TP87C251SA16 데이터 시트보기 (PDF) - Intel
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TP87C251SA16 Datasheet PDF : 36 Pages
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8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Table 11. AC Characteristics (Continued)
Symbol
Parameter
@ Max Fosc (1)
Min Max
Fosc Variable
Min
Max
Units
TAVDV1
Address (P0) Valid to Valid Data/Instruction In
@ 12 MHz
@ 16 MHz
243.2
160
ns
4(1+M/2)
TOSC – 90
(3)
TAVDV2
Address (P2) Valid to Valid Data/Instruction In
@ 12 MHz
@ 16 MHz
268.2
185
ns
4(1+M/2)
TOSC – 65
(3)
TAVDV3
Address (P0) Valid to Valid Instruction In
@ 12 MHz
@ 16 MHz
116.6
75
ns
2TOSC – 50
TAVRL (2) Address Valid to RD#/PSEN# Low
ns
@ 12 MHz
@ 16 MHz
121.6
80
2(1+M)
TOSC – 45
(3)
TAVWL1 Address (P0) Valid to WR# Low
ns
@ 12 MHz
@ 16 MHz
126.6
85
2(1+M)
TOSC – 40
(3)
TAVWL2 Address (P2) Valid to WR# Low
ns
@ 12 MHz
@ 16 MHz
146.6
105
2(1+M)
TOSC – 20
(3)
TWHQX
Data Hold after WR# High
@ 12 MHz
@ 16 MHz
ns
63.3
42.5
TOSC – 20
TQVWH
Data Valid to WR# High
@ 12 MHz
@ 16 MHz
ns
138.6
97
2(1+N)
TOSC – 28
(4)
TWHAX
WR# High to Address Hold
@ 12 MHz
@ 16 MHz
ns
156.6
115
2TOSC – 10
NOTES:
1. 16 MHz.
2. Specifications for PSEN# are identical to those for RD#.
3. In the formula, M=Number of wait states (0 or 1) for ALE.
4. In the formula, N=Number of wait states (0,1,2, or 3) for RD#/PSEN#/WR#.
5. “Typical” specifications are untested and not guaranteed.
PRELIMINARY
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