參數(shù)資料
型號(hào): MC68HC05BD7B
廠商: MOTOROLA INC
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封裝: SDIP-42
文件頁(yè)數(shù): 75/85頁(yè)
文件大?。?/td> 302K
代理商: MC68HC05BD7B
SECTION 13: ELECTRICAL SPECIFICATIONS
MOTOROLA
Page 67
MC68HC05BD7 Rev. 2.0
GENERAL RELEASE SPECIFICATION
PRELIMINARY
13.4
Control Timing
(VDD = 5.0 Vdc ±10%, VSS = 0Vdc, TA = 0C to +70C, unless otherwise noted)
NOTE:
1. The minimum period tILIL should not be less than the number of cycles it takes to execute the interrupt service routine plus 21
tCYC.
Characteristic
Symbol
Min
Max
Units
Frequency of Operation
Crystal Oscillator Option
External Clock Source
fOSC
dc
4.2
MHz
Internal Operating Frequency
Crystal Oscillator (fOSC/2)
External Clock (fOSC/2)
fOP
dc
2.1
MHz
Cycle Time (1/fop)tCYC
480
ns
Crystal Oscillator Start-up Time (Crystal Oscillator option)
tOXON
100
ms
RESET Pulse Width Low
tRL
1.5
tCYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
tILIH
125
ns
IRQ Interrupt Pulse Period
tILIL
note 1
tCYC
EXTAL Pulse Width
tOH, tOL
100
ns
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