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AT89C51AC3-RDTIM Datasheet(PDF) 127 Page - ATMEL Corporation

Part # AT89C51AC3-RDTIM
Description  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  140 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51AC3-RDTIM Datasheet(HTML) 127 Page - ATMEL Corporation

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AT89C51AC3
4383D–8051–02/08
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
T
RLRH
130
ns
T
WLWH
130
ns
T
RLDV
100
ns
T
RHDX
0
ns
T
RHDZ
30
ns
T
LLDV
160
ns
T
AVDV
165
ns
T
LLWL
50
100
ns
T
AVWL
75
ns
T
QVWX
10
ns
T
QVWH
160
ns
T
WHQX
15
ns
T
RLAZ
0
ns
T
WHLH
10
40
ns



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