AT27C080

7

AC Programming Characteristics

T

Notes:

1. V

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

µs ± 5%.

Symbol

Parameter

Limits

Units

Min

Max

t

AS

Address Setup Time

Input Rise and Fall Times:

(10% to 90%) 20 ns.

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

2.0

µs

t

OES

OE/V

2.0

µs

t

OEH

OE/V

2.0

µs

t

DS

Data SetupTime

2.0

µs

t

AH

Address Hold Time

0.0

µs

t

DH

Data Hold Time

2.0

µs

t

DFP

0.0

130

ns

t

VCS

V

2.0

µs

t

PW

47.5

52.5

µs

t

DV

Data Valid from CE

1.0

µs

t

VR

OE/V

2.0

ns

t

PRT

OE/V

Programming

50

ns

Atmel’s 27C080 Integrated Product Identification Code

Pins

Codes

A0

O7

O6

O5

O4

O3

O2

O1

O0

Hex Data

Manufacturer

000011110

1E

Device Type

110001010

8A