參數(shù)資料
型號(hào)： DS80C320-MCG
廠商： DALLAS SEMICONDUCTOR
元件分類(lèi)： Microcontroller
英文描述： 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PDIP40
封裝： 0.600 INCH, PLASTIC, DIP-40
文件頁(yè)數(shù)： 22/42頁(yè)
文件大?。?/td> 736K
代理商： DS80C320-MCG
DS80C320/DS80C323
29 of 42
DS80C323 AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
18 MHz
MIN
18 MHz
MAX
VARIABLE
CLOCK
MIN
VARIABLE
CLOCK
MAX
UNITS
Oscillator Frequency
(Ext. Osc.)
(Ext. Crystal)
1/tCLCL
0
1
18
0
1
18
MHz
ALE Pulse Width
tLHLL
73
1.5tCLCL-10
ns
Port 0 Address Valid
to ALE Low
tAVLL
16
0.5tCLCL-11
ns
Address Hold After
ALE Low
tLLAX1
8
note 5
0.25tCLCL-5
note 5
ns
Address Hold After
ALE Low for MOVX WR
tLLAX2
20
0.5tCLCL-7
ns
ALE Low to Valid
Instruction In
tLLIV
112
2.5tCLCL-27
ns
ALE Low to PSEN Low
tLLPL
6
0.25tCLCL-7
ns
PSEN
Pulse Width
tPLPH
118
2.25tCLCL-7
ns
PSEN
Low to Valid
Instruction In
tPLIV
104
2.25tCLCL-21
ns
Input Instruction Hold
After PSEN
tPXIX
00
ns
Input Instruction Float
After PSEN
tPXIZ
51
tCLCL-5
ns
Port 0 Address to Valid
Instruction In
tAVIV1
140
3tCLCL-27
ns
Port 2 Address to Valid
Instruction In
tAVIV2
162
3.5tCLCL-33
ns
PSEN
Low to
Address Float
tPLAZ
note 5
ns
NOTES FOR DS80C323 AC ELECTRICAL CHARACTERISTICS:
All parameters apply to both commercial and industrial temperature range operation unless otherwise
noted. AC timing characteristics valid for oscillator frequency > 16 MHz.
1. All signals rated over operating temperature at 18 MHz.
2. All signals characterized with load capacitance of 80 pF except Port 0, ALE, PSEN , RD and WR at
100 pF. Note that loading should be approximately equal for valid timing.
3. Interfacing to memory devices with float times (turn off times) over 35 ns may cause contention. This
will not damage the parts, but will cause an increase in operating current.
4. Specifications assume a 50% duty cycle for the oscillator. Port 2 timing will change with the duty
cycle variations.
5. Address is held in a weak latch until over-driven by external memory.
相關(guān)PDF資料
PDF描述
DS80C320-QNG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
DS80C320-ECG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320-FNG 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320-FCG 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320QNG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS80C320MCG+ 制造商:Maxim Integrated Products 功能描述:DS80C320 8bit microcontroller,25MHz
DS80C320-MCG+ 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
DS80C320-MCL 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
DS80C320MCL+ 制造商:DSC 功能描述:
DS80C320-MCL+ 功能描述:8位微控制器 -MCU High-Speed Low-Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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