
DS5000(T)
13 of 19
AC CHARACTERISTICS (cont'd)
EXTERNAL CLOCK DRIVE
(tA=0°C to 70°C; VCC=5V ± 5%)
#
PARAMETER
SYMBOL
MIN
MAX
UNITS
28 External Clock High Time
@ 12 MHz
@ 16 MHz
tCLKHPW
20
15
ns
29 External Clock Low Time
@ 12 MHz
@ 16 MHz
tCLKLPW
20
15
ns
30 External Clock Rise Time
@ 12 MHz
@ 16 MHz
tCLKR
20
15
ns
31 External Clock Fall Time
@ 12 MHz
@ 16 MHz
tCLKF
20
15
ns
AC CHARACTERISTICS (cont'd)
SERIAL PORT TIMING - MODE 0
(tA=0°C to 70°C; VCC=5V ± 5%)
#
PARAMETER
SYMBOL
MIN
MAX
UNITS
35 Serial Port Cycle Time
tSPCLK
12tCLK
s
36 Output Data Setup to Rising Clock Edge
tDOCH
10tCLK -133
ns
37 Output Data Hold after Rising Clock Edge
tCHDO
2tCLK -117
ns
38 Clock Rising Edge to Input Data Valid
tCHDV
10tCLK -133
ns
39 Input Data Hold after Rising Clock Edge
tCHDIV
0
ns
SERIAL PORT TIMING - MODE 0