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HD74BC540AFPEL中文资料

HD74BC540A

Octal Buffers/Line Drivers With 3 State Outputs

REJ03D0285–0200Z

(Previous ADE-205-031 (Z))

Rev.2.00

Jul.16.2004 Description

The HD74BC540A provides high drivability and operation equal to or better than high speed bipolar standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5 of high speed bipolar logic IC, when the frequency is 10 MHz. The device has eight inverter drivers with three state outputs in a 20 pin package. When G1 and G2 is low level, this drivers set up output is enable.

Features

?Input/Output are at high impedance state when power supply is off.

?Built in input pull up circuit can make input pins be open, when not used.

?Input is TTL level.

?Wide operating temperature range

Ta = –40 to +85°C

?Ordering Information

Part Name Package Type Package Code Package

Abbreviation Taping Abbreviation

(Quantity)

HD74BC540AFPEL SOP-20 pin (JEITA)FP-20DAV FP EL (2,000 pcs/reel)

Function Table

Inputs

G1G2A Output Y

L L L H

L L H L

H X X Z

X H X Z

H:High level

L:Low level

X:Immaterial

Z:High impedance

Pin Arrangement

(Top view)

910

11

12Y7Y8

A8GND

Absolute Maximum Ratings

Item

Symbol

Rating

Unit

Supply voltage V CC –0.5 to +7.0V Input diode current I IK ±30mA Input voltage V IN –0.5 to +7.5V Output voltage

V OUT

–0.5 to +7.5

V

Off state output voltage V OUT(off)–0.5 to +5.5V Storage temperature Tstg –65 to +150°C

Note: 1.The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two

of which may be realized at the same time.

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage V CC 4.5 5.0 5.5V Input voltage

V IN 0—V CC V Ouput voltage

V OUT 0—V CC V Operating temperature

Topr

–40

85°C Input rise/fall time *1t r , t f 0—

8

ns/V

Note: 1.This item guarantees maximum limit when one input switches.

Waveform: Refer to test circuit of switching characteristics.

Logic Diagram

Y6Y7A8

A7A6Y8

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

Item

Symbol V CC (V)

Min Max Unit

Test Conditions

Input voltage V IH 2.0—V V IL —0.8V Output voltage

V OH 4.5 2.4—V I OH = –3 mA 4.5 2.0—V I OH = –15 mA V OL

4.5—0.5V I OL = 48 mA 4.5—0.55V I OL = 64 mA Input diode voltage V IK 4.5—–1.2V I IN = –18 mA Input current

I I

5.5—–250μA V IN = 0 V 5.5— 1.0μA V IN = 5.5 V 5.5

—100μA V IN = 7.0 V Short circuit output current *1I OS 5.5–100–225mA V IN = 0 or 5.5 V Off state output current I OZH 5.5—50μA V O = 2.7 V I OZL 5.5—–50μA V O = 0.5 V

Supply current

I CCL 5.5—27.5mA V IN = 0 or 5.5 V All outputs is “L”I CCH 5.5— 2.5mA V IN = 0 or 5.5 V All outputs is “H”I CCZ

5.5—

2.5

mA

V IN = 0 or 5.5 V All outputs is “Z”

I CCT *2 5.5— 1.5mA V IN = 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 I CC increase at per one input pin.

Switching Characteristics (C L = 50 pF)

Ta = 25°C V CC = 5.0 V

Ta = –40 to +85°C V CC = 5.0 V ±10Item

Symbol Min Max Min Max Unit Test Conditions Propagation delay time t PLH 3.0 6.0 3.07.0ns See under figure t PHL 3.0 6.0 3.07.0Output enable time t ZH 3.09.0 3.011.0ns t ZL 3.09.0 3.011.0Output disable time t HZ 3.0

8.0

3.010.0ns

t LZ 3.08.0

3.010.0

Input capacitance C IN 3.0(Typ)—pF V IN = V CC or GND Output capacitance

C O

15.0(Typ)

pF

V O = V CC or GND

Test circuit

L includes probe and jig capacitance.

A2-Y2 to A8-Y8 are identical to above load circuit.Open: t PLH , t PHL , t ZH , t HZ

7V: t ZL , t LZ

Waveforms-1

HD74BC540AFPEL中文资料

Waveforms-2

V – 0.3 V OH

V + 0.3 V OL

t ZL

1.5 V t LZ

t ZH

1.5 V

t HZ

t f

t r

90 %1.5 V 10 %

90 %

1.5 V 10 %

Waveform –A

Waveform –B

G

= 2.5 ns, t f = 2.5 ns

Input waveforms: PRR = 1 MHz, duty cycle 50%

Waveform-A shows input conditions such that the output is “L” level when enable by the

output control.

Waveform-B shows input conditions such that the output is “H” level when enable by the

output control.

Package Dimensions

Package Code JEDEC

JEITA

Mass (reference value)FP-20DAV —Conforms 0.31 g

*Ni/Pd/Au plating *0.40 ± 0.06

0.12

0.15

M

0.70 ± 0.20

1.27

.

1

±

.

1

HD74BC540AFPEL中文资料

http://www.doczj.com/doc/1237b51a6edb6f1aff001f08.html RENESAS SALES OFFICES

Renesas Technology America, Inc.

450 Holger Way, San Jose, CA 95134-1368, U.S.A

Tel: <1> (408) 382-7500 Fax: <1> (408) 382-7501

Renesas Technology Europe Limited.

Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, United Kingdom

Tel: <44> (1628) 585 100, Fax: <44> (1628) 585 900

Renesas Technology Europe GmbH

Dornacher Str. 3, D-85622 Feldkirchen, Germany

Tel: <49> (89) 380 70 0, Fax: <49> (89) 929 30 11

Renesas Technology Hong Kong Ltd.

7/F., North Tower, World Finance Centre, Harbour City, Canton Road, Hong Kong

Tel: <852> 2265-6688, Fax: <852> 2375-6836

Renesas Technology Taiwan Co., Ltd.

FL 10, #99, Fu-Hsing N. Rd., Taipei, Taiwan

Tel: <886> (2) 2715-2888, Fax: <886> (2) 2713-2999

Renesas Technology (Shanghai) Co., Ltd.

26/F., Ruijin Building, No.205 Maoming Road (S), Shanghai 200020, China

Tel: <86> (21) 6472-1001, Fax: <86> (21) 6415-2952

Renesas Technology Singapore Pte. Ltd.

1, Harbour Front Avenue, #06-10, Keppel Bay Tower, Singapore 098632

Tel: <65> 6213-0200, Fax: <65> 6278-8001

? 2004. Renesas Technology Corp., All rights reserved. Printed in Japan.

Colophon .1.0

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