STK12C68-CF25 SIMTEK [Simtek Corporation], STK12C68-CF25 Datasheet
STK12C68-CF25
Related parts for STK12C68-CF25
STK12C68-CF25 Summary of contents
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... Simtek internal qualification testing and has reached production status. STK12C68 (SMD5962-94599) DESCRIPTION The Simtek STK12C68 is a 64Kb fast static RAM with a non-volatile Quantum Trap storage element included with each memory cell. The SRAM provides the fast access & cycle times, ease of use and unlimited read & ...
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... STK12C68 (SMD5962-94599) Packages VCAP 1 A12 DQ0 11 12 DQ1 13 DQ2 14 VSS 28-pin SOIC 28-pin DIP Pin Descriptions Pin Name A -A Input -DQ I Input W Input G Input V Power Supply CCX HSB I/O V Power Supply CAP ...
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... SS SS 2.4 2.4 0.4 0.4 0.4 0 –40/-55 85/125 STORE if that is where the power supply connection is made CCX OUTPUT UNITS CONDITIONS pF Δ Δ STK12C68 (SMD5962-94599) = 5.0V ± 10 UNITS NOTES 25ns AVAV 35ns AVAV 45ns AVAV 55ns AVAV mA All Inputs Don’ ...
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... STK12C68 (SMD5962-94599) SRAM READ CYCLES #1 & #2 SYMBOLS NO. #1, #2 Alt Chip Enable Access Time ELQV ACS Read Cycle Time AVAV Address Access Time AVQV Output Enable to Data Valid GLQV Output Hold after Address Change ...
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... WLWH 15 t DVWH DATA VALID 20 t WLQZ HIGH IMPEDANCE AVAV 14 t ELEH 17 t AVEH 13 t WLEH 15 t DVEH HIGH IMPEDANCE 5 STK12C68 (SMD5962-94599) = 5.0V ± 10 STK12C68-35 STK12C68-45 STK12C68-55 MIN MAX MIN MAX MIN MAX ...
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... STK12C68 (SMD5962-94599) HARDWARE MODE SELECTION E W HSB Note m: HSB STORE operation occurs only if an SRAM WRITE has been done since the last nonvolatile cycle. After the STORE (if any) completes, the part will go into standby mode, inhibiting all operations until HSB rises. ...
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... CAP SWITCH 29 t VSBL t DELAY BROWN OUT BROWN OUT NO STORE AutoStore (NO SRAM WRITES) NO RECALL NO RECALL (V DID NOT GO (V DID NOT BELOW V ) BELOW V RESET 7 STK12C68 (SMD5962-94599) = 5.0V ± 10 STK12C68 MIN MAX 550 10 300 1 4.0 4.5 3 STORE 30 BROWN OUT AutoStore RECALL WHEN V RETURNS CC ) ...
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... STK12C68 (SMD5962-94599) SOFTWARE-CONTROLLED STORE/RECALL CYCLE SYMBOLS NO. Standard Alternate STORE/RECALL Initiation Cycle AVAV RC Time Address Set-up Time AVEL Clock Pulse Width ELEH Address Hold Time ELAX 37 t RECALL Duration RECALL Note u: The software sequence is clocked with E controlled READs. ...
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... The STK12C68 has two separate modes of opera- tion: mode and nonvolatile mode. In SRAM mode, the memory operates as a standard fast static . In nonvolatile mode, data is transferred from RAM to Nonvolatile Elements (the SRAM tion) or from Nonvolatile Elements to operation). In this mode RECALL disabled. NOISE CONSIDERATIONS ...
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... RECALL controlled opera- 68μF capacitor. In this mode the AutoStore function READ of the STK12C68 will operate on the stored system charge as power goes down. The user must, how- Valid READ ever, guarantee that V Valid READ during the 10ms ...
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... HSB low for 20μs at the onset STORE the STK12C68 is connected for AutoStore operation (system CAP the STK12C68 will attempt to pull HSB low; if HSB doesn’t actually get below V ing to pull HSB low and abort the operation STORE HARDWARE PROTECT The STK12C68 offers hardware protection against ...
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... Cycle Time (ns) Figure 5: I (max) Reads cc Commercial and Industrial Ordering Information STK12C68 - Document Control #ML0008 Rev 0.7 February 2007 100 TTL CMOS 150 200 Packing Option Blank = Tube TR = Tape and Reel Temperature Range Blank = Commercial (0 to 70° Industrial (– ...
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... Military Ordering Information STK12C68 - 5962 - 94599 Document Control #ML0008 Rev 0.7 February 2007 STK12C68 (SMD5962-94599) Temperature Range M = Military (–55 to 125°C) Access Time 35 = 35ns 55 = 55ns Package C = Ceramic 28-pin 300 mil DIP (gold lead finish Ceramic 28-pin 300 mil DIP (solder dip finish) ...
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... STK12C68 (SMD5962-94599) Ordering Information Part Number STK12C68-C35 STK12C68-C45 STK12C68-L35 STK12C68-L45 STK12C68-PF25 STK12C68-PF45 STK12C68-SF25 STK12C68-SF25TR STK12C68-SF45 STK12C68-SF45TR STK12C68-W F25 STK12C68-W F45 STK12C68-C35I STK12C68-C45I STK12C68-L35I STK12C68-L45I STK12C68-PF25I STK12C68-PF45I STK12C68-SF25I STK12C68-SF25ITR STK12C68-SF45I STK12C68-SF45ITR STK12C68-W F25I STK12C68-W F45I SMD5962-9459901MXA SMD5962-9459901MXC SMD5962-9459901MXX SMD5962-9459901MYA SMD5962-9459901MYX SMD5962-9459903MXA SMD5962-9459903MXC ...
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... Document Control #ML0008 Rev 0.7 February 2007 Package Diagrams 0.713 ( 18.11 ) 0.733 18.62 0.508 0.050 (1.270) ) 0.356 0.103 0.093 ) DIM = INCHES ( MIN DIM = mm MAX 15 STK12C68 (SMD5962-94599) 0.112 0.004 (2.845) (0.102) 2.616 ( ) 2.362 0.477 12.116 ( ) 0.453 11.506 10° 0° 0.044 1.117 ( ) 0.028 0.711 MIN ...
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... STK12C68 (SMD5962-94599) 28-Lead 300 mil PDIP Pin 1 Index ( ) .020 0.51 0.76 .030 ( ) ---- ---- 4.57 .180 ( ) .030 0.76 .045 1.14 Document Control #ML0008 Rev 0.7 February 2007 ( ) 1.345 34.16 35.18 1.385 ( ) ( ) .014 0.36 .045 1.14 .022 0.56 .060 1. .300 7.62 .325 8. .008 0.20 .015 0. .300 (7.62) BSC ( ) ---- ---- 10.92 .430 .275 6.98 .295 7. .015 0.38 ---- ---- .125 (3.18) MIN .100 (2.54) BSC ...
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... PDIP Pin 1 Index ( ) 0.040 1.02 0.050 1.27 ---- ---- (4.57) .180 Document Control #ML0008 Rev 0.7 February 2007 ( ) 1.440 36.58 1.460 37.08 ( 0.36 ) 0.014 0.045 0.022 0.56 0.060 ( 15.11 ) 0.595 15.88 0.625 0.008 0.015 ( ) 0.600 15.24 0.660 16.76 17 STK12C68 (SMD5962-94599) ( 0.530 13.46 0.550 13.97 0.125 (3.18) MIN 0.10 (2.54) BSC ) ( 1.14 1.52 DIM = INCHES ( MIN DIM = mm MAX ( ) 0.20 0.38 ) 0.015 (0.38) ---- ---- MIN MAX ) ...
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... STK12C68 (SMD5962-94599) 28-Lead, 300 mil Side Braze DIL ( ) --- --- .060 1. 3.15 .124 4.14 .162 .016 .020 .290 .310 .300 7.62 .320 8.13 Document Control #ML0008 Rev 0.7 February 2007 ( ) 1.386 35.20 1.414 35. 0.41 .048 0.51 .052 ( ) 7.37 7. .009 0.23 0.30 .012 ( ) 18 PIN 14 .125 (3.18) MIN ( ) 2.29 .090 ( ) .110 2.79 1.22 1.32 MIN DIM = INCHES MAX ( ) MIN DIM = mm MAX ( ) ...
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... Ceramic LCC ο (1.02) 0.040 REF places ο (0.51) 0.020 REF X 45 (0.23) 0.009 REF 28 places 0.006 0.022 0.022 0.028 ( ) ( ) 0.15 0.56 0.56 0.71 --- --- ( ) 0.558 14.17 Document Control #ML0008 Rev 0.7 February 2007 STK12C68 (SMD5962-94599) 0.542 13. 0.558 14.17 Pad 1 Index ( ) 0.045 1.14 0.055 1.40 0.070 1. 0.090 2.29 ( 0.062 1.57 0.078 1. ...
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... Add Product Ordering Code Listing Add Package Outline Drawings Reformat Entire Document SIMTEK STK12C68 Datasheet, February 2007 Copyright 2007, 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 ...