參數(shù)資料
型號： TSC87C51-25MJMQ
英文描述： CMOS 0 to 25 MHz Programmable 8?bit Microcontroller
中文描述： 的CMOS 0到25 MHz的可編程8？位微控制器
文件頁數(shù)： 16/22頁
文件大?。?/td> 253K
代理商： TSC87C51-25MJMQ
16
Rev. E
–
July 03, 2000
depending on their positions, stand for the name of a signal or the logical status of that signal. The following is a list
Each timing symbol has 5 characters. The first character is always a “T” (stands for time). The other characters,
Example:
TAVLL = Time for Address Valid to ALE Low.
TLLPL = Time for ALE Low to PSEN Low.
T
A
= –55
°
C to +125
°
C; VSS = 0V; VCC = 5V
±
10%; F = 0 to 12MHz.
(Load Capacitance for PORT 0, ALE and PSEN = 100pf; Load Capacitance for all other outputs = 80 pF.)
External Program Memory Characteristics
0 to 12 MHz
25 MHz
Symbol
Parameter
Min
Max
Min
Max
Units
TLHLL
ALE pulse width
2TCLCL – 40
70
ns
TAVLL
Address Valid to ALE
TCLCL – 40
20
ns
TLLAX
Address Hold After ALE
TCLCL – 30
28
ns
TLLIV
ALE to Valid Instruction In
4TCLCL – 100
120
ns
TLLPL
ALE to PSEN
TCLCL – 30
30
ns
TPLPH
PSEN Pulse Width
3TCLCL – 45
100
ns
TPLIV
PSEN to Valid Instruction In
3TCLCL – 105
80
ns
TPXIX
Input Instruction Hold After
PSEN
0
0
ns
TPXIZ
Input Instruction FloatAfter
PSEN
TCLCL – 25
35
ns
TPXAV
PSEN to Address Valid
TCLCL – 8
40
ns
TAVIV
Address to Valid Instruction
In
5TCLCL – 105
140
ns
TPXAV
PSEN Low to Address Float
10
10
ns
External Program Memory Read Cycle
TPLIV
TPLAZ
ALE
PSEN
PORT 0
PORT 2
A0–A7
A0–A7
INSTR IN
INSTR IN
INSTR IN
ADDRESS
OR SFR–P2
ADDRESS A8–A15
ADDRESS A8–A15
12 TCLCL
TAVIV
TLHLL
TAVLL
TLLIV
TLLPL
TPLPH
TPXAV
TPXIX
TPXIZ
TLLAX
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