STK14EC8

19

Simtek Confidential

Jan, 2008

Document Control #ML0060 Rev 1.1

Preliminary

Document Revision History

SIMTEK STK14EC8 Datasheet, January 2008

Copyright 2008, Simtek Corporation. All rights reserved.

This datasheet may only be printed for the expressed use of Simtek Customers. No part of the datasheet may be reproduced in any other

form or means without the express written permission from Simtek Corporation. The information contained in this publication is believed to be

accurate, but changes may be made without notice. Simtek does not assume responsibility for, or grant or imply any warranty, including

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE regarding this information, the product or its use, Simtek products are

not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an

express written agreement with Simtek. Furthermore, Simtek does not authorize its products for use as critical components in life-support

systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Simtek products

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right.

Rev

Date

Change

1.0

April 2007

Moved to Preliminary from Advance Information

–

made clear that nominal supply is 3.3V, not 3.0V (range 2.7V to 3.6V)

–

modified language on pin description of HSB and NC.

–

changed ISB from 1mA to 2mA.

–

changed Icc3 from 8mA to 13mA

–

clarified description language of Figure 3

–

clarified description language of Software Recall

–

clarified description language of Preventing Autostore

–

corrected typo on Industrial temp range: -45 to -40

1.1

January 2008

Made the following changes to the document

–

page 1: revised block diagram

–

page 2: added new 48 FBGA information and added pin descriptions for pins E and W.

–

page 3: added thermal characteristics. In the DC Characteristics table, revised values for

Voltage.

–

t

Cycle #2 timing diagram and changed title to add G controlled.

–

–

revised the notes below the Software-Controlled Store/Recall Cycle diagram.

–

added a zero after each instance of “0x”; changed AutoStore Enable value to

0x04B46.

–

charge pump internal to the chip. Also, added Stefan's revised text (italics show revision):

"Refer to the DC CHARACTERISTICS table for the size of the capacitor."

–

page 12: under Hardware Store (HSB) Operation, revised first paragraph to read “The

HSB pin has a very resistive pullup...”

–

page 13: added best practices section.

–

page 15: in Ordering Information, Lead Finish, replaced “Sn (Matte Tin) RoHS Compliant”

with “Nickel/Palladium/Gold (Ni/Pd/Au)”;, added “B = Plastic 48-pin FBGA (Fine Pitch Ball

Grid Array)” to Finish.

–

page 16: in Ordering Codes, added ordering information for 48 FBGA and added access

times column.