AT87C52X2-RLRUM Atmel, AT87C52X2-RLRUM Datasheet - Page 42
![MCU ROMLESS 32X2 3V 44-VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT87C52X2-RLRUM
Manufacturer Part Number
AT87C52X2-RLRUM
Description
MCU ROMLESS 32X2 3V 44-VQFP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.AT80C32X2-RLRUL.pdf
(55 pages)
Specifications of AT87C52X2-RLRUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
Connectivity
UART/USART
Peripherals
POR
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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