89LPC925 datasheet(40/49 Pages) PHILIPS

40 / 49 page

Philips Semiconductors

P89LPC924/925

8-bit microcontrollers with accelerated two-clock 80C51 core

Product data

Rev. 03 — 15 December 2004

40 of 49

9397 750 14471

10. Static characteristics

Table 8:

DC electrical characteristics

VDD = 2.4 V to 3.6 V, unless otherwise speciﬁed.

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

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

IDD(oper)

power supply current, operating

3.6 V; 12 MHz

[2]

3.6 V; 18 MHz

[2]

-14

IDD(idle)

power supply current, Idle mode

3.6 V; 12 MHz

[2]

3.25

3.6 V; 18 MHz

[2]

-5

IDD(PD)

power supply current, Power-down

mode, voltage comparators

powered-down

3.6 V

[2]

-55

µA

IDD(TPD)

power supply current, Total

Power-down mode

3.6 V

[2]

-1

µA

(dVDD/dt)r

VDD rise rate

mV/

µs

(dVDD/dt)f

VDD fall rate

mV/

µs

VPOR

Power-on reset detect voltage

0.2

VRAM

RAM keep-alive voltage

1.5

Vth(HL)

negative-going threshold voltage

except SCL, SDA

0.22VDD

0.4VDD

-V

VIL

LOW-level input voltage

SCL, SDA only

−0.5

0.3VDD

Vth(LH)

positive-going threshold voltage

except SCL, SDA

0.6VDD

0.7VDD

VIH

HIGH-level input voltage

SCL, SDA only

0.7VDD

5.5

Vhys

hysteresis voltage

Port 1

0.2VDD

-V

VOL

LOW-level output voltage; all ports,

all modes except Hi-Z

IOL =20mA

[3]

0.6

1.0

IOL = 3.2 mA

[3]

0.2

0.3

VOH

HIGH-level output voltage, all ports IOH = −3.2 mA;

push-pull mode

VDD − 0.7 VDD − 0.4 -

IOH = −20 µA;

quasi-bidirectional

mode

VDD − 0.3 VDD − 0.2 -

Cig

input/output pin capacitance

[4]

IIL

logical 0 input current, all ports

VIN = 0.4 V

[5]

−80

µA

ILI

input leakage current, all ports

VIN =VIL or VIH

[6]

± 10

µA

ITL

logical 1-to-0 transition current,

all ports

VIN = 2.0 V at

VDD = 3.6 V

[7], [8]

−30

−450

µA

RRST

internal reset pull-up resistor

Ω

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