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AT89C51AC3-RDTUM 数据表(PDF) 125 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTUM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  143 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-RDTUM 数据表(HTML) 125 Page - ATMEL Corporation

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AT89C51AC3
4383B–8051–01/05
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
TLHLL
ALE pulse width
TAVLL
Address Valid to ALE
TLLAX
Address Hold After ALE
TLLIV
ALE to Valid Instruction In
TLLPL
ALE to PSEN
TPLPH
PSEN Pulse Width
TPLIV
PSEN to Valid Instruction In
TPXIX
Input Instruction Hold After PSEN
TPXIZ
Input Instruction Float After PSEN
TAVIV
Address to Valid Instruction In
TPLAZ
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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