參數(shù)資料
型號(hào)： 87C749EFPN
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-bit microcontroller family
中文描述： 80C51的8位單片機(jī)系列
文件頁數(shù)： 12/22頁
文件大小： 164K
代理商： 87C749EFPN
Philips Semiconductors
Preliminary specification
83C749/87C749
80C51 8-bit microcontroller family
2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
1998 Apr 23
12
DC ELECTRICAL CHARACTERISTICS
T
amb
= 0
°
C to +70
°
C, AV
CC
= 5V
±
5, AV
SS
= 0V
4
V
CC
= 5V
±
10%, V
SS
= 0V
TEST
LIMITS
4
TYP
1
SYMBOL
I
CC
Inputs
PARAMETER
CONDITIONS
MIN
MAX
UNIT
Supply current (see Figure 6)
V
IL
V
IH
V
IH1
Input low voltage
Input high voltage, except X1, RST
Input high voltage, X1, RST
P0.2
Input low voltage
Input high voltage
(0 to 70
°
C)
(0 to 70
°
C)
(0 to 70
°
C)
–0.5
0.2V
CC
–0.1
V
CC
+0.5
V
CC
+0.5
V
V
V
0.2V
CC
+0.9
0.7V
CC
V
IL1
V
IH2
Outputs
(0 to 70
°
C)
(0 to 70
°
C)
–0.5
0.7V
CC
0.3V
CC
V
CC
+0.5
V
V
V
OL
V
OL1
Output low voltage, ports 1, 3, 0.3, and 0.4
(PWM disabled)
Output low voltage, port 0.2
Output high voltage, ports 1, 3, 0.3, and 0.4
(PWM disabled)
I
OL
= 1.6mA
2
I
OL
= 3.2mA
2
0.45
0.45
V
V
V
OH
I
OH
= –60
μ
A,
I
OH
= –25
μ
A
I
OH
= –10
μ
A
I
OH
= –400
μ
A
I
OH
= –40
μ
A
I
= 3mA
(over V
CC
range)
2.4
V
V
V
V
V
0.75V
CC
0.9V
CC
2.4
0.9V
CC
V
OH2
Output high voltage, P0.4 (PWM enabled)
Port 0.0 and 0.1 – Drivers
Output low voltage
Driver, receiver combined:
Capacitance
V
OL2
0.4
V
C
10
pF
I
IL
Logical 0 input current,
ports 1, 3, 0.3, and 0.4 (PWM disabled)
11
Logical 1 to 0 transition current,
ports 1, 3, 0.3 and 0.4
11
Input leakage current, port 0.0, 0.1 and 0.2
Reset pull-down resistor
Pin capacitance
V
IN
= 0.45V (0 to 70
°
C)
–50
μ
A
I
TL
V
IN
= 2V (0 to 70
°
C)
–650
μ
A
I
LI
R
RST
C
IO
0.45 < V
IN
< V
CC
±
10
175
10
μ
A
k
pF
25
Test freq = 1MHz,
T
amb
= 25
°
C
V
CC
= 2 to 5.5V
V
CC
= 2 to 6.0V
(83C749)
I
PD
Power-down current
5
50
μ
A
V
PP
V
PP
program voltage (87C749 only)
V
= 0V
V
CC
= 5V
±
10%
T
amb
= 21
°
C to 27
°
C
V
PP
= 13.0V
12.5
13.0
V
I
PP
Analog Inputs
(A/D guaranteed only with quartz window covered.)
Program current (87C749 only)
50
mA
AV
CC
Analog supply voltage
10
AV
CC
= V
CC
±
0.2V
4.5
5.5
V
AI
CC
Analog operating supply current
AV
CC
= 5.12V
3
9
mA
AV
IN
Analog input voltage
AV
SS
–0.2
AV
CC
+0.2
V
C
IA
Analog input capacitance
15
pF
t
ADS
Sampling time
8t
CY
s
t
ADC
Conversion time
40t
CY
s
NOTES ON FOLLOWING PAGE.
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