HD74LS125A 查看數據表（PDF） - Renesas Electronics

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HD74LS125A

Quadruple Bus Buffer Gates (with three-state outputs)

Renesas Electronics 

HD74LS125A

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

7

V

Input voltage

VIN

7

V

Power dissipation

Storage temperature

PT

Tstg

400

mW

–65 to +150

°C

Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.

Recommended Operating Conditions

Item

Supply voltage

High level output current

Low level output current

Operating temperature

Symbol

VCC

IOH

IOL

Topr

Min

4.75

—

—

–20

Typ

5.00

—

—

25

Max

5.25

–2.6

24

75

Unit

V

mA

mA

°C

Electrical Characteristics

Item

Input voltage

Output voltage

Symbol

VIH

VIL

VOH

VOL

IOZ

IIH

Input current

IIL

II

Short-circuit output

current

IOS

Supply current

ICC

Input clamp voltage

VIK

Note: * VCC = 5 V, Ta = 25°C

min.

2.0

—

2.4

—

—

—

—

—

—

—

–40

—

—

typ.*

—

—

—

—

—

—

—

—

—

—

—

11

—

max.

—

0.8

—

0.5

0.4

20

–20

20

–0.4

0.1

–225

20

–1.5

Unit

V

V

V

V

µA

µA

mA

mA

mA

mA

V

(Ta = –20 to +75 °C)

Condition

VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,

IOH = –2.6 mA

IOL = 24 mA VCC = 4.75 V, VIH = 2 V,

IOL = 12 mA VIL = 0.8 V

VO = 2.4 V

VCC = 5.25 V, VIH = 2 V,

VO = 0.4 V

VIL = 0.8 V

VCC = 5.25 V, VI = 2.7 V

VCC = 5.25 V, VI = 0.4 V

VCC = 5.25 V, VI = 7 V

VCC = 5.25 V

VCC = 5.25 V

VCC = 4.75 V, IIN = –18 mA

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

min.

typ.

max.

Unit

Condition

Propagation delay time

tPLH

—

9

15

Output enable time

tPHL

—

tZH

—

7

12

18

20

CL = 45 pF, RL = 667 Ω

ns

tZL

—

15

25

Output disable time

tHZ

—

—

20

tLZ

—

—

20

CL = 5 pF, RL = 667 Ω

Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-

0100)".

Rev.2.00, Feb.18.2005, page 2 of 4

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