Datasheet > 74HC541D

74HC541D

更新时间： 2023-12-06 20:06:16

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
9页	252K
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74HC541D 数据手册

74HC540D,74HC541D

11.4. AC Characteristics (Unless otherwise specified, Ta = 25 �, Input: tr = tf = 6 ns)

Test

Condition

Characteristics

Part Number

Symbol

Note

CL (pF) VCC (V)

Min

Typ.

Max

Unit

Output transition time

tTLH,tTHL

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

ꢀ

130

125

165

125

ꢀ

Propagation delay time

Output enable time

Output disable time

tPLH,tPHL

tPZL,tPZH

tPLZ,tPHZ

150

RL = 1 kΩ

150

RL = 1 kΩ

Input capacitance

Output capacitance

CIN

COUT

CPD

ꢀ

Power dissipation

capacitance

74HC540D

74HC541D

(Note 1)

ꢀ

Note 1: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current

consumption without load. Average operating current can be obtained by the equation.

ICC(opr) = CPD × VCC × fIN + ICC/8 (per bit)

11.5. AC Characteristics

(Unless otherwise specified, Ta = -40 to 85 �, Input: tr = tf = 6 ns)

Characteristics

Symbol

Test Condition

CL (pF)

VCC (V)

Min

Max

Unit

Output transition time

tTLH,tTHL

ꢀ

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

ꢀ

Propagation delay time

tPLH,tPHL

ꢀ

150

115

165

Output enable time

tPZL,tPZH

RL = 1 kΩ

155

150

205

Output disable time

Input capacitance

tPLZ,tPHZ

RL = 1 kΩ

155

CIN

ꢀ

Toshiba Electronic Devices & Storage Corporation

2020-11-17

Rev.3.0

1...3 4 567 8 9

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