P87LPC778FDH datasheet(71/79 Pages) PHILIPS

71 / 79 page

Philips Semiconductors

P87LPC778

CMOS single-chip 8-bit microcontroller

Product data

Rev. 01 — 31 March 2004

71 of 79

9397 750 12378

[1]

Typical ratings are not guaranteed. The values listed are at room temperature, 5 V.

[2]

Ports in quasi-bidirectional mode with weak pull-up (applies to all port pins with pull-ups). Does not apply to open-drain pins.

[3]

Ports in PUSH-PULL mode. Does not apply to open drain pins.

[4]

In all output modes except high impedance mode.

[5]

Port pins source a transition current when used in quasi-bidirectional mode and externally driven from ‘1’ to ‘0’. This current is highest

when VIN is approximately 2 V.

[6]

Measured with port in high-impedance mode. Parameter is guaranteed, but not tested at cold temperature.

[7]

Measured with port in quasi-bidirectional mode.

[8]

Under steady state (non-transient conditions, IOL must be externally limited as follows.

a) Maximum IOL per port pin: 20 mA

b) Maximum IOL for all outputs: 80 mA

c) Maximum IOL for all outputs: 5 mA

If IOL exceeds the test condition, VOL may exceed the related speciﬁcation. Pins are not guaranteed to sink current greater than the

listed test conditions.

[9]

Pin capacitance is characterized but not tested.

[10] The IDD, IID, and IPD speciﬁcations are measured using an external clock with the following functions disabled: comparators, brownout

detect, and Watchdog timer. For VDD = 3 V, LPEP = 1.

[11] Devices initially operating at VDD = 2.7 V or above and fosc = 10 MHz or less are guaranteed to continue to execute instructions correctly

at the brownout trip point. Initial Power-on operation below VDD = 2.7 V is not guaranteed.

[12] Devices initially operating at VDD = 4.0 V or above and fosc = 20 MHz or less are guaranteed to continue to execute instructions correctly

at the brownout trip point. Initial Power-on operation below VDD = 4.0 V and fosc > 10 MHz is not guaranteed

VBOLOW brownout trip voltage with

BOV = 1[11]

2.35

2.69

VBOHI

brownout trip voltage with

BOV = 0[12]

3.45

3.8

3.99

VREF

bandgap reference voltage

1.11

1.26

1.41

Table 67:

DC electrical characteristics…continued

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

P87LPC778FDH Datasheet(PDF) 71 Page - NXP Semiconductors

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