet
1.HT48R03.pdf
(38 pages)
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A.C. Characteristics
Note: t
Rev. 1.00
f
f
f
f
t
t
t
t
t
V
R
SYS1
SYS2
SYS3
TIMER
WDTOSC
RES
SST
INT
LVR
Symbol
POR
POR
SYS
=1/f
System Clock
(Crystal OSC, RC OSC)
System Clock (Internal RC OSC)
( 10%)
System Clock (32768 Crystal)
Timer I/P Frequency (TMR)
Watchdog Oscillator Period
External Reset Low Pulse Width
System Start-up Timer Period
Interrupt Pulse Width
Low Voltage Width to Reset
VDD Start Voltage to Ensure
Power-on Reset
VDD Rise Rate to Ensure
Power-on Reset
SYS1
, 1/f
SYS2
Parameter
or 1/f
SYS3
4.5V~
5.5V
3.3V~
5.5V
2.2V~
5.5V
V
3V
5V
DD
Test Conditions
2.2V~5.5V
3.3V~5.5V
4.5V~5.5V
12MHz, Ta=25 C
8MHz, Ta=25 C
4MHz, Ta=25 C
2.2V~5.5V
3.3V~5.5V
4.5V~5.5V
Wake-up from HALT
5
Conditions
HT48R01/HT48R02/HT48R03
10800
0.035
7200
3600
Min.
0.25
400
400
400
45
32
0
0
0
1
1
12000
32768
8000
4000
1024
Typ.
90
65
1
December 20, 2006
12000
13200
12000
Max.
4000
8000
8800
4400
4000
8000
180
130
100
2
Ta=25 C
V/ms
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
t
mV
ms
Hz
SYS
s
s
s
s
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