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AT89C51AC3-RDTIM 数据表(PDF) 126 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) 126 Page - ATMEL Corporation

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AT89C51AC3
4383A–8051–10/04
External Data Memory
Characteristics
Table 76. Symbol Description
Table 77. AC Parameters for a Variable Clock (F=40MHz)
Symbol
Parameter
T
RLRH
RD Pulse Width
T
WLWH
WR Pulse Width
T
RLDV
RD to Valid Data In
T
RHDX
Data Hold After RD
T
RHDZ
Data Float After RD
T
LLDV
ALE to Valid Data In
T
AVDV
Address to Valid Data In
T
LLWL
ALE to WR or RD
T
AVWL
Address to WR or RD
T
QVWX
Data Valid to WR Transition
T
QVWH
Data set-up to WR High
T
WHQX
Data Hold After WR
T
RLAZ
RD Low to Address Float
T
WHLH
RD or WR High to ALE high
Symbol
Min
Max
Units
TRLRH
130
ns
TWLWH
130
ns
TRLDV
100
ns
TRHDX
0ns
TRHDZ
30
ns
TLLDV
160
ns
TAVDV
165
ns
TLLWL
50
100
ns
TAVWL
75
ns
TQVWX
10
ns
TQVWH
160
ns
TWHQX
15
ns
TRLAZ
0ns
TWHLH
10
40
ns



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