STK14D88_08 SIMTEK [Simtek Corporation], STK14D88_08 Datasheet - Page 20

• Manufacturer Part Number: STK14D88_08
• Description: 32Kx8 Autostore nvSRAM
• Manufacturer: SIMTEK [Simtek Corporation]

STK14D88
Document Control #ML0033 Rev 2.0
SIMTEK STK14D88 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 MER-
CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE regarding this information, the product or its use. Nothing herein constitutes a
license, grant or transfer of any rights to any Simtek patent, copyright, trademark, or other proprietary right.
1.7
2.0
Jan 2008
February 2007
January 2008
Added tape and reel ordering option
Added product order code listing
Added package drawings
Reformatted entire document
Deleted G-Controlled Soft Sequence
Page 3: added thermal characteristics.
Page 5: in the SRAM Read Cycles #1 and #2 table, revised parameter
description for t
Read Cycle Time; updated SRAM Read Cycle #2 timing diagram and
changed title to add G controlled.
Page 8: revised the notes below the Software-Controlled Store/Recall
Cycle diagram.
Page 10: in the Mode Selection table, changed fourth column to A
A
Page 11: under AutoStore Operation, revised text to read: “Refer to the
DC CHARACTERISTICS table for the size of the capacitor.”
Page 12: under Hardware Store (HSB) Operation, revised first para-
graph to read “The HSB pin has a very resistive pullup...”
Page 13: added best practices section.
Page 16: added access times to Ordering Information table.
0
.
NV
DATA
V
I
t
t
t
t
t
OUT
ELAX
EHAX
DELAY
HLBL
SS
SW ITCH
Parameter
C
(HSB)
, t
, t
R
Max.
GLAX
GHAX
Min.
20
ELQX
20 Years @
and t
70 uS Min.
Old Value
2.55 V
300ns
20 ns
500K
85 C
EHQZ
and changed Symbol #2 to
20 Years @
New Value
70 uS Max. Typo
-10 uA
70 us
200K
55 C
1 ns
New Nonvolatile
Store Cycle Spec
New Data Retention
Spec
No Min. Spec
Not Specified Before
Removed
New Spec
New Spec
Spec Not Required
Notes
t
ELEH
14
for
-