P89V51RD2 Philips Semiconductors, P89V51RD2 Datasheet - Page 64

• Manufacturer Part Number: P89V51RD2
• Description: 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
11. Dynamic characteristics
Table 68:
Over operating conditions: load capacitance for Port 0, ALE, and PSEN = 100 pF; load capacitance for all other
outputs = 80 pF
T
[1]
9397 750 12964
Product data
Symbol
1/T
1/2T
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV
AVIV
PLAZ
RLRH
WLWH
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
WHQX
QVWH
RLAZ
WHLH
amb
CLCL
Calculated values are for X1 mode only.
CLCL
= 0 C to +70 C or 40 C to +85 C; V
AC characteristics
Parameter
X1 Mode oscillator frequency
X2 Mode oscillator frequency
ALE pulse width
address valid to ALE LOW
address hold after ALE LOW
ALE LOW to valid instruction in
ALE LOW to PSEN LOW
PSEN pulse width
PSEN LOW to valid instruction in
input instruction hold after PSEN
input instruction float after PSEN
PSEN to address valid
address to valid instruction in
PSEN LOW to address float
RD pulse width
write pulse width (WR)
RD LOW to valid data in
data hold after RD
data float after RD
ALE LOW to valid data in
address to valid data in
ALE LOW to RD or WR LOW
address to RD or WR LOW
data hold after WR
data valid to WR HIGH
RD LOW to address float
RD to WR HIGH to ALE HIGH
DD
= 4.5 V to 5.5 V @ 40 MHz; V
Rev. 01 — 01 March 2004
40 MHz (X1 mode)
20 MHz (X2 mode)
Min
0
0
35
10
10
-
10
60
-
-
-
17
-
-
120
120
-
0
-
-
-
60
70
5
125
-
10
Max
40
20
-
-
-
55
-
-
25
-
10
-
65
10
-
-
75
-
38
150
150
90
-
-
-
0
40
[1]
SS
8-bit microcontrollers with 80C51 core
= 0 V
Variable
Min
0
0
2T
T
T
-
T
T
-
0
-
T
-
-
6T
6T
-
0
-
-
-
3T
4T
T
7T
-
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
15
15
15
15
8
20
15
15
30
30
15
30
50
P89V51RD2
Max
40
20
-
-
-
4T
-
-
3T
-
T
-
5T
10
-
-
5T
-
2T
8T
9T
3T
-
-
-
0
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
+ 15
+ 15
15
45
50
60
50
12
50
75
Unit
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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