DS5000(T)
13 of 19
AC CHARACTERISTICS (cont'd)
EXTERNAL CLOCK DRIVE (t
A
=0°C to 70°C; V
CC
=5V ± 5%)
# PARAMETER SYMBOL MIN MAX UNITS
28 External Clock High Time @ 12 MHz
@ 16 MHz
t
CLKHPW
20
15
ns
ns
29 External Clock Low Time @ 12 MHz
@ 16 MHz
t
CLKLPW
20
15
ns
ns
30 External Clock Rise Time @ 12 MHz
@ 16 MHz
t
CLKR
20
15
ns
ns
31 External Clock Fall Time @ 12 MHz
@ 16 MHz
t
CLKF
20
15
ns
ns
AC CHARACTERISTICS (cont'd)
SERIAL PORT TIMING - MODE 0 (t
A
=0°C to 70°C; V
CC
=5V ± 5%)
# PARAMETER SYMBOL MIN MAX UNITS
35 Serial Port Cycle Time t
SPCLK
12t
CLK
µs
36 Output Data Setup to Rising Clock Edge t
DOCH
10t
CLK
-133 ns
37 Output Data Hold after Rising Clock Edge t
CHDO
2t
CLK
-117 ns
38 Clock Rising Edge to Input Data Valid t
CHDV
10t
CLK
-133 ns
39 Input Data Hold after Rising Clock Edge t
CHDIV
0 ns
SERIAL PORT TIMING - MODE 0
