参数资料
型号: P80C251SA16
厂商: Intel Corp.
英文描述: HIGH-PERFORMANCE CHMOS MICROCONTROLLER
中文描述: 高性能CHMOS单片机
文件页数: 21/35页
文件大小: 186K
代理商: P80C251SA16
PRELIMINARY
21
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
T
AVDV
1
Address (P0) Valid to Valid Data/Instruction In
@ 12 MHz
@ 16 MHz
243.2
160
4(1+M/2)
T
OSC
– 90
ns
(3)
T
AVDV
2
Address (P2) Valid to Valid Data/Instruction In
@ 12 MHz
@ 16 MHz
268.2
185
4(1+M/2)
T
OSC
– 65
ns
(3)
T
AVDV
3
Address (P0) Valid to Valid Instruction In
@ 12 MHz
@ 16 MHz
116.6
75
2T
OSC
– 50
ns
T
AVRL
(2)
Address Valid to RD#/PSEN# Low
@ 12 MHz
@ 16 MHz
121.6
80
2(1+M)
T
OSC
– 45
ns
(3)
T
AVWL
1
Address (P0) Valid to WR# Low
@ 12 MHz
@ 16 MHz
126.6
85
2(1+M)
T
OSC
– 40
ns
(3)
T
AVWL
2
Address (P2) Valid to WR# Low
@ 12 MHz
@ 16 MHz
146.6
105
2(1+M)
T
OSC
– 20
ns
(3)
T
WHQX
Data Hold after WR# High
@ 12 MHz
@ 16 MHz
63.3
42.5
T
OSC
– 20
ns
T
QVWH
Data Valid to WR# High
@ 12 MHz
@ 16 MHz
138.6
97
2(1+N)
T
OSC
– 28
ns
(4)
T
WHAX
WR# High to Address Hold
@ 12 MHz
@ 16 MHz
156.6
115
2T
OSC
– 10
ns
Table 11. AC Characteristics (Continued)
Symbol
Parameter
@ Max F
osc
(1)
Min
F
osc
Variable
Min
Units
Max
Max
NOTES:
1.
2.
3.
4.
5.
16 MHz.
Specifications for PSEN# are identical to those for RD#.
In the formula, M=Number of wait states (0 or 1) for ALE.
In the formula, N=Number of wait states (0,1,2, or 3) for RD#/PSEN#/WR#.
“Typical” specifications are untested and not guaranteed.
相关PDF资料
PDF描述
P80C251SB16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
P80C251SQ16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
P83C251SA16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
P83C251SB16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
P83C251SP16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
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