參數(shù)資料
型號: LD87C52
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
中文描述: 8-BIT, UVPROM, 12 MHz, MICROCONTROLLER, CDIP40
封裝: CERDIP-40
文件頁數(shù): 14/23頁
文件大?。?/td> 319K
代理商: LD87C52
8XC52/54/58
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
TRLDV
RD Low to Valid
Data In
8XC5X
8XC5X-24
8XC5X-33
252
5 TCLCL
b
165
5 TCLCL
b
95
5 TCLCL
b
90
ns
ns
ns
113
61
TRHDX
Data Hold After
RD
0
0
0
0
ns
TRHDZ
Data Float After
RD
8XC5X/-24
8XC5X-33
107
23
2 TCLCL
b
60
2 TCLCL
b
25
ns
ns
35
TLLDV
ALE Low to
Valid Data In
8XC5X
8XC5X-24/33
517
8 TCLCL
b
150
8 TCLCL
b
90
ns
ns
243
150
TAVDV
Address to
Valid Data In
8XC5X
8XC5X-24/33
585
9 TCLCL
b
165
9 TCLCL
b
90
ns
ns
285
180
TLLWL
ALE Low to RD
or WR Low
200
300
75
175
41
140
3 TCLCL
b
50
3 TCLCL
a
50
ns
TAVWL
Address to RD
or WR Low
8XC5X
8XC5X-24
8XC5X-33
203
4 TCLCL
b
130
4 TCLCL
b
90
4 TCLCL
b
75
ns
ns
ns
77
46
14
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