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參數(shù)資料
| 型號： | BN87C51FA12 |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 254K |
| 代理商： | BN87C51FA12 |
AUTOMOTIVE 87C51FAFBFCFC-20
AC CHARACTERISTICS (TA eb40 Cto a125 C VCC e 5V g 20% VSS e 0V Load Capaci-
tance for Port 0 ALEPROG and PSEN e 100 pF Load Capacitance for All Other Outputs e 80 pF)
(Continued)
ADVANCED INFORMATIONCONTACT INTEL FOR DESIGN-IN INFORMATION
EXTERNAL PROGRAM MEMORY CHARACTERISTICS (Continued)
Symbol
Parameter
12 MHz
Variable Oscillator
Units
Oscillator
Min
Max
87C51FAFBFC 87C51FC-20
Min
Max
TRLDV
RD Low to Valid Data In
252
5TCLCL b 165
ns
5TCLCL b 95
TRHDX
Data Hold After RD High
0
ns
TRHDZ
Data Float After RD High
107
2TCLCL b 60
ns
TLLDV
ALE Low to Valid Data In
517
8TCLCL b 150
ns
8TCLCL b 90
TAVDV
Address Valid to Valid Data In
585
9TCLCL b 165
ns
9TCLCL b 90
TLLWL
ALE Low to RD or WR Low
200
300
3TCLCL b 50
3TCLCL a 50
ns
TAVWL
Address Valid to WR Low
203
4TCLCL b 130
ns
4TCLCL b90
TQVWX
Data Valid before WR Low
33
TCLCL b 50
ns
TCLCL b 35
TWHQX
Data Hold after WR High
33
TCLCL b 50
ns
TCLCL b 40
TQVWH
Data Valid to WR High
433
7TCLCL b 150
ns
7TCLCL b 70
TRLAZ
RD Low to Address Float
0
ns
TWHLH
RD or WR High to ALE High
43
123
TCLCL b 40
TCLCL a 40
ns
NOTE
Timings specified for the 87C51FC-20 are valid at 20 MHz only For timing information below 20 MHz use the 87C51FA
FBFC timings
11
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