參數(shù)資料
型號: MC68HC08QY4CDTE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
封裝: 0.65 MM PITCH, LEAD FREE, TSSOP-16
文件頁數(shù): 59/176頁
文件大?。?/td> 1124K
代理商: MC68HC08QY4CDTE
5-V Control Timing
MC68HC08QY/QT Family Data Sheet, Rev. 2
Freescale Semiconductor
151
16.7 5-V Control Timing
Figure 16-3. RST and IRQ Timing
16.8 3-V DC Electrical Characteristics
Characteristic(1)
1. VDD = 4.5 to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH; timing shown with respect to 20% VDD and 70% VSS, unless otherwise
noted.
Symbol
Min
Max
Unit
Internal operating frequency
fOP
(fBUS)
—8
MHz
Internal clock period (1/fOP)tcyc
125
ns
RST input pulse width low(2)
2. Values are based on characterization results, not tested in production.
tRL
100
ns
IRQ interrupt pulse width low (edge-triggered)(2)
tILIH
100
ns
IRQ interrupt pulse period(2)
tILIL
Note(3)
3. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 tcyc.
tcyc
Characteristic(1)
Symbol
Min
Typ(2)
Max
Unit
Output high voltage
ILoad = –0.6 mA, all I/O pins
ILoad = –4.0 mA, all I/O pins
ILoad = –10.0 mA, PTA0, PTA1, PTA3–PTA5 only
VOH
VDD–0.3
VDD–1.0
VDD–0.8
V
Maximum combined IOH (all I/O pins)
IOHT
——
50
mA
Output low voltage
ILoad = 0.5 mA, all I/O pins
ILoad = 6.0 mA, all I/O pins
ILoad = 10.0 mA, PTA0, PTA1, PTA3–PTA5 only
VOL
0.3
1.0
0.8
V
Maximum combined IOL (all I/O pins)
IOHL
——
50
mA
Input high voltage
PTA0–PTA5, PTB0–PTB7
VIH
0.7 x VDD
VDD
V
— Continued on next page
RST
IRQ
tRL
tILIH
tILIL
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