HD74LS85 datasheet(3/7 Pages) RENESAS

3 / 7 page

HD74LS85

Rev.2.00, Feb.18.2005, page 3 of 6

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

4.75

5.00

5.25

IOH

—

–400

µA

Output current

IOL

—

Operating temperature

Topr

–20

°C

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

VIH

2.0

—

Input voltage

VIL

—

0.8

VOH

2.7

—

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

IOH = –400

µA

—

0.4

IOL = 4 mA

Output voltage

VOL

—

0.5

IOL = 8 mA

VCC = 4.75 V, VIH = 2 V,

VIL = 0.8 V

A < B, A > B

inputs

—

Other inputs

IIH

—

µA

VCC = 5.25 V, VI = 2.7 V

A < B, A > B

inputs

—

–0.4

Other inputs

IIL

—

–1.2

VCC = 5.25 V, VI = 0.4 V

A < B, A > B

inputs

—

0.1

Input

current

Other inputs

—

0.3

VCC = 5.25 V, VI = 7 V

Short-circuit output

current

IOS

–20

—

–100

VCC = 5.25 V

Supply current**

ICC

—

10.4

VCC = 5.25 V

Input clamp voltage

VIK

—

–1.5

VCC = 4.75 V, IIN = –18 mA

Note:

* VCC = 5 V, Ta = 25°C

** ICC is measured with outputs open, A = B grounded, and all other inputs at 4.5 V.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

Inputs

Outputs

Number of

gate levels

min.

typ.

max.

Unit

Condition

—

A < B, A > B

—

tPLH

Any A or

B data input

A = B

—

A < B, A > B

—

tPHL

Any A or

B data input

A = B

—

tPHL

—

tPHL

A < B or

A = B

A > B

—

tPLH

—

tPHL

A = B

—

tPLH

—

Propagation

delay time

tPHL

A > B or

A = B

A < B

—

CL = 15 pF,

RL = 2 k

Ω

HD74LS85 数据表(PDF) 3 Page - Renesas Technology Corp

HD74LS85 数据表(HTML) 3 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7

数据表下载

链接网址

HD74LS85 数据表(PDF) 3 Page - Renesas Technology Corp

HD74LS85 数据表(HTML) 3 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7

数据表 下载

链接网址

数据表下载