Capacitance, Ac characteristics, Power-up timing – Rainbow Electronics W29C020C User Manual

Page 11: Ac test conditions, Ac test load and waveform

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W29C020C

Publication Release Date: April 1999

- 11 -

Revision A1

Power-up Timing

PARAMETER

SYMBOL

TYPICAL

UNIT

Power-up to Read Operation

T

PU

. READ

100

µ

S

Power-up to Write Operation

T

PU

. WRITE

5

mS

CAPACITANCE

(V

DD

= 5.0V, T

A

= 25

°

C, f = 1 MHz)

PARAMETER

SYMBOL

CONDITIONS

MAX.

UNIT

DQ Pin Capacitance

C

DQ

V

DQ

= 0V

12

pF

Input Pin Capacitance

C

IN

V

IN

= 0V

6

pF

AC CHARACTERISTICS

AC Test Conditions

(V

DD

= 5.0V

±

10

%

for 90 nS and 120 nS; V

DD

= 5.0V

±

5% for 70 nS)

PARAMETER

CONDITIONS

Input Pulse Levels

0V to 3V

Input Rise/Fall Time

<5 nS

Input/Output Timing Level

1.5V/1.5V

Output Load

1 TTL Gate and C

L

= 100 pF for 90/120 nS

C

L

= 30 pF for 70 nS

AC Test Load and Waveform

+5V

1.8K

1.3K

D

OUT

100 pF for 90/120 nS

30 pF for 70 nS

(Including Jig and Scope)

Input

3V

0V

Test Point

Test Point

1.5V

1.5V

Output

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