參數(shù)資料
型號: DS83C530-ENL
廠商: DALLAS SEMICONDUCTOR
元件分類: Microcontroller
英文描述: 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 27/44頁
文件大?。?/td> 754K
代理商: DS83C530-ENL
DS87C530/DS83C530
33 of 44
MOVX CHARACTERISTICS USING STRETCH MEMORY CYCLES
VARIABLE CLOCK
PARAMETER
SYMBOL
MIN
MAX
UNITS
STRETCH
Data Access ALE Pulse Width
tLHLL2
1.5tCLCL-5
2tCLCL-5
ns
tMCS=0
tMCS>0
Address Hold after ALE Low for
MOVX Write
tLLAX2
0.5tCLCL-5
tCLCL-5
ns
tMCS=0
tMCS>0
RD
Pulse Width
tRLRH
2tCLCL-5
tMCS-10
ns
tMCS=0
tMCS>0
WR
Pulse Width
tWLWH
2tCLCL-5
tMCS-10
ns
tMCS=0
tMCS>0
RD
Low Valid Data In
tRLDV
2tCLCL-20
tMCS-20
ns
tMCS=0
tMCS>0
Data Hold after Read
tRHDX
0ns
Data Float after Read
tRHDZ
tCLCL-5
2tCLCL-5
ns
tMCS=0
tMCS>0
ALE Low to Valid Data In
tLLDV
2.5tCLCL-20
tMCS+tCLCL-40
ns
tMCS=0
tMCS>0
Port 0 Address to Valid Data In
tAVDV1
3tCLCL-20
tMCS+1.5tCLCL-20
ns
tMCS=0
tMCS>0
Port 2 Address to Valid Data In
tAVDV2
3.5tCLCL-20
tMCS+2tCLCL-20
ns
tMCS=0
tMCS>0
ALE Low to RD or WR Low
tLLWL
0.5tCLCL-5
tCLCL-5
0.5tCLCL+5
tCLCL+5
ns
tMCS=0
tMCS>0
Port 0 Address to RD or WR
Low
tAVWL1
tCLCL-5
2tCLCL-5
ns
tMCS=0
tMCS>0
Port 2 Address to RD or WR
Low
tAVWL2
1.5tCLCL-10
2.5tCLCL-10
ns
tMCS=0
tMCS>0
Data Valid to WR Transition
tQVWX
-5
ns
Data Hold after Write
tWHQX
tCLCL-5
2tCLCL-5
ns
tMCS=0
tMCS>0
RD
Low to Address Float
tRLAZ
-0.5tCLCL-5
ns
RD
or WR High to ALE High
tWHLH
0
tCLCL-5
10
tCLCL+5
ns
tMCS=0
tMCS>0
NOTE: tMCS is a time period related to the Stretch memory cycle selection. The following table shows the
value of tMCS for each Stretch selection.
相關(guān)PDF資料
PDF描述
DS87C530-ECL 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQFP52
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
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