AT89C51CC03C-RLTIM View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
AT89C51CC03C-RLTIM Datasheet PDF : 197 Pages
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External Data Memory
Characteristics
AT89C51CC03
Table 121. Symbol Description
Symbol
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TAVWL
TQVWX
TQVWH
TWHQX
TRLAZ
TWHLH
Parameter
RD Pulse Width
WR Pulse Width
RD to Valid Data In
Data Hold After RD
Data Float After RD
ALE to Valid Data In
Address to Valid Data In
ALE to WR or RD
Address to WR or RD
Data Valid to WR Transition
Data set-up to WR High
Data Hold After WR
RD Low to Address Float
RD or WR High to ALE high
Table 122. AC Parameters for a Fix Clock (F=40MHz)
Symbol
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TAVWL
TQVWX
TQVWH
TWHQX
TRLAZ
TWHLH
Min
Max
130
130
100
0
30
160
165
50
100
75
10
160
15
0
10
40
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4182K–CAN–05/06
175
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