DS5000FP Datasheet, PDF (14/22 Pages) Dallas Semiconductor – Soft Microprocessor Chip

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