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Jameco Electronics 3000 User Manual

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Rabbit 3000 Microprocessor
The following memory read time delays were measured.
The measurements were taken at the 50% points under the following conditions.
•
T = -40°C to 85°C, V = 3.3 V
•
Internal clock to nonloaded CLK pin delay 
≤ 1 ns @ 85°C/3.0 V
The following memory write time delays were measured.
The measurements were taken at the 50% points under the same conditions that the mem-
ory read delays were measured.
See Table 16-2  for delays at other voltages.
Table 16-3.  Memory Read Time Delays
Time Delay
Output Capacitance
30 pF
60 pF
90 pF
Max. clock to address delay (T
adr
)
6 ns
8 ns
11 ns
Max. clock to memory chip select delay (T
CSx
)
6 ns
8 ns
11 ns
Max. clock to memory read strobe delay (T
OEx
)
6 ns
8 ns
11 ns
Min. data setup time (T
setup
)
1 ns
Min. data hold time (T
hold
)
0 ns
Table 16-4.  Memory Write Time Delays
Time Delay
Output Capacitance
30 pF
60 pF
90 pF
Max. clock to address delay (T
adr
)
6 ns
8 ns
11 ns
Max. clock to memory chip select delay (T
CSx
)
6 ns
8 ns
11 ns
Max. clock to memory write strobe delay (T
WEx
)
6 ns
8 ns
11 ns
Max. high Z to data valid rel. to clock (T
DHZV
)
10 ns
12 ns
15 ns
Max. data valid to high Z rel. to clock (T
DVHZ
) 
10 ns
12 ns
15 ns