AT27C2048

7

AC Programming Characteristics

Notes:

1.

2.

This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven

—see timing diagram.

3.

Program Pulse width tolerance is 50

µsec ± 5%.

Atmel’s 27C2048 Intergrated Product Identification Code

Symbol

AC Conditions of Test

Limits

Units

Parameter

Min

Max

Address Setup Time

Input Rise and Fall Times

(10% to 90%) 20ns

Input Pulse Levels

0.45V to 2.4V

Input Timing Reference Level

0.8V to 2.0V

Output Timing Reference Level

0.8V to 2.0V

2

µs

OE Setup Time

2

µs

Data Setup Time

2

µs

Address Hold Time

0

µs

Data Hold Time

2

µs

0

130

ns

2

µs

2

µs

47.5

52.5

µs

Data Valid from OE

150

ns

Programming

50

ns

Codes

Pins

Hex

Data

A0

015-08

O7

O6

O5

O4

O3

O2

O1

O0

Manufacturer

0

0

0

001111

0

001E

Device Type

1

0

1

111011

1

00F7