p89c669 NXP Semiconductors, p89c669 Datasheet - Page 18

• Manufacturer Part Number: p89c669
• Description: P89c669 80c51 8-bit Microcontroller Family With Extended Memory; 96 Kb Flash With 2 Kb Ram
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9. Static characteristics
Table 8:
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
9397 750 12299
Product data
Symbol Parameter
V
V
V
V
V
V
V
I
I
I
I
R
C
IL
TL
L1
CC
amb
IL
IH
IH1
OL
OL1
OH
OH1
RST
10
Typical ratings are not guaranteed. The values listed are at room temperature (+25 ˚C), 5 V, unless otherwise stated.
Capacitive loading on ports 0 and 2 may cause spurious noise to be superimposed on the V
due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins make 1-to-0 transitions during bus
operations. In the worst cases (capacitive loading >100 pF), the noise pulse on the ALE pin may exceed 0.8 V. In such cases, it may be
desirable to qualify ALE with a Schmitt Trigger, or use an address latch with a Schmitt Trigger STROBE input. I
conditions provided that no single output sinks more than 5 mA and no more than two outputs exceed the test conditions.
Capacitive loading on ports 0 and 2 may cause the V
the address bits are stabilizing.
Pins of ports 1, 2, 3 and 4 source a transition current when they are being externally driven from ‘1’ to ‘0’. The transition current reaches
its maximum value when V
See
This value applies to T
Load capacitance for port 0, ALE, and PSEN = 100 pF, load capacitance for all other outputs = 80 pF.
Under steady state (non-transient) conditions, I
a) Maximum I
b) Maximum I
= 0 C to 70 C for commercial, unless otherwise specified; V
Figure 10
LOW-level input voltage
HIGH-level input voltage
(ports 0, 1, 2, 3, 4, EA)
HIGH-level input voltage,
XTAL1, RST
LOW-level output voltage,
ports 1, 2, 3, 4
LOW-level output voltage,
port 0, ALE, PSEN
HIGH-level output voltage,
ports 1, 2, 3, 4
HIGH-level output voltage
(port 0 in external bus
mode), ALE
Logical 0 input current,
ports 1, 2, 3, 4
Logical 1-to-0 transition
current, ports 1, 2, 3, 4
Input leakage current, port 0 0.45 < V
Power supply current
Active mode
Idle mode
Power-down mode or clock
stopped (see
conditions)
Internal reset pull-down
resistor
Pin capacitance
(except EA)
DC electrical characteristics
OL
OL
through
per port pin: 15 mA
per 8-bit port: 26 mA
[5]
[9]
[5]
, PSEN
Figure 13
amb
[8]
Figure 13
[10]
= 0 C to +70 C.
IN
[7][8]
is approximately 2 V for 4.5 V < V
[3]
[8]
for I
for
CC
test conditions. f
Conditions
V
V
V
V
I
V
4.5 V < V
V
V
OH
DD
DD
DD
DD
IN
IN
DD
= 3.2 mA
= 0.4 V
= 2.0 V
= 4.5 V; I
= 4.5 V; I
= 4.5 V; I
= 4.5 V;
= 5.5 V
OL
Rev. 02 — 13 November 2003
must be externally limited as follows:
IN
DD
OH
< V
< 5.5 V;
on ALE and PSEN to momentarily fall below the V
OL
OL
OH
osc
DD
80C51 8-bit microcontroller family with extended memory
= 1.6 mA
= 3.2 mA
is the oscillator frequency in MHz.
= 30 A
0.3
DD
< 5.5 V.
DD
[4]
[5]
= 4.5 V to 5.5 V unless otherwise specified.
Min
0.2V
0.7V
-
-
V
V
-
-
-
-
-
-
40
-
0.5
1
DD
DD
DD
DD
0.7
0.7
+ 0.9 -
OL
Typ
-
-
-
-
-
-
-
-
-
-
-
-
20
-
-
of ALE and ports 1, 3 and 4. The noise is
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
Max
0.2V
V
V
0.4
0.4
-
-
-
7 + 2.7
4 + 1.3
100
225
15
75
650
10
DD
DD
DD
+ 0.5
+ 0.5
DD
0.7 V specification when
OL
P89C669
0.1
f
f
can exceed these
osc
osc
[MHz]
[MHz]
18 of 33
Unit
V
V
V
V
V
V
V
mA
mA
k
pF
A
A
A
A