 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
HT49CV3 датащи(PDF) 5 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT49CV3 датащи(HTML) 5 Page - Holtek Semiconductor Inc |
|
|
5 / 44 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VIH1 Input High Voltage for I/O Ports, TMR and INT 3V ¾ 0.8VDD ¾ VDD V 5V VIL2 Input Low Voltage (RES) 3V ¾ 0 ¾ 0.4VDD V 5V VIH2 Input High Voltage (RES) 3V ¾ 0.9VDD ¾ VDD V 5V IOL I/O Port Sink Current 3V VOL=0.1VDD 612 ¾ mA 5V 10 25 ¾ mA IOH1 I/O Port Source Current 3V VOH=0.9VDD -2 -4 ¾ mA 5V -5 -8 ¾ mA IOH2 Grid Source Current 5V VOH=VDD -2V -15 ¾¾ mA IOH3 Segment Source Current 5V VOH=VDD -2V -3 ¾¾ mA RPH Pull-high Resistance of I/O Ports and INT0, INT1 3V ¾ 20 60 100 k W 5V ¾ 10 30 50 k W RPL VFD Driver Output Pull-low Resistor 5V ¾ 50 100 150 k W VLVR Low Voltage Reset Voltage ¾ LVR enabled 2.7 3.0 3.3 V Note: ²*fS² Refer to WDT clock option A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS1 System Clock ¾ 2.2V~5.5V 400 ¾ 4000 kHz ¾ 3.3V~5.5V 400 ¾ 8000 kHz fSYS2 System Clock (32768Hz Crystal OSC) ¾ 2.2V~5.5V ¾ 32768 ¾ Hz fRTCOSC RTC Frequency ¾¾ ¾ 32768 ¾ Hz fTIMER Timer I/P Frequency (TMR0/TMR1) ¾ 2.2V~5.5V 0 ¾ 4000 kHz ¾ 3.3V~5.5V 0 ¾ 8000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V ¾ 32 65 130 ms tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Power-up or wake-up from HALT ¾ 1024 ¾ tSYS tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms Note: tSYS= 1/fSYS HT49RV3/HT49CV3 Rev. 1.30 5 March 20, 2007 |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
