PCA9552 datasheet(26/28 Pages) PHILIPS

26 / 28 page

PCA9552_5

Product data sheet

Rev. 05 — 9 March 2006

26 of 28

Philips Semiconductors

PCA9552

16-bit I2C-bus LED driver with programmable blink rates

17. Revision history

Table 17:

Revision history

Document ID

Release date

Data sheet status

Change notice

Doc. number

Supersedes

PCA9552_5

20060309

Product data sheet

PCA9552_4

Modiﬁcations:

• The format of this data sheet has been redesigned to comply with the new presentation and

information standard of Philips Semiconductors.

• Table 1 “Ordering information”: changed Topside mark of TSSOP24 package from

‘PCA9552PW’ to ‘PCA9552’

• Table 2 “Pin description”: added Table note 1 regarding VSS pin on HVQFN24 package

• Section 6.6 “External RESET”: changed symbol “tW” to “tw(rst)”

• Figure 11: changed symbol “tpv” to “tv(Q)”

• Figure 13: changed symbol “tph” to “th(D)”; changed symbol “tps” to “tsu(D)”

• Section 8.1 “Minimizing IDD when the I/O is used to control LEDs”:

– 1st paragraph, 3rd sentence: changed symbol “

∆I

DD” to “∆Istb”

– 2nd paragraph, 4th sentence: changed symbol “VIN” to “VI”

• Table 12 “Limiting values”:

– changed parameter description of VI/O from “DC voltage on an I/O” to “voltage on an

input/output pin”

– changed symbol “II/O (DC output current on an I/O)” to ‘IO(LEDn) (output current on pin LEDn)

• Table 13 “Static characteristics”:

– moved second sentence of description below title to (new)Table note 1 and added its

reference at column “Typ”

– changed symbol “

∆IDD” to “∆Istb”

– under subsection “I/Os”, changed symbol “IL” to “ILI”

• Table 14 “Dynamic characteristics”:

– updated parameter descriptions

– under subsection “Port timing”: changed symbol “tPV” to “tv(Q)”; changed symbol “tPS” to

“tsu(D)”; changed symbol “tPH” to “th(D)”

– under subsection “Reset”: changed symbol “tW”to“tw(rst)”; changed symbol “tREC”to“trec(rst)”;

changed symbol “tRESET” to “trst” (also in Table note 5)

• Figure 21 “Reset timing” modiﬁed to harmonize letter symbols

PCA9552_4

20041001

Product data sheet

9397 750 13727

PCA9552_3

20030502

Product data

853-2374 29857

of 2003 Apr 24

9397 750 11463

PCA9552_2

20030224

Product data

853-2374 29331

of 2002 Dec 20

9397 750 11156

PCA9552_1

20020927

Product data

853-2374 28878

of 2002 Sep 09

9397 750 10329

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