參數(shù)資料
型號(hào): 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(yè)數(shù): 15/23頁(yè)
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
TQVWX
Data Valid to
WR Transition
8XC5X
8XC5X-24/33
33
TCLCL
b
50
TCLCL
b
30
ns
ns
12
0
TWHQX
Data Hold After
WR
8XC5X
8XC5X-24
8XC5X-33
33
TCLCL
b
50
TCLCL
b
35
TCLCL
b
27
ns
ns
ns
7
3
TQVWH
Data Valid to
WR High
8XC5X
8XC5X-24/33
433
7 TCLCL
b
150
7 TCLCL
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
8XC5X
8XC5X-24
8XC5X-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
15
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