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AT89C51AC3-RDTUM 데이터시트(PDF) 130 Page - ATMEL Corporation

부품명 AT89C51AC3-RDTUM
상세설명  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  143 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51AC3-RDTUM 데이터시트(HTML) 130 Page - ATMEL Corporation

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AT89C51AC3
4383B–8051–01/05
Table 80. AC Parameters for a Fix Clock (F = 40 MHz)
Table 81. AC Parameters for a Variable Clock
Shift Register Timing
Waveforms
External Clock Drive
Characteristics (XTAL1)
Table 82. AC Parameters
Symbol
Min
Max
Units
TXLXL
300
ns
TQVHX
200
ns
TXHQX
30
ns
TXHDX
0ns
TXHDV
117
ns
Symbol
Type
Standard
Clock
X2 Clock
X parameter
for -M range
Units
TXLXL
Min
12 T
6 T
ns
TQVHX
Min
10 T - x
5 T - x
50
ns
TXHQX
Min
2 T - x
T - x
20
ns
TXHDX
Min
x
x
0
ns
TXHDV
Max
10 T - x
5 T- x
133
ns
VALID
VALID
VALID
VALID
VALID
VALID
INPUT DATA
VALID
01
234
5
6
8
7
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
CLEAR RI
TXLXL
TQVXH
TXHQX
TXHDV
TXHDX
SET TI
SET RI
INSTRUCTION
0
1
2
345
67
VALID
Symbol
Parameter
Min
Max
Units
TCLCL
Oscillator Period
25
ns
TCHCX
High Time
5
ns
TCLCX
Low Time
5
ns
TCLCH
Rise Time
5
ns
TCHCL
Fall Time
5
ns
TCHCX/TCLCX Cyclic ratio in X2 mode
40
60
%



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