DS87C520-QNL Datasheet, PDF (34/43 Pages) Maxim Integrated Products – EPROM/ROM High-Speed Microcontrollers

DS87C520/DS83C520 EPROM/ROM High-Speed Microcontrollers
MOVX CHARACTERISTICS (continued)
M2
M1
M0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
MOVX CYCLES
2 machine cycles
3 machine cycles (default)
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
EXTERNAL CLOCK CHARACTERISTICS
PARAMETER
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
SYMBOL
t_CHCX
t_CLCX
t_CLCL
t_CHCL
MIN
10
10
t_MCS
0
4 t_CLCL
8 t_CLCL
12 t_CLCL
16 t_CLCL
20 t_CLCL
24 t_CLCL
28 t_CLCL
TYP
MAX
5
5
UNITS
ns
ns
ns
ns
SERIAL PORT MODE 0 TIMING CHARACTERISTICS
PARAMETER
Serial Port Clock Cycle
Time
SYMBOL
CONDITIONS
t_XLXL
SM2 = 0, 12 clocks per cycle
SM2 = 1, 4 clocks per cycle
MIN TYP MAX UNITS
12t_CLCL
ns
4t_CLCL
Output Data Setup to
Clock Rising
t_QVXH
SM2 = 0, 12 clocks per cycle
SM2 = 1, 4 clocks per cycle
10t_CLCL
3t_CLCL
ns
Output Data Hold from
Clock Rising
t_XHQX
SM2 = 0, 12 clocks per cycle
SM2 = 1, 4 clocks per cycle
2t_CLCL
t_CLCL
ns
Input Data Hold after
Clock Rising
t_XHDX
SM2 = 0, 12 clocks per cycle
SM2 = 1, 4 clocks per cycle
t_CLCL
t_CLCL
ns
Clock Rising Edge to
Input Data Valid
t_XHDV
SM2 = 0, 12 clocks per cycle
SM2 = 1, 4 clocks per cycle
11t_CLCL
3t_CLCL
ns
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