HD74BC541A 查看數據表（PDF） - Renesas Electronics

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HD74BC541A

Octal Buffers/Line Drivers With 3 State Outputs

Renesas Electronics 

HD74BC541A

Electrical Characteristics (Ta = –40 to +85°C)

Item

Input voltage

Output voltage

Input diode voltage

Input current

Short circuit output current*1

Off state output current

Supply current

Symbol

VIH

VIL

VOH

VOL

VIK

II

IOS

IOZH

IOZL

ICCL

VCC(V)

4.5

4.5

4.5

4.5

4.5

5.5

5.5

5.5

5.5

5.5

5.5

5.5

Min

2.0

—

2.4

2.0

—

—

—

—

—

—

–100

—

—

—

Max

—

0.8

—

—

0.5

0.55

–1.2

–250

1.0

100

–225

50

–50

29.5

Unit

V

V

V

V

V

V

V

µA

µA

µA

mA

µA

µA

mA

Test Conditions

IOH = –3 mA

IOH = –15 mA

IOL = 48 mA

IOL = 64 mA

IIN = –18 mA

VIN = 0 V

VIN = 5.5 V

VIN = 7.0 V

VIN = 0 or 5.5 V

VO = 2.7 V

VO = 0.5 V

VIN = VCC or GND

All outputs is “L”

ICCH

5.5

—

0.5

mA

VIN = VCC or GND

All outputs is “H”

ICCZ

5.5

—

2.5

mA

VIN = VCC or GND

All outputs is “Z”

ICCT*2

5.5

—

1.5

mA

VIN = 3.4V or 0.5V

Notes: 1. Not more than one output should be shorted at a time and duration of the short circuit should not exceed one

second.

2. When input by the TTL level, it shows ICC increase at per one input pin.

Switching Characteristics (CL = 50 pF)

Item

Propagation delay time

Output enable time

Output disable time

Input capacitance

Output capacitance

Ta = 25°C

Symbol

VCC = 5.0 V

Min

Max

tPLH

3.0

6.0

tPHL

3.0

6.0

tZH

3.0

9.0

tZL

3.0

9.0

tHZ

3.0

8.0

tLZ

3.0

8.0

CIN

3.0 (Typ)

CO

15.0 (Typ)

Ta = –40 to +85°C

VCC = 5.0 V ±10%

Min

Max Unit

Test Conditions

3.0

7.0

ns See under figure

3.0

7.0

3.0

11.0

ns

3.0

11.0

3.0

10.0

ns

3.0

10.0

—

pF VIN = VCC or GND

—

pF VO = VCC or GND

Rev.2.00, Jul.16.2004, page 4 of 7

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