HD74BC244AFPEL 查看數據表（PDF） - Renesas Electronics

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HD74BC244AFPEL

Octal Buffers/Line Drivers With 3 State Outputs

Renesas Electronics 

HD74BC244A

Pin Arrangement

1G 1

1A1 2

2Y4 3

1A2 4

2Y3 5

1A3 6

2Y2 7

1A4 8

2Y1 9

GND 10

20 VCC

19 2G

18 1Y1

17 2A4

16 1Y2

15 2A3

14 1Y3

13 2A2

12 1Y4

11 2A1

(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

—

Output 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.3.00, Jul.16.2004, page 2 of 8

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