ST4G3234 datasheet(6/11 Pages) STMICROELECTRONICS

Part #	ST4G3234

Description	4-BIT DUAL SUPPLY BUS BUFFER LEVEL TRANSLATOR WITH A SIDE SERIES RESISTOR

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 11 page

ST4G3234

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Table 9: Capacitance Characteristics

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per circuit)

Figure 4: Test Circuit

CL = 30pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Table 10: Waveform Symbol Value

Symbol

Parameter

Test Condition

Value

Unit

VCCB

(V)

VCCA

(V)

TA = 25 °C

-40 to 85 °C

Min.

Typ.

Max.

Min.

Max.

CINB

Input Capacitance

open

Output Capacitance

2.5

3.3

CPD

Power Dissipation

Capacitance

2.5

3.3

f=10MHz

1.8

3.3

1.4

2.5

1.4

1.8

3.3

1.8

TEST

SWITCH

tPLH, tPHL

Open

Symbol

VCC

3.0 to 3.6V

2.3 to 2.7V

1.65 to 1.95V

VIH

VCC

1.5V

VCC/2

VOL +0.3V

VOL +0.15V

VOL -0.3V

VOL -0.15V

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