74VHC574T datasheet(5/10 Pages) STMICROELECTRONICS

Il numero della parte	74VHC574T

Spiegazioni elettronici	OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING

PDF	10 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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DYNAMIC SWITCHING CHARACTERISTICS

Symb ol

Parameter

T est Cond ition s

Val ue

Un it

VCC

(V)

TA =25

-40 to 85

Min.

Typ .

Max.

Min .

Max.

VOLP

Dynamic Low Voltage

Quiet Output (note 1, 2)

5.0

CL =50 pF

0.6

0.9

VOLV

-0.9

-0.6

VIHD

Dynamic High Voltage

Input (note 1, 3)

5.0

3.5

VILD

Dynamic Low Voltage

Input (note 1, 3)

5.0

1.5

1) Worst case package.

2) Max number of outputs defined as (n). Data inputs are driven 0V to 5.0V, (n -1) outputs switching and one output at GND.

3) Max number of data inputs (n) switching. (n-1) switching 0V to5.0V. Inputs under test switching: 5.0V to threshold (VILD), 0V to threshold (VIHD), f=1MHz.

TEST CIRCUIT

T EST

SW IT CH

tPLH,tPHL

Open

tPZL,tPLZ

VCC

tPZH,tPHZ

GND

CL = 15/50 pF or equivalent (includes jig and probe capacitance)

RL =R1 =1K

Ω orequivalent

RT =ZOUT of pulse generator (typically 50

Ω)

74VHC574

5/10

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