參數資料
型號: MC68HC705J1ADWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數: 29/162頁
文件大?。?/td> 1517K
代理商: MC68HC705J1ADWR2
Technical Data
MC68HC705J1A — Rev. 3.0
124
Electrical Specifications
MOTOROLA
Electrical Specications
10.11 EPROM Programming Characteristics
10.12 5.0-Volt Control Timing
Characteristic(1)
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = –40°C to +105°C, unless otherwise noted
Symbol
Min
Typ
Max
Unit
Programming voltage
IRQ/VPP
VPP
16.0
16.5
17.0
V
Programming current
IRQ/VPP
IPP
3.0
10.0
mA
Programming time
Per array byte
MOR
tEPGM
tMPGM
4
ms
Characteristic(1)
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = –40°C to +105°C, unless otherwise noted
Symbol
Min
Max
Unit
Oscillator frequency
Crystal oscillator option
External clock source
fosc
dc
4.2
MHz
Internal operating frequency (fosc ÷ 2)
Crystal oscillator
External clock
fop
dc
2.1
MHz
Cycle time (1
÷ f
OP)tcyc
476
ns
RESET pulse width low
tRL
1.5
tcyc
IRQ interrupt pulse width low (edge-triggered)
tILIH
1.5
tcyc
IRQ interrupt pulse width low (edge- and level-triggered)
tILIL
1.5
Note(2)
2. The maximum width, tILIL or tILIH, should not be more than the number of cycles it takes to execute the interrupt service
routine plus 19 tcyc or the interrupt service routine will be re-entered.
tcyc
PA0–PA3 interrupt pulse width high (edge-triggered)
tIHIL
1.5
tcyc
PA0–PA3 interrupt pulse width (edge- and level-triggered)
tIHIH
1.5
Note(2)
tcyc
OSC1 pulse width
tOH, tOL
200
ns
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