HD74BC540A 查看數據表（PDF） - Renesas Electronics

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HD74BC540A

Octal Buffers/Line Drivers With 3 State Outputs

Renesas Electronics 

HD74BC540A

Pin Arrangement

G1 1

A1 2

A2 3

A3 4

A4

5

A5

6

A6

7

A7 8

A8

9

GND 10

20 VCC

19 G2

18 Y1

17 Y2

16 Y3

15 Y4

14 Y5

13 Y6

12 Y7

11 Y8

(Top view)

Absolute Maximum Ratings

Item

Symbol

Rating

Unit

Supply voltage

Input diode current

Input voltage

Output voltage

Off state output voltage

Storage temperature

VCC

IIK

VIN

VOUT

VOUT(off)

Tstg

–0.5 to +7.0

V

±30

mA

–0.5 to +7.5

V

–0.5 to +7.5

V

–0.5 to +5.5

V

–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

Supply voltage

VCC

4.5

5.0

Input voltage

VIN

0

—

Ouput voltage

VOUT

0

—

Operating temperature

Topr

–40

—

Input rise/fall time*1

tr , tf

0

—

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

Waveform: Refer to test circuit of switching characteristics.

Max

5.5

VCC

VCC

85

8

Unit

V

V

V

°C

ns/V

Rev.2.00, Jul.16.2004, page 2 of 7

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