STK12C68, STK12C68-5 (SMD5962-94599)
Document Revision History
Revision
0.0
Date
Summary
December 2002 Combined commercial, industrial and military data sheets. Removed 20 nsec device.
0.1
January 2003
July 2003
Added 35ns SMD to order information
0.2
Added “28 - SOIC” label to page 1 pinout drawing
0.3
September 2003 Added lead-free lead finish
0.4
October 2003
March 2006
Restored “W” 600 mil DIP package to ordering information
0.5
Removed Commercial 35 ns and leaded lead finish, Removed Military 45ns device
Reformat SMD Ordering Information to SDDC Part Number Format
0.6
August 2006
February 2007
0.7
Add Fast Power-Down Slew Rate Information
Restore Comm/Ind C & L Package Options
Add Tape Reel Ordering Options
Add Product Ordering Code Listing
Add Package Outline Drawings
Reformat Entire Document
0.8
2.0
July 2007
June 2008
extend definition of t (#7)
HZ
update fig. SRAM READ CYCLE #2, SRAM WRITE CYCLE #1,
update notes in tables HARDWARE STORE CYCLE, AutoStore / POWER_UP RECALL,
update Note s and Note u
split off SOFTWARE STORE / RECALL MODE SELEKTION table to clarify product usage
Added STK-12C68-5 part number to header.
Page 3: in the DC characteristics table, identified access times valid for commercial and industrial appli-
cations only; referred users to Website for package thermal characteristics.
Page 4: in SRAM Read Cycles #1 & #2 table, revised description for t
and t
, and changed
ELQX
ELQX
t
Symbol #2 to
for Read Cycle Time; updated SRAM Read Cycle #2 timing diagram and changed
ELEH
title to add G controlled.
Page 11: under HSB Operation, revised first paragraph to read “The HSB pin has a very resistive
pullup...”
Page 14: added access time column to table.
SIMTEK STK12C68, STK12C68-5 Datasheet, June 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. Nothing herein consti-
tutes a license, grant or transfer of any rights to any Simtek patent, copyright, trademark, or other proprietary right.
Rev 2.0
Document Control #ML0008
June, 2008
21
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