TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 63

• Manufacturer Part Number: TS80C51RA2-VCB
• Description: IC MCU 8BIT 256BYTE 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

10.5.2. External Program Memory Characteristics
Rev. C - 06 March, 2001
Symbol
Symbol
Speed
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
LLAX
LLAX
LHLL
AVLL
PXAV
PLAZ
LHLL
AVLL
PLAZ
LLPL
PLPH
PXIX
AVIV
LLPL
PLPH
PXIX
AVIV
LLIV
PLIV
PXIZ
LLIV
PLIV
PXIZ
T
T
Oscillator clock period
ALE pulse width
Address Valid to ALE
Address Hold After ALE
ALE to Valid Instruction In
ALE to PSEN
PSEN Pulse Width
PSEN to Valid Instruction In
Input Instruction Hold After PSEN
Input Instruction FloatAfter PSEN
PSEN to Address Valid
Address to Valid Instruction In
PSEN Low to Address Float
Min
25
40
10
10
15
55
0
40 MHz
-M
Max
70
35
18
85
10
60 MHz equiv.
Table 37. AC Parameters for Fix Clock
Min
33
25
35
4
4
9
0
X2 mode
30 MHz
-V
Table 36. Symbol Description
Max
45
25
12
53
10
standard mode
Min
25
42
12
12
17
60
0
40 MHz
-V
Max
Parameter
78
50
20
95
10
40 MHz equiv.
Min
50
35
10
50
5
5
0
X2 mode
20 MHz
-L
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Max
65
30
10
80
10
TS80C51RA2/RD2
standard mode
Min
33
52
13
13
18
75
0
30 MHz
-L
Max
122
98
55
18
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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