PCF8536AT datasheet(32/54 Pages) NXP

32 / 54 page

PCA85276

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Product data sheet

Rev. 3 — 12 November 2018

32 of 54

NXP Semiconductors

PCA85276

Automotive 40 x 4 LCD driver

11. Static characteristics

[1]

LCD outputs are open-circuit; inputs at VSS or VDD; external clock with 50 % duty factor; I2C-bus inactive.

[2]

For typical values, see Figure 23.

[3]

The I2C-bus interface of the PCA85276 is 5 V tolerant.

[4]

When tested, I2C pins SCL and SDA have no diode to VDD and may be driven to the VI limiting values given in Table 17 (see Figure 22

as well).

[5]

Propagation delay of driver between clock (CLK) and LCD driving signals.

[6]

Periodically sampled, not 100 % tested.

[7]

Outputs measured one at a time.

Table 18.

Static characteristics

VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 8.0 V; Tamb = 40 C to +105 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

VLCD  6.5 V

1.8

5.5

VLCD > 6.5 V

2.5

5.5

VLCD

LCD supply voltage

VDD < 2.5 V

2.5

6.5

VDD  2.5 V

2.5

8.0

IDD

supply current

fclk(ext) = 1536 Hz

[1][2] -3.5

A

VDD = 3.0 V; Tamb =25 C-

2.7

A

IDD(LCD)

LCD supply current

fclk(ext) = 1536 Hz

[1] -23

A

VLCD =3.0 V;

Tamb =25 C

-13

A

Logic[3]

VIL

LOW-level input voltage

on pins CLK, SYNC, OSC,

A0, A1, T1, SA0, SCL, SDA

VSS

-0.3VDD

VIH

HIGH-level input voltage

on pins CLK, SYNC, OSC,

A0, A1, T1, SA0, SCL, SDA

[4][5] 0.7VDD

-VDD

IOL

LOW-level output current

output sink current;

VOL = 0.4 V; VDD =5V

on pins CLK and SYNC

on pin SDA

IOH(CLK)

HIGH-level output current

on pin CLK

output source current;

VOH =4.6 V; VDD =5V

leakage current

VI =VDD or VSS;

on pins CLK, SCL, SDA, A0,

A1, T1, SA0

1-

A

IL(OSC)

leakage current on pin

OSC

VI =VDD

1-

A

input capacitance

[6] --

LCD outputs

V

output voltage variation

on pins BP0 to BP3 and

S0 to S39

100

+100

output resistance

VLCD = 5 V

[7]

on pins BP0 to BP3

1.5



on pins S0 to S39

6.0



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