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AT80C31X2-SLRUM

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42
34
4428E–8051–02/08
AT/TS80C31X2
Table 14-9. AC Parameters for a Fix Clock
Speed -M
40 MHz
-V
X2 mode
30 MHz
60 MHz equiv.
-V
standard mode 40
MHz
-L
X2 mode
20 MHz
40 MHz equiv.
-L
standard mode
30 MHz Units
Symbol Min Max Min Max Min Max Min Max Min Max
T
RLRH
130 85 135 125 175 ns
T
WLWH
130 85 135 125 175 ns
T
RLDV
100 60 102 95 137 ns
T
RHDX
0 0 0 0 0 ns
T
RHDZ
30 18 35 25 42 ns
T
LLDV
160 98 165 155 222 ns
T
AVDV
165 100 175 160 235 ns
T
LLWL
50 100 30 70 55 95 45 105 70 130 ns
T
AVWL
75 47 80 70 103 ns
T
QVWX
10 7 15 5 13 ns
T
QVWH
160 107 165 155 213 ns
T
WHQX
15 9 17 10 18 ns
T
RLAZ
0 0 0 0 0 ns
T
WHLH
10 40 7 27 15 35 5 45 13 53 ns
35
4428E–8051–02/08
AT/TS80C31X2
Table 14-10. AC Parameters for a Variable Clock: derating formula
14.5.3 External Data Memory Write Cycle
Figure 14-7. External Data Memory Write Cycle
Symbol Type
Standard
Clock X2 Clock -M -V -L Units
T
RLRH
Min 6 T - x 3 T - x 20 15 25 ns
T
WLWH
Min 6 T - x 3 T - x 20 15 25 ns
T
RLDV
Max 5 T - x 2.5 T - x 25 23 30 ns
T
RHDX
Min x x 0 0 0 ns
T
RHDZ
Max 2 T - x T - x 20 15 25 ns
T
LLDV
Max 8 T - x 4T -x 40 35 45 ns
T
AVDV
Max 9 T - x 4.5 T - x 60 50 65 ns
T
LLWL
Min 3 T - x 1.5 T - x 25 20 30 ns
T
LLWL
Max 3 T + x 1.5 T + x 25 20 30 ns
T
AVWL
Min 4 T - x 2 T - x 25 20 30 ns
T
QVWX
Min T - x 0.5 T - x 15 10 20 ns
T
QVWH
Min 7 T - x 3.5 T - x 15 10 20 ns
T
WHQX
Min T - x 0.5 T - x 10 8 15 ns
T
RLAZ
Max x x 0 0 0 ns
T
WHLH
Min T - x 0.5 T - x 15 10 20 ns
T
WHLH
Max T + x 0.5 T + x 15 10 20 ns
36
4428E–8051–02/08
AT/TS80C31X2
14.5.4 External Data Memory Read Cycle
Figure 14-8. External Data Memory Read Cycle
Table 14-11. Serial Port Timing - Shift Register Mode
Table 14-12. AC Parameters for a Fix Clock
Symbol Parameter
T
XLXL
Serial port clock cycle time
T
QVHX
Output data set-up to clock rising edge
T
XHQX
Output data hold after clock rising edge
T
XHDX
Input data hold after clock rising edge
T
XHDV
Clock rising edge to input data valid
Speed
-M
40 MHz
-V
X2 mode
30 MHz
60 MHz equiv.
-V
standard mode 40
MHz
-L
X2 mode
20 MHz
40 MHz equiv.
-L
standard mode
30 MHz Units
Symbol Min Max Min Max Min Max Min Max Min Max
T
XLXL
300 200 300 300 400 ns
T
QVHX
200 117 200 200 283 ns
T
XHQX
30 13 30 30 47 ns
T
XHDX
0 0 0 0 0 ns
T
XHDV
117 34 117 117 200 ns
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42

AT80C31X2-SLRUM

Mfr. #:
Buy AT80C31X2-SLRUM
Manufacturer:
Microchip Technology / Atmel
Description:
8-bit Microcontrollers - MCU ROMLESS 31X2 40MHZ 5V COM
Lifecycle:
New from this manufacturer.
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