Dc programming characteristics, Ac programming/erase characteristics – Rainbow Electronics W27E512 User Manual

Page 7

Advertising
background image

W27E512

Publication Release Date: November 1999

- 7 -

Revision A8

DC PROGRAMMING CHARACTERISTICS

(V

CC

= 5.0V

±10%, T

A

= 25

° C ±5° C)

PARAMETER SYM.

CONDITIONS LIMITS UNIT

MIN.

TYP. MAX.

Input Load Current

I

LI

V

IN

= V

IL

or V

IH

-10

-

10

µA

V

CC

Program Current

I

CP

CE = V

IL

,

OE /V

PP

= V

PP

- - 30

mA

V

PP

Program Current

I

PP

CE = V

IL

,

OE /V

PP

= V

PP

- - 30

mA

Input Low Voltage

V

IL

- -0.3

-

0.8

V

Input High Voltage

V

IH

- 2.4

-

5.5

V

Output Low Voltage (Verify)

V

OL

I

OL

= 2.1 mA

-

-

0.45

V

Output High Voltage (Verify)

V

OH

I

OH

= -0.4 mA

2.4

-

-

V

A9 Silicon I.D. Voltage

V

ID

- 11.5

12.0

12.5

V

V

PP

Program Voltage

V

PP

- 11.75

12.0

12.25

V

V

CC

Supply Voltage (Program)

V

CP

- 4.5

5.0

5.5

V

AC PROGRAMMING/ERASE CHARACTERISTICS

(V

CC

= 5.0V

±10%, T

A

= 25

° C ±5° C)

PARAMETER SYM.

LIMITS UNIT

MIN.

TYP. MAX.

OE /V

PP

Pulse Rise Time

T

PRT

50 - -

nS

Data Setup Time

T

DS

2.0 - -

µS

CE Program Pulse Width

T

PWP

95 100

105

µS

CE Erase Pulse Width

T

PWE

95 100

105

mS

Data Hold Time

T

DH

2.0 - -

µS

OE /V

PP

Setup Time

T

OES

2.0 - -

µS

OE /V

PP

Hold Time

T

OEH

2.0 - -

µS

Data Valid from CE

T

DV1

25 - 1

µS

Data Valid from Address Change

T

DV2

25 - 1

µS

CE High to Output High Z

T

DFP

0 -

130

nS

Address Setup Time

T

AS

2.0 - -

µS

Address Hold Time

T

AH

0 - -

µS

Address Hold Time after CE High (Erase)

T

AHC

2.0 - -

µS

OE /V

PP

Valid after CE High

T

VS

2.0 - -

µS

OE /V

PP

Recovery Time

T

VR

2.0 - -

µS

Address Access Time during Erase Verify (V

CC

= 3.75V)

T

ACV

- - 250

nS

Output Enable Access Time during Erase Verify (V

CC

= 3.75V)

T

OEV

- - 150

nS

Note: V

CC

must be applied simultaneously or before V

PP

and removed simultaneously or after V

PP

.

Advertising