NS486SXL NSC [National Semiconductor], NS486SXL Datasheet - Page 22

• Manufacturer Part Number: NS486SXL
• Description: Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems
• Manufacturer: NSC [National Semiconductor]

www.national.com
t
t
t
t
t
t
t
Symbol
Symbol
CTp
CTh
CTl
CTr
CTf
picjljh
picahrl
OSCX1 AC Specification
Note 16: Except for the cycle in which the core frequency is changed. In this cycle, t
PIC AC Specs
CTTL Clock Period
CTTL High Time (Note 16)
CTTL Low Time (Note 16)
CTTL Rise Time
CTTL Fall Time
Parameter
Parameter
FIGURE 11. TTL Clock Input Timing Diagram
TABLE 22. TTL Clock Input Specification
TABLE 23. PIC Timing Specifications
FIGURE 12. PIC Timing Diagram
22
CTh
and t
CTl
relate to different t
(0.5 x t
(0.5 x t
Min
Min
100
40
DS100121-16
0
CTp
CTp
CTp
) - 4
) - 4
cycles.
Max
Typ
870
4
4
DS100121-17
Units
Max
ns
ns
ns
ns
ns