HD74HC126 Просмотр технического описания (PDF) - Renesas Electronics

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Компоненты Описание

производитель

HD74HC126

Quad. Bus Buffer Gates (with 3-state outputs)

Renesas Electronics 

HD74HC125/HD74HC126

Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)

Item

Propagation delay

time

Output enable

Time

Output disable

Time

Output rise/fall

time

Input capacitance

Symbol VCC (V)

tPLH, tPHL 2.0

4.5

6.0

tZH, tZL

2.0

4.5

6.0

tHZ, tLZ

2.0

4.5

6.0

tTLH, tTHL 2.0

4.5

6.0

Cin

—

Ta = 25°C

Ta = –40 to +85°C

Min Typ Max Min Max Unit

— — 100 —

125 ns

— 8 20

—

25

— — 17

—

21

— — 150 —

190 ns

— 9 30

—

38

— — 26

—

33

— — 150 —

190 ns

— 14 30

—

38

— — 26

—

33

— — 60

—

75 ns

— 4 12

—

15

— — 10

—

13

— 5 10

—

10 pF

Test Circuit

VCC

VCC

Test Conditions

Input

Pulse generator

Z OUT = 50 Ω

C

Output

A

Y

1 k Ω S1

CL = 50 pF

OPEN

*1 See under table

GND

Note: CL includes the probe and jig capacitance.

TEST

tPLH /tPHL

t ZH/tHZ

tZL /tLZ

S1

OPEN

GND

VCC

Rev.2.00, Oct 11, 2005 page 4 of 8

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