PCF8537 datasheet(67/82 Pages) NXP

부품명	PCF8537

상세설명	Industrial LCD driver for multiplex rates up to 1:8

PDF	82 Pages

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제조업체	NXP [NXP Semiconductors]

홈페이지	http://www.nxp.com

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67 / 82 page

PCF8537

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Product data sheet

Rev. 1 — 31 May 2012

67 of 82

NXP Semiconductors

PCF8537

Industrial LCD driver for multiplex rates up to 1:8

13. Dynamic characteristics

[1]

Frequency present on OSCCLK with default display frequency division factor.

Table 37.

Dynamic characteristics

VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 9.0 V; Tamb = 40 C to +85 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fclk(ext)

external clock frequency

450

14500

tclk(H)

clock HIGH time

external clock source used

s

tclk(L)

clock LOW time

s

fclk

clock frequency

on pin CLK; see Table 17

[1]

7800

9600

11040

tw(rst)L

LOW-level reset time

400

Fig 58. Driver timing waveforms

Fig 59. RESET timing

013aaa296

CLK

tclk(H)

tclk(L)

1/fclk

0.7 VDD

0.3 VDD

013aaa665

RESET

tw(rst)L

0.3 VDD

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