PCF2111CP datasheet(13/24 Pages) PHILIPS

13 / 24 page

1997 Mar 28

Philips Semiconductors

Product speciﬁcation

LCD drivers

PCF21xxC family

10 DC CHARACTERISTICS

VDD = 2.25 to 6.0 V; VSS =0V; Tamb = −40 to +80 °C; RO =1MΩ; CO = 680 pF; unless otherwise speciﬁed.

Notes

1. Outputs open; CBUS inactive.

2. Resets all logic, when VDD <VPOR.

3. Periodically sampled (not 100% tested).

4. Outputs measured one at a time.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VDD

supply voltage

2.25

−

6.0

IDD

supply current

note 1; see Fig.13

−

µA

note 1; Tamb =25 °C;

see Fig.13

−

µA

VPOR

power-on reset voltage level

note 2

−

1.0

1.6

Inputs CLB, DATA and DLEN

VIL

LOW level input voltage

−−

0.8

VIH

HIGH level input voltage

2.0

−−

ILI

input leakage current

VI =VSS or VDD

−−±1

µA

input capacitance

note 3

−−

Input OSC

Iosc

oscillator start-up current

VI =VSS

0.5

1.2

5.0

µA

LCD outputs

VBP

DC voltage of backplane drivers

−±20

−

ZO(BP)

backplane driver output impedance

note 4; VDD =5V

−

0.5

5.0

Ω

ZO(S)

segment driver output impedance

note 4; VDD =5V

−

17k

Ω

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