CS82C84A datasheet(9/11 Pages) INTERSIL

9 / 11 page

FN2974.3

December 6, 2005

AC Testing Input, Output Waveform

Test Load Circuits

NOTES:

1. CL =100pF for CLK output.

2. CL = 50pF for all outputs except CLK.

3. CL = Includes probe and jig capacitance.

FIGURE 5. TEST LOAD MEASUREMENT CONDITIONS

FIGURE 6. TCHCL, TCLCH LOAD CIRCUITS

FIGURE 7. TRYLCL, TRYHCH LOAD CIRCUITS

OUTPUT FROM

DEVICE UNDER TEST

(SEE NOTE 3)

R = 740

Ω FOR ALL OUTPUTS

EXCEPT CLK

463

Ω FOR CLK OUTPUT

2.25V

CSYNC

CLK

LOAD

(SEE NOTE 1)

F/C

EF1

CSYNC

CLK

LOAD

(SEE NOTE 1)

F/C

VCC

PULSE

GENERATOR

CLK

LOAD

(SEE NOTE 1)

LOAD

(SEE NOTE 2)

CSYNC

F/C

AEN2

PULSE

GENERATOR

TRIGGER

VCC

24MHz

READY

OSC

AEN1

RDY2

EF1

CLK

LOAD

(SEE NOTE 1)

F/C

VCC

PULSE

GENERATOR

CSYNC

RDY2

AEN2

LOAD

(SEE NOTE 2)

AEN1

READY

TRIGGER

PULSE

GENERATOR

1.5V

VOL

VIL - 0.4V

INPUT

VIH + 0.4V

OUTPUT

VOH

NOTE: Input test signals must switch between VIL (maximum) -0.4V and VIH (minimum) +0.4V. RES and F/C must switch between 0.4V

and VCC -0.4V. Input rise and fall times driven at 1ns/V. VIL ≤ VIL (max) -0.4V for CSYNC pin. VCC -4.5V and 5.5V.

82C84A

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