74VCX16240TTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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74VCX16240TTR

LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE INV.) WITH 3.6V TOLERANT INPUTS AND OUTPUTS

STMicroelectronics 

74VCX16240

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25 °C

Unit

Min. Typ. Max.

CIN

Input Capacitance

1.8, 2.5 or 3.3 VIN = 0 or VCC

6

pF

COUT Output Capacitance

1.8, 2.5 or 3.3 VIN = 0 or VCC

7

pF

CPD Power Dissipation Capacitance 1.8, 2.5 or 3.3 fIN = 10MHz

20

pF

(note 1)

VIN = 0 or VCC

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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per

circuit)

TEST CIRCUIT

) - Obsolete Product(s) TEST

t(s tPLH, tPHL

c tPZL, tPLZ (VCC = 3.0 to 3.6V)

u tPZL, tPLZ (VCC = 2.3 to 2.7V or 1.8V)

rod tPZH, tPHZ

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

P RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

lete WAVEFORM SYMBOL VALUES

ObsoSymbol

3.0 to3.6V

VCC

2.3 to 2.7V

SWITCH

Open

6V

2VCC

GND

1.8V

VIH

2.7V

VCC

VCC

VM

1.5V

VCC/2

VCC/2

VX

VOL + 0.3V

VOL + 0.15V

VOL + 0.15V

VY

VOH - 0.3V

VOH - 0.15V

VOH - 0.15V

7/11

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