DS5000FP_1 Datasheet, PDF (14/22 Pages) Dallas Semiconductor – Soft Microprocessor Chip

AC CHARACTERISTICS (continued)
EXTERNAL CLOCK DRIVE
#
PARAMETER
28 External Clock High Time
@ 12MHz
@ 16MHz
29 External Clock Low Time
@ 12MHz
@ 16MHz
30 External Clock Rise Time
@ 12MHz
@ 16MHz
31 External Clock Fall Time
@ 12MHz
@ 16MHz
DS5000FP
(T_A = 0°C to +70°C; V_CC = 5V ± 5%)
SYMBOL MIN
MAX UNITS
t_CLKHPW
20
ns
15
ns
t_CLKLPW
20
ns
15
ns
t_CLKR
20
ns
15
ns
t_CLKF
20
ns
15
ns
AC CHARACTERISTICS (continued)
SERIAL PORT TIMING–MODE 0
#
PARAMETER
35 Serial Port Cycle Time
36 Output Data Setup to Rising Clock Edge
37 Output Data Hold after Rising Clock Edge
38 Clock Rising Edge to Input Data Valid
39 Input Data Hold after Rising Clock Edge
(T_A = 0°C to +70°C; V_CC = 5V ± 5%)
SYMBOL MIN
MAX UNITS
t_SPCLK
12t_CLK
ms
t_DOCH 10t_CLK -133
ns
t_CHDO
2t_CLK -117
ns
t_CHDV
10t_CLK -133 ns
t_CHDIV
0
ns
SERIAL PORT TIMING–MODE 0
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