Capacitance, Ac characteristics, Ac test conditions – Rainbow Electronics W27E010 User Manual

Page 5: Ac test load and waveforms

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W27E010

Publication Release Date: May 1997

- 5 -

Revision A5

CAPACITANCE

(V

CC

= 5V, T

A

= 25

°

C, f = 1 MHz)

PARAMETER

SYMBOL

CONDITIONS

MAX.

UNIT

Input Capacitance

C

IN

V

IN

= 0V

6

pF

Output Capacitance

C

OUT

V

OUT

= 0V

12

pF

AC CHARACTERISTICS

AC Test Conditions

PARAMETER

CONDITIONS

45/55/70 nS

90/120 nS

Input Pulse Levels

0 to 3.0V

0.45V to 2.4V

Input Rise and Fall Times

5 nS

10 nS

Input and Output Timing Reference
Level

1.5V/1.5V

0.8V/2.0V

Output Load

C

L

= 30 pF,

I

OH

/I

OL

= -0.4 mA/2.1 mA

C

L

= 100 pF,

I

OH

/I

OL

= -0.4 mA/2.1 mA

AC Test Load and Waveforms

+1.3V

3.3K ohm

100 pF for 90/120 nS (Including Jig and Scope)

D

(IN914)

OUT

30 pF for 45/55/70 nS (Including Jig and Scope)

Input

3.0V

0V

1.5V

Test Point

Test Point

1.5V

For 45/55/70 nS

Output

2.4V

0.45V

2.0V

0.8V

2.0V

0.8V

Test Points

Test Points

Input

Output

For 90/120 nS

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