AT27C020

5

AC Waveforms for Read Operation

(1)

Notes:

1.

Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.

2.

OE may be delayed up to t

3.

OE may be delayed up to t

4.

This parameter is only sampled and is not 100% tested.

5.

Output float is defined as the point when data is no longer driven.

Input Test Waveforms and Measurement Levels

For -55 devices only:

t

For -70,-90,-12,-15 devices only:

0.0V

3.0V

1.5V

AC

DRIVING

LEVELS

AC

MEASUREMENT

LEVEL

Pin Capacitance

f = 1 MHz, T = 25

Note:

1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.

Typ

Max

Units

Conditions

C

IN

48

pF

V

C

OUT

812

pF

V

Output Test Load

(1)

Note:

1.

CL = 100 pF including jig

capacitance except -55

devices where CL = 30 pF.