74LVX3245TTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

74LVX3245TTR

OCTAL DUAL SUPPLY BUS TRANSCEIVER

STMicroelectronics 

74LVX3245

Table 10: Capacitive Characteristics

Test Condition

Value

Symbol Parameter

CIN Input

Capacitance

CI/O Input/Output

Capacitance

CPD Dynamic Low

Level Quiet

Output (note 1)

A to B

CPD Dynamic Low

Level Quiet

Output (note 1)

B to A

VCCA VCCB

(V) (V)

open open

3.3 5.0

3.3 5.0

3.3 5.0

TA = 25 °C

-40 to 85 °C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

4.5

V

10

V

55

V

40

V

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/8 (per circuit)

Figure 3: Test Circuit

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

TEST

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

6/13

SWITCH

Open

2VCC

Open

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