P87LPC779FDH datasheet(65/74 Pages) PHILIPS

65 / 74 page

Philips Semiconductors

P87LPC779

CMOS single-chip 8-bit microcontroller

Product data

Rev. 02 — 03 May 2004

65 of 74

9397 750 13213

10. Static characteristics

Table 55:

DC electrical characteristics

VDD = 2.7 V to 5.5 V unless otherwise speciﬁed.

Tamb = −40 °C to +85 °C for extended industrial, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

IDD

power supply current, operating

5.0 V; 20 MHz

[10]

-15

3.0 V; 10 MHz

[10]

-4

IID

power supply current, Idle mode

5.0 V; 20 MHz

[10]

3.0 V; 10 MHz

[10]

-2

IPD

Power supply current,

Power-down mode

5.0 V

[10]

-1

µA

3.0 V

[10]

-1

µA

VRAM

RAM keep-alive voltage

1.5

VIL

Low-level input voltage (TTL

input)

4.5 V < VDD < 6.0 V

−0.5

0.2VDD − 0.1 V

VIL1

negative-going threshold

(Schmitt input)

−0.5

0.3VDD

VIH

High-level input voltage (TTL

input)

0.2VDD + 0.9

VDD + 0.5

VIH1

positive-going threshold (Schmitt

input)

0.7VDD

-VDD + 0.5

Vhys

hysteresis voltage

0.2VDD

-V

VOL

LOW-level output voltage; all

ports[4][8]

IOL = 3.2 mA;

VDD = 4.5 V

0.4

VOL1

LOW-level output voltage; all

ports[4][8]

IOL =20mA;

VDD = 4.5 V

1.0

VOH

HIGH-level output voltage, all

ports[2]

IOH = −30 µA;

VDD = 4.5 V

VDD − 0.7

VOH1

HIGH-level output voltage, all

ports[3]

IOH = −1.0 mA;

VDD = 4.5 V

VDD − 0.7

Cio

input/output pin capacitance[9]

IIL

logic 0 input current, all ports[7]

VIN = 0.4 V

−50

µA

ILI

input leakage current, all ports[6]

VIN =VIL or VIH

±2

µA

ITL

logic 1-to-0 transition current,

all ports[2][5]

VIN = 2.0 V at

VDD = 5.5 V

−150

−650

µA

RRST

internal reset pull-up resistor

225

Ω

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