AT87C52X2-3CSUV Atmel, AT87C52X2-3CSUV Datasheet - Page 42
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AT87C52X2-3CSUV
Manufacturer Part Number
AT87C52X2-3CSUV
Description
Microcontrollers (MCU) Microcontroller
Manufacturer
Atmel
Datasheet
1.AT87C52X2-3CSUV.pdf
(55 pages)
Specifications of AT87C52X2-3CSUV
Data Bus Width
8 bit
Program Memory Type
EPROM
Program Memory Size
8 KB
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
30 MHz
Number Of Programmable I/os
32
Number Of Timers
3 bit
Operating Supply Voltage
5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Package / Case
PDIL-40
Minimum Operating Temperature
0 C
Lead Free Status / Rohs Status
No
42
TS8xCx2X2
Table 27. AC Parameters for Fix Clock
Table 28. AC Parameters for a Variable Clock: derating formula
Symbol
Speed
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
PLPH
T
T
T
LHLL
AVLL
LLAX
LLPL
PLAZ
PLIV
PXIX
PXIZ
AVIV
LLIV
T
PLPH
PLAZ
LHLL
AVLL
LLAX
LLPL
PXIX
AVIV
LLIV
PLIV
PXIZ
Min
25
40
10
10
15
55
0
40 MHz
Type
-M
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Max
70
35
18
85
10
Standard
Clock
Min
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
33
25
35
X2 mode
T - x
T - x
T - x
T - x
4
4
9
0
30 MHz
60 MHz
equiv.
x
x
-V
Max
45
25
12
53
10
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T - x
x
x
Min
standard
25
42
12
12
17
60
mode 40
0
MHz
-V
Max
78
50
20
95
10
-M
10
15
15
30
10
20
40
40
10
0
7
Min
50
35
10
50
X2 mode
5
5
0
20 MHz
40 MHz
equiv.
-L
Max
-V
13
13
22
15
25
30
10
8
8
0
5
65
30
10
80
10
Min
standard
33
52
13
13
18
75
0
30 MHz
mode
-L
-L
15
20
20
35
15
25
45
15
45
10
0
Max
122
98
55
18
10
4184I–8051–02/08
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns