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83C749 Datasheet, PDF (12/22 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
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Philips Semiconductors
80C51 8-bit microcontroller family
2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
Preliminary specification
83C749/87C749
DC ELECTRICAL CHARACTERISTICS
Tamb = 0°C to +70°C, AVCC = 5V ±5, AVSS = 0V4
VCC = 5V ± 10%, VSS = 0V
SYMBOL
ICC
Inputs
PARAMETER
Supply current (see Figure 6)
TEST
CONDITIONS
VIL
VIH
VIH1
VIL1
VIH2
Outputs
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 to 70°C)
(0 to 70°C)
VOL
VOL1
VOH
VOH2
VOL2
C
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)
Output high voltage, P0.4 (PWM enabled)
Port 0.0 and 0.1 – Drivers
Output low voltage
Driver, receiver combined:
Capacitance
IOL = 1.6mA2
IOL = 3.2mA2
IOH = –60µA,
IOH = –25µA
IOH = –10µA
IOH = –400µA
IOH = –40µA
IOL = 3mA
(over VCC range)
IIL
ITL
ILI
RRST
CIO
IPD
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 0.411
Input leakage current, port 0.0, 0.1 and 0.2
Reset pull-down resistor
Pin capacitance
Power-down current5
VIN = 0.45V (0 to 70°C)
VIN = 2V (0 to 70°C)
0.45 < VIN < VCC
Test freq = 1MHz,
Tamb = 25°C
VCC = 2 to 5.5V
VCC = 2 to 6.0V
(83C749)
VPP
VPP program voltage (87C749 only)
VSS = 0V
VCC = 5V±10%
Tamb = 21°C to 27°C
IPP
Program current (87C749 only)
VPP = 13.0V
Analog Inputs (A/D guaranteed only with quartz window covered.)
AVCC
Analog supply voltage10
AVCC = VCC±0.2V
AICC
Analog operating supply current
AVCC = 5.12V
AVIN
Analog input voltage
CIA
Analog input capacitance
tADS
Sampling time
tADC
Conversion time
NOTES ON FOLLOWING PAGE.
MIN
–0.5
0.2VCC+0.9
0.7VCC
–0.5
0.7VCC
2.4
0.75VCC
0.9VCC
2.4
0.9VCC
25
12.5
4.5
AVSS–0.2
LIMITS4
TYP1
MAX
0.2VCC–0.1
VCC+0.5
VCC+0.5
0.3VCC
VCC+0.5
0.45
0.45
0.4
10
–50
–650
±10
175
10
50
13.0
50
5.5
39
AVCC+0.2
15
8tCY
40tCY
UNIT
V
V
V
V
V
V
V
V
V
V
V
V
V
pF
µA
µA
µA
kΩ
pF
µA
V
mA
V
mA
V
pF
s
s
1998 Apr 23
12
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