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AT89C51AC3-RDTIM 数据表(PDF) 124 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTIM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  141 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C51AC3-RDTIM 数据表(HTML) 124 Page - ATMEL Corporation

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AT89C51AC3
4383A–8051–10/04
External Program Memory
Characteristics
Table 73. Symbol Description
Table 74. AC Parameters for a Fix Clock (F = 40 MHz)
Symbol
Parameter
T
Oscillator clock period
T
LHLL
ALE pulse width
T
AVLL
Address Valid to ALE
T
LLAX
Address Hold After ALE
T
LLIV
ALE to Valid Instruction In
T
LLPL
ALE to PSEN
T
PLPH
PSEN Pulse Width
T
PLIV
PSEN to Valid Instruction In
T
PXIX
Input Instruction Hold After PSEN
T
PXIZ
Input Instruction Float After PSEN
T
AVIV
Address to Valid Instruction In
T
PLAZ
PSEN Low to Address Float
Symbol
Min
Max
Units
T25
ns
TLHLL
40
ns
TAVLL
10
ns
TLLAX
10
ns
TLLIV
70
ns
TLLPL
15
ns
TPLPH
55
ns
TPLIV
35
ns
TPXIX
0ns
TPXIZ
18
ns
TAVIV
85
ns
TPLAZ
10
ns



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