HT46801N-1 Holtek Semiconductor, HT46801N-1 Datasheet - Page 9

• Manufacturer Part Number: HT46801N-1
• Description: (HT4xR01x-1) Small Package 8-Bit OTP MCU
• Manufacturer: Holtek Semiconductor

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Note:
Rev.1.00
f
f
f
t
t
t
t
t
t
Symbol
ERC
LXT
TIMER
LIRC
RES
SST
INT
LVR
RSTD
1. t
2. *For f
SYS
System Clock
(ERC)
System Clock (LXT)
Timer Input Frequency
(TCn)
LIRC Oscillator
External Reset Low Pulse Width
System Start-up time Period
Interrupt Pulse Width
Low Voltage Width to Reset
Reset Delay Time
=1/f
ERC
SYS
, as the resistor tolerance will influence the frequency a precision resistor is recommended.
Parameter
2.2V~
5.5V
V
5V
5V
5V
3V
5V
DD
Ta=25 C, R=120k *
Ta=0~70 C, R=120k *
Ta= 40 C~85 C,
R=120k *
Ta= 40 C~85 C,
R=120k *
2.2V~5.5V
3.3V~5.5V
4.5V~5.5V
For HXT/LXT
For ERC/IRC
Test Conditions
9
Conditions
HT46R01B-1/HT46R01N-1
HT48R01B-1/HT48R01N-1
Min.
0.25
11%
45
32
2%
5%
7%
0
0
0
1
1
32768
Typ.
128
100
90
65
4
4
4
4
2
1
12000
+11%
Max.
4000
8000
+2%
+5%
+7%
180
130
2
June 9, 2011
Ta=25 C
MHz
MHz
MHz
MHz
Unit
t
t
kHz
kHz
kHz
ms
ms
Hz
SYS
SYS
s
s
s
s
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