參數(shù)資料
型號: D87C51FB
英文描述: IC-8-BIT CMOS CPU
中文描述: 集成電路8位CMOS處理器
文件頁數(shù): 12/20頁
文件大?。?/td> 259K
代理商: D87C51FB
8XC51FX
EXTERNAL MEMORY CHARACTERISTICS
(Continued)
All parameter values apply to all devices unless otherwise indicated
Symbol
Parameter
Oscillator
Units
12 MHz
24 MHz
33 MHz
Variable
Min Max Min Max Min Max
Min
Max
TPXIZ
Input Instr Float After PSEN
8XC51FX
8XC51FX-24
8XC51FX-33
59
TCLCL-25
TCLCL-20
TCLCL-25
ns
ns
ns
21
5
TAVIV
Address to Valid Instr In
8XC51FX/-24
8XC51FX-33
312
103
5TCLCL
b
105
5TCLCL
b
80
ns
ns
71
TPLAZ
PSEN Low to Address Float
10
10
10
10
ns
TRLRH RD Pulse Width
400
150
82
6TCLCL
b
100
6TCLCL
b
100
ns
TWLWH WR Pulse Width
400
150
82
ns
TRLDV
RD Low to Valid Data In
8XC51FX
8XC51FX-24
8XC51FX-33
252
5TCLCL
b
165
5TCLCL
b
95
5TCLCL
b
90
ns
ns
ns
113
61
TRHDX Data Hold After RD
0
0
0
0
ns
TRHDZ Data Float After RD
8XC51FX/24
8XC51FX-33
107
23
2TCLCL
b
60
2TCLCL
b
25
ns
ns
35
TLLDV
ALE Low to Valid Data In
8XC51FX
8XC51FX-24/33
517
8TCLCL
b
150
8TCLCL
b
90
ns
ns
243
150
TAVDV Address to Valid Data In
8XC51FX
8XC51FX-24/33
585
9TCLCL
b
165
9TCLCL
b
90
3TCLCL
a
50
ns
ns
285
180
TLLWL
ALE Low to RD or WR Low
200
300
75
175
41
140
3TCLCL
b
50
ns
TAVWL Address to RD or WR Low
8XC51FX
8XC51FX-24
8XC51FX-33
203
4TCLCL
b
130
4TCLCL
b
90
4TCLCL
b
75
ns
ns
ns
77
46
TQVWX Data Valid to WR Transition
8XC51FX
8XC51FX-24/33
33
TCLCL
b
50
TCLCL
b
30
ns
ns
12
0
TWHQX Data Hold After WR
8XC51FX
8XC51FX-24
8XC51FX-33
33
TCLCL
b
50
TCLCL
b
35
TCLCL
b
27
ns
ns
ns
7
3
TQVWH Data Valid to WR High
8XC51FX
8XC51FX-24/33
433
7TCLCL
b
150
7TCLCL
b
70
ns
ns
222
142
TRLAZ
RD Low to Address Float
0
0
0
0
ns
TWHLH RD or WR High to ALE High
8XC51FX
8XC51FX-24
8XC51FX-33
43
123
TCLCL
b
40
TCLCL
b
30
TCLCL
b
25
TCLCL
a
40
TCLCL
a
30
TCLCL
a
25
ns
ns
ns
12
71
5
55
12
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
D87C51FB-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
D87C51FB-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
D87C51FB-24 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
D87C51FB-3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
D87C51FB-33 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller