74ACT32701LBR datasheet(5/9 Pages) STMICROELECTRONICS

部件名	74ACT32701LBR

功能描述	16-BIT D-TYPE LATCH PULS 16-BIT BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED)

PDF	9 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

5 / 9 page

74ACT32701

5/9

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 xVCC xfIN +ICC/n (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

Min.

Typ.

Max.

Min.

Max.

CIN

Input Capacitance

5.0

3.6

COUT

Output Capacitance

5.0

CPD

Power Dissipation Capaci-

tance (note 1)

5.0

fIN = 10MHz

Test

Switch

tPLH, tPHL

Open

tPZL, tPLZ

2VCC

tPZH, tPHZ

GND

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