HT56R66 Holtek Semiconductor Inc., HT56R66 Datasheet - Page 12

• Manufacturer Part Number: HT56R66
• Description: Tinypower Tm A/d Type With Lcd 8-bit Otp Mcu
• Manufacturer: Holtek Semiconductor Inc.

A.C. Characteristics
Note:
Rev. 1.10
f
f
f
f
t
t
t
t
t
t
Symbol
SYS
RTCOSC
TIMER
RC32K
RES
LVR
SST1
SST2
SST3
INT
*t
SYS
System Clock
(Crystal OSC, RC OSC)
RTC Frequency
Timer I/P Frequency
(TMR0/TMR1)
32K RC Oscillator
External Reset Low Pulse Width
Low Voltage Reset Time
System Start-up Timer Period
System Start-up Timer Period for
XTAL or RTC oscillator
System Start-up Timer Period for
External RC or External Clock
Interrupt Pulse Width
=1/f
SYS1
or 1/f
Parameter
SYS2
V
DD
2.2V~5.5V
3.0V~5.5V
4.5V~5.5V
2.2V~5.5V
3.0V~5.5V
4.5V~5.5V
2.2V~5.5V,
After Trim
Power-on
Wake-up from Power
Down Mode
Wake-up from Power
Down Mode
Test Conditions
12
Conditions
Min.
28.8
0.1
32
32
32
0
0
0
1
1
HT56R66/HT56R666
32768
1024
1024
Typ.
32.0
0.4
1
September 8, 2009
12000
12000
Max.
4000
8000
4000
8000
35.2
0.6
2
Ta=25 C
Unit
t
t
t
kHz
kHz
kHz
kHz
kHz
kHz
kHz
ms
SYS
SYS
SYS
Hz
s
s
*
*
*