參數(shù)資料
型號： DS87C530
廠商： Maxim Integrated Products, Inc.
英文描述： EPROM/ROM Micro with Real Time Clock(帶實(shí)時時鐘的EPROM/ROM高速微控制器)
中文描述： EPROM微控制器，帶有實(shí)時時鐘
文件頁數(shù)： 30/41頁
文件大?。?/td> 437K
代理商： DS87C530
DS87C530/DS83C530
070898 30/41
MOVX CHARACTERISTICS USING STRETCH MEMORY CYCLES
PARAMETER
Data Access ALE Pulse Width
SYMBOL
t
LHLL2
VARIABLE CLOCK
MIN
1.5t
CLCL
–5
2t
CLCL
–5
0.5t
CLCL
–5
t
CLCL
–5
2t
CLCL
–5
t
MCS
–10
2t
CLCL
–5
t
MCS
–10
UNITS
ns
STRETCH
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
MAX
Address Hold after ALE Low for
MOVX Write
RD Pulse Width
t
LLAX2
ns
t
RLRH
ns
WR Pulse Width
t
WLWH
ns
RD Low to Valid Data In
t
RLDV
2t
CLCL
–20
t
MCS
–20
ns
Data Hold after Read
Data Float after Read
t
RHDX
t
RHDZ
0
ns
ns
t
CLCL
–5
2t
CLCL
–5
2.5t
CLCL
–20
t
MCS
+t
CLCL
–40
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
t
MCS
=0
t
MCS
>0
ALE Low to Valid Data In
t
LLDV
ns
Port 0 Address to Valid Data In
t
AVDV1
3t
CLCL
–20
t
MCS
+1.5t
CLCL
–20
3.5t
CLCL
–20
t
MCS
+2t
CLCL
–20
0.5t
CLCL
+5
t
CLCL
+5
ns
Port 2 Address to Valid Data In
t
AVDV2
ns
ALE Low to RD or WR Low
t
LLWL
0.5t
CLCL
–5
t
CLCL
–5
t
CLCL
–5
2t
CLCL
–5
1.5t
CLCL
–10
2.5t
CLCL
–10
–5
t
CLCL
–5
2t
CLCL
–5
ns
Port 0 Address to RD or WR Low
t
AVWL1
ns
Port 2 Address to RD or WR Low
t
AVWL2
ns
Data Valid to WR Transition
Data Hold after Write
t
QVWX
t
WHQX
ns
ns
t
MCS
=0
t
MCS
>0
RD Low to Address Float
RD or WR High to ALE High
t
RLAZ
t
WHLH
–0.5t
CLCL
–5
10
t
CLCL
+5
ns
ns
0
t
CLCL
–5
t
MCS
=0
t
MCS
>0
NOTE: t
MCS
is a time period related to the Stretch memory cycle selection. The following table shows the value of
t
MCS
for each Stretch selection.
M2
M1
0
M0
0
MOVX CYCLES
2 machine cycles
t
MCS
0
0
0
0
1
3 machine cycles (default)
4 t
CLCL
8 t
CLCL
12 t
CLCL
16 t
CLCL
20 t
CLCL
24 t
CLCL
28 t
CLCL
0
1
0
4 machine cycles
0
1
1
5 machine cycles
1
0
0
6 machine cycles
1
0
1
7 machine cycles
1
1
0
8 machine cycles
1
1
1
9 machine cycles
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS87C530_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock
DS87C530_1 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Micro with Real Time Clock
DS87C530+ECL 制造商:Maxim Integrated Products 功能描述:MICRO OTP RTC 33MHZ 52P TQFP PB-FRR - Trays
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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小: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
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 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小: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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