参数资料
型号: DS87C530-ECL
厂商: DALLAS SEMICONDUCTOR
元件分类: Microcontroller
英文描述: 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52
封装: TQFP-52
文件页数: 26/44页
文件大小: 754K
代理商: DS87C530-ECL
DS87C530/DS83C530
32 of 44
AC ELECTRICAL CHARACTERISTICS
33 MHz
VARIABLE CLOCK
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
UNITS
Oscillator Freq.
(Ext. Osc.)
(Ext. Crystal)
1/tCLCL
0
1
33
0
1
33
MHz
ALE Pulse Width
tLHLL
40
1.5tCLCL-5
ns
Port 0 Address Valid to ALE Low
tAVLL
10
0.5tCLCL-5
ns
Address Hold after ALE Low
tLLAX1
10
0.5tCLCL-5
ns
ALE low to Valid Instruction In
tLLIV
56
2.5tCLCL-20
ns
ALE Low to PSEN Low
tLLPL
10
0.5tCLCL-5
ns
PSEN
Pulse Width
tPLPH
55
2tCLCL-5
ns
PSEN
Low to Valid Instr. In
tPLIV
41
2tCLCL-20
ns
Input Instruction Hold after PSEN
tPXIX
00
ns
Input Instruction Float after PSEN
tPXIZ
26
tCLCL-5
ns
Port 0 Address to Valid Instr. In
tAVIV
71
3tCLCL-20
ns
Port 2 Address to Valid Instr. In
tAVIV2
81
3.5tCLCL-25
ns
PSEN
Low to Address Float
tPLAZ
00
ns
NOTES FOR AC ELECTRICAL CHARACTERISTICS:
All parameters apply to both commercial and industrial temperature range operation unless otherwise
noted. All signals rated over operating temperature. All signals characterized with load capacitance of 80
pF except Port 0, ALE, PSEN , RD and WR with 100 pF. Interfacing to memory devices with float times
(turn off times) over 25 ns may cause contention. This will not damage the parts, but will cause an
increase in operating current. Specifications assume a 50% duty cycle for the oscillator. Port 2 and ALE
timing will change in relation to duty cycle variation.
相关PDF资料
PDF描述
DS87C520-MCL 8-BIT, OTPROM, MICROCONTROLLER, PDIP40
DS87C520-QNL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44
DS87C520-QCL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44
DS87C520-ECL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP44
DS87C520-MNL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PDIP40
相关代理商/技术参数
参数描述
DS87C530-ECL+ 功能描述:8位微控制器 -MCU EPROM MCU w/RTC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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DS87C530-ENL+ 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock
DS87C530-KCL 功能描述:8位微控制器 -MCU EPROM MCU w/RTC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT