參數(shù)資料
型號: T89C51IC2-RLTIL
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-bit Microcontroller with Flash and I2C Interface
中文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP44
封裝: 1.40 MM HEIGHT, VQFP-44
文件頁數(shù): 152/170頁
文件大小: 1927K
代理商: T89C51IC2-RLTIL
152
A/T89C51CC01
4129L–CAN–08/05
External Program Memory
Characteristics
Table 123.
Symbol Description
Table 124.
AC Parameters for a Fix Clock (F = 40 MHz)
Symbol
Parameter
T
Oscillator clock period
T
LHLL
ALE pulse width
T
AVLL
Address Valid to ALE
T
LLAX
Address Hold After ALE
T
LLIV
ALE to Valid Instruction In
T
LLPL
ALE to PSEN
T
PLPH
PSEN Pulse Width
T
PLIV
PSEN to Valid Instruction In
T
PXIX
Input Instruction Hold After PSEN
T
PXIZ
Input Instruction Float After PSEN
T
AVIV
Address to Valid Instruction In
T
PLAZ
PSEN Low to Address Float
Symbol
Min
Max
Units
T
25
ns
T
LHLL
40
ns
T
AVLL
10
ns
T
LLAX
10
ns
T
LLIV
70
ns
T
LLPL
15
ns
T
PLPH
55
ns
T
PLIV
35
ns
T
PXIX
0
ns
T
PXIZ
18
ns
T
AVIV
85
ns
T
PLAZ
10
ns
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