74ALVCH16973DLG4 datasheet(7/13 Pages) TI

tên linh kiện	74ALVCH16973DLG4

Giải thích chi tiết về linh kiện	8-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH WITH FOUR INDEPENDENT BUFFERS

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OPERATING CHARACTERISTICS

(1)

SN74ALVCH16973

8-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH

WITH FOUR INDEPENDENT BUFFERS

SCES435B – APRIL 2003 – REVISED SEPTEMBER 2004

T

A = 25°C

VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V

PARAMETER

TEST CONDITIONS

UNIT

TYP

One fA = 10 MHz,

One fB = 10 MHz,

A outputs enabled,

TOE = GND,

Q outputs disabled,

12

14

19

LOE = VCC,

One A output switching

DIR = GND,

CL = 0 pF

One fA = 10 MHz,

One fB = 10 MHz,

B outputs enabled,

TOE = GND,

Q outputs disabled,

12

14

21

LOE = VCC,

One B output switching

DIR = GND,

Cpd(2)

Power dissipation

CL = 0 pF

pF

(each output)

capacitance

One fA = 10 MHz,

One fLE = 20 MHz,

Q outputs enabled,

One fQ = 10 MHz,

A and B I/Os isolated,

11

13

19

TOE = VCC,

One Q output switching

LOE = GND,

CL = 0 pF

One fD = 10 MHz,

One Y output switching,

One fY = 10 MHz,

A and B I/Os isolated,

TOE = VCC,

7

8

12

Q outputs disabled

LOE = VCC,

CL = 0 pF

One fA = 10 MHz,

A and B I/Os isolated,

One fLE = 20 MHz,

Power dissipation

Q outputs disabled,

fQ not switching,

Cpd (Z)

4

5

11

pF

capacitance

One LE and one A data

TOE = VCC,

input switching

LOE = VCC,

CL = 0 pF

fA not switching,

One fLE = 20 MHz,

A and B I/Os isolated,

Cpd(3)

Power dissipation

fQ not switching,

Q outputs disabled,

6

7

9

pF

(each LE)

capacitance

TOE = VCC,

One LE input switching

LOE = VCC,

CL = 0 pF

(1)

Total device Cpd for multiple (m) outputs switching and (n) LE inputs switching = [m * Cpd (each output)] + [n * Cpd (each LE)].

(2)

Cpd (each output) is the Cpd for each data bit (input and output circuitry) when it operates at 10 MHz (Note: the LE is operating at

20 MHz in this test, but its ICC component has been subtracted).

(3)

Cpd (each LE) is the Cpd for the clock circuitry only when it operates at 20 MHz.

7

Số phần tương tự - 74ALVCH16973DLG4

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