ST8034C datasheet(18/39 Pages) STMICROELECTRONICS

18 / 39 page

DocID024587 Rev 4

19/40

ST8034T, ST8034AT, ST8034P, ST8034C

Electrical characteristics

IIL

Input current low

A

IIH

Input current high

A

VIL(VCC_SEL) Input voltage low

ST8034P only. The

low/floating threshold is

subject to minor variations.

-0.3

0.3

VDD(INTF)

VIH(VCC_SEL) Input voltage high

ST8034P only. The

floating/high threshold is

subject to minor variations.

0.7

VDD(INTF)

+0.3

IIL(VCC_SEL) Input current low

ST8034P only

-30

A

IIH(VCC_SEL) Input current high

ST8034P only

A

Device control input CMDVCC(4)

VIL

Input voltage low

-0.3

0.3

VDD(INTF)

VIH

Input voltage high

0.7

VDD(INTF)

+ 0.3

VHYS

Hysteresis

0.14

VDD(INTF)

IIL

Input current low

VIL = 0 V

A

IIH

Input current high

VIH = VDD(INTF)

A

fCMDVCC

Frequency at CMDVCC

100

OFF output(5)

VOL

Output voltage low

IOL = 2 mA

0.3

VOH

Output voltage high

IOH = -15 A

0.75

VDD(INTF)

RPU

Pull-up resistance to

VDD(INTF)



1. TA = 25 °C, VDD = 3.3 V, VDDP = 5 V, VDD(INTF) = 3.3 V, fXTAL = 10 MHz, unless otherwise noted.

2. With an internal 10 k

 pull-up resistor to VDD(INTF).

3. For clock frequency division control (CLKDIV), see Table 13 on page 25.

4. CMDVCC is active low.

5. OFF is an NMOS open drain, with an internal 20 k

 pull-up resistor to VDD(INTF).

Table 9. Microcontroller interface (continued)

Symbol

Parameter

Test conditions(1)

Min.

Typ.

Max.

Unit

ST8034C Datasheet(PDF) 18 Page - STMicroelectronics

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