PI74LVC3245AS datasheet(5/9 Pages) PERICOM

номер детали	PI74LVC3245AS

подробное описание детали	8-Bit Dual Supply Bus Transceiver with 3-State Outputs

PDF	9 Pages

Scroll/Zoom	100%

производитель	PERICOM [Pericom Semiconductor Corporation]

домашняя страница	http://www.pericom.com

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5 / 9 page

ADVANCE INFORMATION

PI74LVC3245A

8-Bit Dual Supply Bus Transceiver

with 3-State Outputs

P-0.3

08/05/03

Parameters

From (Input)

To (Output)

VCCA = 2.7V to 3.6V, VCCB = 5V ±0.5V

Units

CL = 50pF, RL = 500Ω

Min.

Max.

tPHL

1.0

6.3

tPLH

1.0

6.0

tPHL

1.0

5.7

tPLH

1.0

6.0

tPZL

1.0

7.8

tPZH

1.0

7.5

tPZL

1.0

7.8

tPZH

1.0

7.6

tPLZ

1.0

7.0

tPHZ

1.0

7.5

tPLZ

1.0

7.0

tPHZ

1.0

7.3

tSK(O)

Output-to-Output Skew(8)

1.5

Capacitance (TA = 25°C)

Notes:

7. CPD is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current con-

sumption (ICCD) at no output loading and operating at 50% duty cycle, CPD is related to ICCD dynamic operating current

by the expression: ICCD = (CPD)(VCC)(fIN) +(ICC static)

AC Electrical Characteristics (Over Operating Range, TA = –40°C to +85°C)

Note:

8. Skew between any two outputs of the same device, switching in the same direction. Parameter guaranteed by design.

Param-

eters

Description

Test Conditions

Typ.

Units

CIN

Control Input Capacitance

VI = VCCA or GND, VCCA = Open, VCCB =Open

2.8

CI/O

Input/Output Capacitance

(A or B port)

VI/O = VCCA/B or GND, VCCA = 3.3V, VCCB = 5V

CPD

Power Dissipation

Capacitance (7)

Outputs Enabled

VCCA = 3.3V, VCCB = 5V

CL = 0pF, f = 10MHz

Outputs Disabled

2.2

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