74ACT245M datasheet(4/9 Pages) STMICROELECTRONICS

部件名	74ACT245M

功能描述	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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74ACT245

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CAPACITIVE CHARACTERISTICS

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per

circuit)

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input Capacitance

5.0

5

pF

CI/O

I/O Capacitance

5.0

10

pF

CPD

Power Dissipation

Capacitance (note

1)

5.0

fIN = 10MHz

23

pF

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

2VCC

tPZH, tPHZ

Open

类似零件编号 - 74ACT245M

制造商	部件名	数据表	功能描述
STMicroelectronics	74ACT245M	70Kb / 9P	OCTAL BUS TRANSCEIVER 3-STATE April 2001
Fairchild Semiconductor	74ACT245MSA	101Kb / 10P	Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
	74ACT245MSA	117Kb / 10P	Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
	74ACT245MSA	415Kb / 12P	Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
ON Semiconductor	74ACT245MSA	406Kb / 14P	Octal Bidirectional Transceiver January 2008 Rev. 1.5.0

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