MC92307 Datasheet, PDF (9/10 Pages) Motorola, Inc – 2K - Samples FFT-Processor

Switching Characteristics
In the following diagram together with the associated ta-
ble the characteristics of the interface for the FFT data
is given. Note that they are valid for temperatures be-
tween 0°C and 80°C and a supply voltage range of
3.0 V - 3.6 V
7
CLK
2
1
FFTSTART
3
4
4
4
4
n _DIN
matio _SYMSYNC
ary ^{Infor DOUT}
I₀
I₀
5
5
Q₀
Q₀
6
6
6
6
6
I₀
I₀
Q₀
Q₀
Figure 7. Timing Characteristic of the FFT Device
limin_{Table 4. Timing Data for the FFT Device}
re _No.
Characteristic
P ₁
FFTSTART to CLK setup time
min
max
unit
1.4
ns
2
FFTSTART to CLK hold time
3.1
ns
3
Data in to CLK setup time
2.3
ns
4
Data in to CLK hold time
3.5
ns
5
CLK to SYMSYNC out delay
4.6
13.1
ns
6
CLK to Data out delay
3.6
11.8
ns
7
CLK period
27.4
ns
MC92307_DS - 8/12/97
MOTOROLA
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