LSI53C825AJ LSI, LSI53C825AJ Datasheet - Page 239
LSI53C825AJ
Manufacturer Part Number
LSI53C825AJ
Description
Manufacturer
LSI
Datasheet
1.LSI53C825AJ.pdf
(306 pages)
Specifications of LSI53C825AJ
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6.3 AC Characteristics
Table 6.16
1. This parameter must be met to ensure SCSI timings are within specification.
2. Duty cycle not to exceed 60/40.
Symbol
t
t
t
t
1
2
3
4
Parameter
Bus clock cycle time
SCSI clock cycle time (SCLK)
CLK LOW time
SCLK LOW time
CLK HIGH time
SCLK HIGH time
CLK slew rate
SCLK slew rate
External Clock
The AC characteristics described in this section apply over the entire
range of operating conditions (refer to the
Characteristics”). Chip timings are based on simulation at worst case
voltage, temperature, and processing. Timing was developed with a load
capacitance of 50 pF.
timing data.
Figure 6.6
CLK, SCLK
AC Characteristics
2
2
2
2
External Clock
1
t
3
t
Table 6.16
4
t
1
t
2
and
Figure 6.6
12.5
Min
30
12
12
Section 6.1, “DC
5
5
1
1
provide External Clock
Max
DC
60
–
–
–
–
–
–
V/ns
V/ns
Unit
ns
ns
ns
ns
ns
ns
6-11
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