ML9227 Ver la hoja de datos (PDF) - Oki Electric Industry

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componentes Descripción

Fabricante

ML9227

27-Bit Duplex/Triplex VFD Controller/Driver with Digital Dimming, ADC and Key scan

Oki Electric Industry 

OKI Semiconductor

FEDL9227-01

ML9227

Key scan Characteristics

Parameter

Key scan Cycle Time

Key scan Pulse Width

(Ta = –40 to +85°C, VDISP = 8.0 to 18.5 V)

Condition

Min.

Typ. Max.

Unit

R = 10 kΩ ±5%, Co = 27 pF ±5% 160

194

246

µs

R = 10 kΩ ±5%, Co = 27 pF ±5% 32

39

49

µs

Rotary switch characteristic

Parameter

Phase input time

Phase input fixed time

Sign

tABW

tABH

Condition

(Ta = –40 to +85°C, VDISP = 8.0 to 18.5 V)

Min. Typ. Max. Unit

R = 10 kΩ ±5%, Co = 27 pF ±5% 950 — — µs

Rotary switch input timing

A

B

tABW tABH tABW tABH tABW

tABW

Key scan Timing

ROW1

ROW2

ROW3

ROW4

ROW5

Key scan Cycle Time

Key scan Pulse

Width

11/26

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