Holtek HT66F002 - A.C. Characteristics

Rev. 1.71 16 April 11, 2017 Rev. 1.71 17 April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
A.C. Characteristics
Ta = 25°C
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Condition
f
CPU
Operating Clock 2.2~5.5V — DC — 8 MHz
f
HIRC
System Clock (HIRC)
3V/5V Ta = 25°C -2% 8 +2% MHz
3V/5V Ta = 0°C to 70°C -5% 8 +5% MHz
2.2V~5.5V Ta = 0°C to 70°C -8% 8 +8% MHz
2.2V~5.5V Ta = -40°C to 85°C -12% 8 +12% MHz
f
LIRC
System Clock (LIRC) 2.2V~5.5V Ta = -40°C to 85°C 8 32 50 kHz
t
TIMER
xTCKn, xTPnI Input Pulse Width — — 0.3 — — μs
t
RES
External Reset Low Pulse Width — — 10 — — μs
t
INT
Interrupt Pulse Width — — 0.3 — — μs
t
EERD
EEPROM Read Time — — — 2 4 t
SYS
t
EEWR
EEPROM Write Time — — — 2 5 ms
t
SST
System Start-up Timer Period
(Wake-up from HALT, f
SYS
off at
HALT state)
—
f
SYS
=HIRC 16 — —
t
SYS
f
SYS
=LIRC 2 — —
t
RSTD
System Reset Delay Time
(Power On Reset, LVR reset, WDT
S/W reset(WDTC)
— — 25 50 100 ms
System Reset Delay Time
(RES reset, WDT normal reset)
— — 8.3 16.7 33.3 ms
Note:1.t
SYS
=1/f
SYS
2.TomaintaintheaccuracyoftheinternalHIRCoscillatorfrequency,a0.1μFdecouplingcapacitorshould
beconnectedbetweenVDDandVSSandlocatedasclosetothedeviceaspossible.