Nxp-semiconductors PCA9665 Uživatelský manuál stáhnout pdf (Strana 75)

PCA9665_2 © NXP B.V. 2006. All rights reserved.

Product data sheet Rev. 02 — 7 December 2006 75 of 91

NXP Semiconductors

PCA9665

Fm+ parallel bus to I

2

C-bus controller

V

M

= 1.5 V

V

X

=V

OL

+ 0.3 V

V

Y

=V

OH

− 0.3 V

V

OL

and V

OH

are typical output voltage drops that occur with the output load.

Fig 40. Data timing

002aab274

t

d(QLZ)

t

d(QHZ)

outputs

floating

outputs

enabled

outputs

enabled

Dn output

LOW-to-float

float-to-LOW

Dn output

HIGH-to-float

float-to-HIGH

RD, CE input

V

I

V

OL

V

OH

V

DD

V

M

V

M

V

X

V

Y

V

M

GND

GND

t

d(QZL)

t

d(QZH)

V

M

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 90 91

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