PCA9535CD datasheet(29/32 Pages) NXP

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PCA9535_PCA9535C_3

Product data sheet

Rev. 03 — 4 October 2007

29 of 32

NXP Semiconductors

PCA9535; PCA9535C

16-bit I2C-bus and SMBus, low power I/O port with interrupt

17. Revision history

Table 19.

Revision history

Document ID

Release date

Data sheet status

Change notice

Supersedes

PCA9535_PCA9535C_3

20071004

Product data sheet

PCA9535_2

Modiﬁcations:

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

guidelines of NXP Semiconductors.

• Legal texts have been adapted to the new company name where appropriate.

• Added device PCA9535C

• Added HWQFN24 (SOT994-1) package option for PCA9535

• Figure 1 “Block diagram of PCA9535; PCA9535C”: changed text above resistor from “VINT”

to “VDD”

• Section 5 “Pinning information”:

– changed pin naming convention from “I/O0.n” to “IO0_n” (and “I/O1.n” to “IO1_n”) for all

input/output port pins

– added separate pinning diagrams for SO24, TSSOP24, HVQFN24 and HWQFN24

– Table 3 “Pin description”: added Table note 2 and its reference at HVQFN24/HWQFN24

pin 9 (VSS)

• Figure 10 “Read from register”: corrected slave address which follows (re)START from

“0010,A2,A1,A0” to “0100,A2,A1,A0”

• Section 6.4 “I/O port”: ﬁrst paragraph rewritten

• Figure 7 “Simpliﬁed schematic of I/Os”: added dashed line area and Figure note 1

• Figure 17 “Typical application”: added pin A2

• Section 8.1 “Minimizing IDD when the I/Os are used to control LEDs”: rewritten to show

difference between PCA9535 and PCA9535C

• Table 13 “Limiting values”:

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

an input/output pin”

– changed symbol “II/O, DC output current on an I/O” to “IO, output current” (and added “on

I/O pin” under Conditions)

– changed parameter description of ISS from “supply current” to “ground supply current”

• Table 14 “Static characteristics”, subsection “I/Os”:

– symbol VOH: added condition that this test is for PCA9535 only

– symbol IOL, condition VOL = 0.5 V: changed Typ value from “(8 to 20) mA” to “10 mA”

– symbol IOL, condition VOL = 0.7 V: changed Typ value from “(10 to 24) mA” to “14 mA”

– symbol “IIH, input leakage current” changed to “ILIH, HIGH-level input leakage current”

– symbol “IIL, input leakage current” changed to “ILIL, LOW-level input leakage current”

– Table note 1 modiﬁed: added “for at least 5

µs”

– Table note 3: added second sentence.

• Table 15 “Dynamic characteristics”:

– changed symbol “tPV, Output data valid” to” tv(Q), data output valid”

– changed symbol “tPS, Input data set-up time” to “tsu(D), data input set-up time”

– changed symbol “tPH, Input data hold time” to “th(D), data input hold time”

– changed symbol “tIV, Interrupt valid” to “tv(INT_N), valid time on pin INT”

– changed symbol “tIR, Interrupt reset” to “trst(INT_N), reset time on pin INT”

– (above symbols also updated in Figure 8, Figure 11, Figure 12)

– Table note 4 modiﬁed (regarding PCA9535C)

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