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S87C654-4A44 Datasheet(PDF) 9 Page - NXP Semiconductors

Part # S87C654-4A44
Description  80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

S87C654-4A44 Datasheet(HTML) 9 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
87C652/87C654
80C51 8-bit microcontroller
8K/16K, 256 OTP, I2C
1999 Jul 23
9
DC ELECTRICAL CHARACTERISTICS
VSS = 0 V
TEST
LIMITS
SYMBOL
PARAMETER
PART TYPE
CONDITIONS
MIN.
MAX.
UNIT
VIL
Input low voltage,
except EA, P1.6/SCL, P1.7/SDA
0 to +70
°C
–40 to +85
°C
–0.5
–0.5
0.2VCC–0.1
0.2VCC–0.15
V
V
VIL1
Input low voltage to EA
0 to +70
°C
–40 to +85
°C
–0.5
–0.5
0.2VCC–0.3
0.2VCC–0.35
V
V
VIL2
Input low voltage to P1.6/SCL, P1.7/SDA1
–0.5
0.3VCC
V
VIH
Input high voltage,
except XTAL1, RST, P1.6/SCL, P1.7/SDA
0 to +70
°C
–40 to +85
°C
0.2VCC+0.9
0.2VCC+1.0
VCC+0.5
VCC+0.5
V
V
VIH1
Input high voltage, XTAL1, RST
0 to +70
°C
–40 to +85
°C
0.7VCC
0.7VCC+0.1
VCC+0.5
VCC+0.5
V
V
VIH2
Input high voltage, P1.6/SCL, P1.7/SDA1
0.7VCC
6.0
V
VOL
Output low voltage, ports 1, 2, 3,
except P1.6/SCL, P1.7/SDA
IOL = 1.6mA2, 3
0.45
V
VOL1
Output low voltage, port 0, ALE, PSEN
IOL = 3.2mA2, 3
0.45
V
VOL2
Output low voltage, P1.6/SCL, P1.7/SDA
IOL = 3.0mA
0.4
V
VOH
Output high voltage, ports 1, 2, 3
0 to +70
°C
–40 to +85
°C
IOH = –60µA
IOH = –25µA
2.4
0.75VCC
V
V
VOH1
Output high voltage; port 0 in external bus mode,
ALE, PSEN, RST4
0 to +70
°C
–40 to +85
°C
IOH = –400µA
IOH = –150µA
2.4
0.75VCC
V
V
IIL
Logical 0 input current, ports 1, 2, 3, 4,
except P1.6/SCL, P1.7/SDA
0 to +70
°C
–40 to +85
°C
VIN = 0.45V
–50
–75
µA
µA
ITL
Logical 1-to-0 transition current, ports 1, 2, 3,
except P1.6/SCL, P1.7/SDA
0 to +70
°C
–40 to +85
°C
See note 5
–650
–750
µA
µA
IL1
Input leakage current, port 0
0.45V < VI < VCC
±10
µA
IL2
Input leakage current, P1.6/SCL, P1.7/SDA
0V < VI < 6.0V
0V < VCC < 6.0V
±10
µA
µA
ICC
Power supply current:
See note 6
VCC=6.0V
Active mode @ 16 MHz7
25
mA
Idle mode @ 16 MHz8
6
mA
Power down mode9, 10
0 to +70
°C
50
µA
Power down mode9, 10
–40 to +85
°C
135
µA
RRST
Internal reset pull-down resistor
50
150
k
CIO
Pin capacitance
Freq.=1 MHz
10
pF
NOTES:
1. The input threshold voltage of P1.6 and P1.7 (SIO1) meets the I2C specification, so an input voltage below 0.3VCC will be recognized as a
logic 0 while an input voltage above 0.7VCC will be recognized as a logic 1.
2. Capacitive loading on ports 0 and 2 may cause spurious noise to be superimposed on the VOLs 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. IOL can exceed these conditions provided that no
single output sinks more than 5 mA and no more than two outputs exceed the test conditions.
3. Under steady state (non-transient) conditions, IOL must be externally limited as follows: Maximum IOL = 10 mA per port pin; Maximum
IOL = 26 mA total for Port 0; Maximum IOL = 15 mA total for Ports 1, 2, and 3; Maximum IOL = 71 mA total for all output pins. If IOL exceeds
the test conditions, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions.
4. Capacitive loading on ports 0 and 2 may cause the VOH on ALE and PSEN to momentarily fall below the 0.9VCC specification when the
address bits are stabilizing.
5. 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 VIN is approximately 2 V.
6. See Figures 9 through 11 for ICC test conditions.
7. The operating supply current is measured with all output pins disconnected; XTAL1 driven with tr = tf = 10ns;
VIL = VSS + 0.5 V; VIH = VCC –0.5 V; XTAL2 not connected; EA = RST = Port 0 = P1.6 = P1.7 = VCC; fCLK = 16 MHz. See Figure 9.
8. The idle mode supply current is measured with all output pins disconnected; XTAL1 driven with tr = tf = 10 ns; VIL = VSS + 0.5 V;
VIH = VCC –0.5 V; XTAL2 not connected; Port 0 = P1.6 = P1.7 = VCC; EA = RST = VSS; fCLK = 16 MHz. See Figure 10.
9. The power-down current is measured with all output pins disconnected; XTAL2 not connected; Port 0 = P1.6 = P1.7 = VCC;
EA = RST = VSS. See Figure 11.
10. 2V
≤ VPD ≤ VCCmax.


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