p87c453ebaa NXP Semiconductors, p87c453ebaa Datasheet - Page 14

• Manufacturer Part Number: p87c453ebaa
• Description: 80c51 8-bit Microcontroller Family 8k/256 Otp/rom, Expanded I/o
• Manufacturer: NXP Semiconductors

1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
2. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effects of excessive static
3. Parameters are valid over operating temperature range unless otherwise specified. Voltages are with respect to V
1. Typical ratings are based on a limited number of samples from early manufacturing lots, and not guaranteed. Values are room temp., 5V.
2. Capacitive loading on ports 0 and 2 may cause spurious noise to be superimposed on the V
3. Capacitive loading on ports 0 and 2 may cause the V
4. Pins of ports 1, 2, 3, 4, 5 and 6 source a transition current when they are being externally driven from 1 to 0. The transition current reaches
5. I
6. See Figures 21 through 24 for I
7. C
Philips Semiconductors
ABSOLUTE MAXIMUM RATINGS
NOTES:
DC ELECTRICAL CHARACTERISTICS
T
NOTES:
1998 Apr 23
Operating temperature under bias
Storage temperature range
Voltage on any other pin to V
Power dissipation (based on package heat transfer limitations, not device power consumption)
amb
SYMBOL
V
V
V
V
V
V
V
V
I
I
I
I
R
C
IL
TL
LI
CC
IL
IL1
IH
IH1
OL
OL1
OH
OH1
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
RST
IO
functional operation of the device at these or any conditions other than those described in the AC and DC Electrical Characteristics section
of this specification is not implied.
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maxima.
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 > 100pF), the noise pulse on the ALE pin may exceed 0.8V. 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..
address bits are stabilizing.
its maximum value when V
where FREQ is the external oscillator frequency in MHz. I
CC
IO
= 0 C to +70 C, V
MAX at other frequencies is given by:
Active mode: I
Idle mode: I
applies to ports 1 through 6, IDS, ODS, AFLAG, BFLAG, XTAL1, XTAL2.
Input low voltage; ports 0, 1, 2, 3, 4, 5, 6, IDS, ODS,
AFLAG, BFLAG; except EA
Input low voltage to EA
Input high voltage; except XTAL1, RST
Input high voltage; XTAL1, RST
Output low voltage; ports 1, 2, 3, 4, 5, 6, AFLAG,
BFLAG
Output low voltage; port 0, ALE, PSEN
Output high voltage; ports 1, 2, 3, 4, 5, 6, AFLAG,
BFLAG
Output high voltage (port 0 in external bus mode, ALE,
PSEN)
Logical 0 input current,; ports 1, 2, 3, 4, 5, 6
Logical 1-to-0 transition current; ports 1, 2, 3, 4, 5, 6
Input leakage current; port 0
Power supply current:
Internal reset pull-down resistor
Pin capacitance
Active mode @ 16MHz
Idle mode @ 16MHz
Power down mode
CC
3
CC
MAX = 0.14 X FREQ +2.31
CC
MAX = 0.94 X FREQ + 13.71
= 5V 10%, V
7
SS
IN
– PLCC package
is approximately 2V.
PARAMETER
CC
5
test conditions.
5
SS
1, 2, 3
= 0V
PARAMETER
OH
on ALE and PSEN to momentarily fall below the 0.9V
CC
MAX is given in mA. See Figure 20.
14
V
CONDITIONS
I
I
I
I
I
OH
I
I
OH
I
IN
OL
OL
OH
V
OH
OH
OH
See note 4
See note 6
IN
= V
= –800 A,
TEST
= 1.6mA
= 3.2mA
= –300 A
= –60 A,
= –25 A
= –10 A
= –80 A
= 0.45V
IL
or V
2
2
IH
0.2V
0.75V
0.75V
0.7V
0.9V
0.9V
MIN
–0.5
OL
2.4
2.4
CC
50
0
s of ALE and the other ports. The noise is due
CC
CC
CC
+0.9
CC
CC
LIMITS
TYP
11.5
1.3
–65 to +150
–0.5 to +6.5
3
RATING
83C453/87C453
0 to +70
CC
1
1.5
specification when the
SS
unless otherwise noted.
Preliminary specification
0.2V
0.2V
V
V
CC
CC
MAX
–650
0.45
0.45
–50
300
CC
CC
25
50
10
10
4
+0.5
+0.5
–0.1
–0.3
UNIT
W
V
UNIT
C
C
mA
mA
k
pF
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A