參數(shù)資料
型號： P89C662
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-Bit Flash Microcontroller 32KB ISP/IAP FLASH with 1KB RAM(80C51 8位閃速微控制器，帶16KB ISP/IAP閃速存儲器和1KB RAM)
中文描述： 80C51的8位閃存微控制器具有32KB的ISP /聯(lián)合會與1kB的內(nèi)存（80C51的8位閃速微控制器，帶16KB的供應(yīng)商/聯(lián)合會閃速存儲器和閃存的1kB的RAM）
文件頁數(shù)： 76/89頁
文件大?。?/td> 490K
代理商： P89C662
Philips Semiconductors
Product data
P89C660/P89C662/P89C664/
P89C668
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
2002 Oct 28
76
DC ELECTRICAL CHARACTERISTICS
T
amb
= 0
°
C to +70
°
C, 5 V
±
10% or –40
°
C to +85
°
C; 5V
±
5%; V
SS
= 0 V
SYMBOL
PARAMETER
TEST
LIMITS
TYP
1
UNIT
CONDITIONS
MIN
–0.5
MAX
V
IL
V
IL2
V
IH
V
IH1
V
IH2
Input low voltage
Input low voltage to P1.6/SCL, P1.7/SDA
11
4.5 V < V
CC
< 5.5 V
0.2 V
CC
–0.1
0.3V
DD
V
CC
+0.5
V
CC
+0.5
6.0
V
–0.5
V
Input high voltage (ports 0, 1, 2, 3, EA)
0.2V
CC
+0.9
0.7V
CC
0.7V
DD
V
Input high voltage, XTAL1, RST
Input high voltage, P1.6/SCL, P1.7/SDA
11
V
V
V
OL
Output low voltage, ports 1, 2, 3
8
V
CC
= 4.5 V
I
OL
= 1.6 mA
2
V
CC
= 4.5 V
I
OL
= 3.2 mA
2
I
OL
= 3.0 mA
V
CC
= 4.5 V
I
OH
= –30
μ
A
V
CC
= 4.5 V
I
OH
= –3.2 mA
V
IN
= 0.4 V
V
IN
= 2.0 V
See Note 4
0.45 < V
IN
< V
CC
– 0.3
0V < VI < 6 V
0V < V
DD
< 5.5 V
See Note 5
–
0.4
V
V
OL1
Output low voltage, port 0, ALE, PSEN
7, 8
–
0.45
V
V
OL2
Output low voltage, P1.6/SCL, P1.7/SDA
–
0.4
V
V
OH
Output high voltage, ports 1, 2, 3
3
V
CC
– 0.7
–
V
V
OH1
Output high voltage (port 0 in external bus mode),
ALE
9
, PSEN
3
Logical 0 input current, ports 1, 2, 3
V
CC
– 0.7
–
V
I
IL
–1
–75
μ
A
I
TL
Logical 1-to-0 transition current, ports 1, 2, 3
6
–
–650
μ
A
I
LI
Input leakage current, port 0
–
±
10
μ
A
I
L2
Input leakage current, P1.6/SCL, P1.7/SDA
–
10
μ
A
I
CC
Power supply current (see Figure 64):
Active mode (see Note 5)
Idle mode (see Note 5)
Power-Down mode or clock stopped (see Figure 71
for conditions)
Programming and erase mode
T
amb
= 0
°
C to 70
°
C
T
amb
= –40
°
C to +85
°
C
f
osc
= 20 MHz
20
100
125
μ
A
μ
A
mA
k
pF
60
R
RST
C
IO
NOTES:
1. Typical ratings are not guaranteed. The values listed are at room temperature, 5 V.
2. Capacitive loading on ports 0 and 2 may cause spurious noise to be superimposed on the V
OL
s of ALE and ports 1 and 3. The noise is 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
OL
can exceed these conditions provided that no
single output sinks more than 5mA and no more than two outputs exceed the test conditions.
3. Capacitive loading on ports 0 and 2 may cause the V
OH
on ALE and PSEN to momentarily fall below the V
CC
–0.7 specification when the
address bits are stabilizing.
4. Pins of ports 1, 2 and 3 source a transition current when they are being externally driven from 1 to 0. The transition current reaches its
maximum value when V
IN
is approximately 2 V.
5. See Figures 68 through 71 for I
CC
test conditions and Figure 64 for I
CC
vs Freq.
Active mode:
I
CC(MAX)
= (2.8
×
FREQ. + 8.0)mA for all devices, in 6 clock mode; (1.4
×
FREQ. + 8.0)mA in 12 clock mode.
Idle mode:
I
CC(MAX)
= (1.2
×
FREQ. +1.0)mA in 6 clock mode; (0.6
×
FREQ. +1.0)mA in 12 clock mode.
6. This value applies to T
amb
= 0
°
C to +70
°
C.
7. Load capacitance for port 0, ALE, and PSEN = 100 pF, load capacitance for all other outputs = 80 pF.
8. Under steady state (non-transient) conditions, I
OL
must be externally limited as follows:
Maximum I
OL
per port pin:
15 mA (*NOTE: This is 85
°
C specification.)
Maximum I
OL
per 8-bit port:
26 mA
Maximum total I
OL
for all outputs:
71 mA
If I
exceeds the test condition, V
OL
may exceed the related specification. Pins are not guaranteed to sink current greater than the listed
test conditions.
9. ALE is tested to V
, except when ALE is off then V
is the voltage specification.
10.Pin capacitance is characterized but not tested. Pin capacitance is less than 25 pF. Pin capacitance of ceramic package is less than 15 pF
(except EA is 25 pF).
11. The input threshold voltage of P1.6 and P1.7 (SIO1) meets the I
2
C specification, so an input voltage below 1.5 V will be recognized as a logic 0
while an input voltage above 3.0 V will be recognized as a logic 1.
Internal reset pull-down resistor
Pin capacitance
10
(except EA)
40
225
–
15
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