T89C51RD2-3CBC-L ATMEL [ATMEL Corporation], T89C51RD2-3CBC-L Datasheet - Page 76

• Manufacturer Part Number: T89C51RD2-3CBC-L
• Description: 0 to 40MHz Flash Programmable 8-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

9.5.2. External Program Memory Characteristics
Rev. F - 15 February, 2001
Symbol
T
T
T
T
T
T
T
T
T
T
T
LLAX
LHLL
AVLL
PLAZ
LLPL
PLPH
PXIX
AVIV
LLIV
PLIV
PXIZ
T
Symbol
T
T
T
T
T
T
T
T
T
T
T
LLAX
LHLL
AVLL
AVIV
PLAZ
LLIV
LLPL
PLPH
PXIX
PLIV
PXIZ
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
Address to Valid Instruction In
PSEN Low to Address Float
Min
25
40
10
10
15
55
0
Table 39. AC Parameters for a Fix Clock
Table 38. Symbol Description
-M
Max
70
35
18
85
10
Parameter
Min
25
40
10
10
15
55
0
-L
Max
70
35
18
85
10
T89C51RD2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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