參數(shù)資料
型號: DS87C520-WCL
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Microcontroller
英文描述: 8-BIT, UVPROM, 33 MHz, MICROCONTROLLER, CDIP40
封裝: LEAD FREE, WINDOWED, CERDIP-40
文件頁數(shù): 27/43頁
文件大?。?/td> 709K
代理商: DS87C520-WCL
DS87C520/DS83C520 EPROM/ROM High-Speed Microcontrollers
33 of 43
MOVX CHARACTERISTICS
VARIABLE CLOCK
PARAMETER
SYMBOL
MIN
MAX
UNITS
STRETCH
1.5tCLCL-5
tMCS=0
Data Access ALE Pulse Width
tLHLL2
2tCLCL-5
ns
tMCS>0
0.5tCLCL-5
tMCS=0
Port 0 Address Valid to ALE Low
tAVLL2
tCLCL-5
ns
tMCS>0
0.5tCLCL-10
tMCS=0
Address Hold after ALE Low for
MOVX Write
tLLAX2
tCLCL-7
ns
tMCS>0
2tCLCL-5
tMCS=0
RD Pulse Width
tRLRH
tMCS-10
ns
tMCS>0
2tCLCL-5
tMCS=0
WR Pulse Width
tWLWH
tMCS-10
ns
tMCS>0
2tCLCL-22
tMCS=0
RD Low to Valid Data In
tRLDV
tMCS-24
ns
tMCS>0
Data Hold After Read
tRHDX
0
ns
tCLCL-5
tMCS=0
Data Float after Read
tRHDZ
2tCLCL-5
ns
tMCS>0
2.5tCLCL-31
tMCS=0
ALE Low to Valid Data In
tLLDV
tMCS+tCLCL-26
ns
tMCS>0
3tCLCL-29
tMCS=0
Port 0 Address to Valid Data In
tAVDV1
tMCS+2tCLCL-
29
ns
tMCS>0
3.5tCLCL-37
tMCS=0
Port 2 Address to Valid Data In
tAVDV2
tMCS+2.5tCLCL-
37
ns
tMCS>0
0.5tCLCL-10
0.5tCLCL+5
tMCS=0
ALE Low to
RD or WR Low
tLLWL
tCLCL-5
tCLCL+5
ns
tMCS>0
tCLCL-9
tMCS=0
Port 0 Address to
RD or WR Low
tAVWL1
2tCLCL-7
ns
tMCS>0
1.5tCLCL-17
tMCS=0
Port 2 Address to
RD or WR Low
tAVWL2
2.5tCLCL-16
ns
tMCS>0
Data Valid to
WR Transition
tQVWX
-6
ns
tCLCL-5
tMCS=0
Data Hold after Write
tWHQX
2tCLCL-6
ns
tMCS>0
RD Low to Address Float
tRLAZ
(Note 2)
ns
-4
10
tMCS=0
RD or WR High to ALE High
tWHLH
tCLCL-5
tCLCL+5
ns
tMCS>0
Note 1:
tMCS is a time period related to the Stretch memory cycle selection. The following table shows the value of tMCS for
each Stretch selection.
Note 2:
Address is driven strongly until ALE falls, and is then held in a weak latch until overdriven externally.
相關(guān)PDF資料
PDF描述
DS87C530-ENL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52
DS87C530-QCL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC52
DS83C530-ECL 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQFP52
DS83C530-QNL 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC52
DS87C530-QNL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS87C530 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM MICRO WITH REAL TIME CLOCK
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