STK12C68-SF45I Cypress Semiconductor Corp, STK12C68-SF45I Datasheet - Page 2

IC NVSRAM 64KBIT 45NS 28SOIC

STK12C68-SF45I

Manufacturer Part Number
STK12C68-SF45I
Description
IC NVSRAM 64KBIT 45NS 28SOIC
Manufacturer
Cypress Semiconductor Corp
Series
-r
Datasheets

Specifications of STK12C68-SF45I

Memory Size
64K (8K x 8)
Package / Case
28-SOIC (8.69mm width)
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Speed
45ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Access Time
45 ns
Supply Voltage (max)
7 V
Supply Voltage (min)
4.5 V
Maximum Operating Current
65 mA
Organization
8 K x 8
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Supply Voltage
4.5 V to 5.5 V
Rohs Compliant
YES
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STK12C68-SF45I
Manufacturer:
Simtek
Quantity:
500
Part Number:
STK12C68-SF45I
Manufacturer:
SIMTEK
Quantity:
20 000
Part Number:
STK12C68-SF45ITR
Manufacturer:
CADDOCK
Quantity:
101
Contents
Pin Configurations ........................................................... 3
Pin Definitions .................................................................. 3
Device Operation .............................................................. 4
SRAM Read ....................................................................... 4
SRAM Write ....................................................................... 4
AutoStore Operation ........................................................ 4
AutoStore Inhibit Mode .................................................... 5
Hardware STORE (HSB) Operation ................................. 5
Hardware RECALL (Power Up) ........................................ 5
Software STORE ............................................................... 5
Software RECALL ............................................................. 6
Data Protection ................................................................. 6
Noise Considerations ....................................................... 6
Hardware Protect .............................................................. 6
Low Average Active Power .............................................. 6
Preventing Store ............................................................... 6
Best Practices ................................................................... 7
Maximum Ratings ............................................................. 8
Operating Range ............................................................... 8
DC Electrical Characteristics .......................................... 8
Document Number: 001-51027 Rev. *E
Data Retention and Endurance ....................................... 9
Capacitance ...................................................................... 9
Thermal Resistance .......................................................... 9
AC Test Conditions .......................................................... 9
AC Switching Characteristics ....................................... 10
AutoStore or Power Up RECALL .................................. 12
Software Controlled STORE/RECALL Cycle ................ 13
Hardware STORE Cycle ................................................. 14
Switching Waveform ...................................................... 14
Part Numbering Nomenclature ...................................... 15
Ordering Information ...................................................... 15
Package Diagrams .......................................................... 16
Document History Page ................................................. 21
Sales, Solutions, and Legal Information ...................... 22
SRAM Read Cycle .................................................... 10
SRAM Write Cycle ..................................................... 11
Worldwide Sales and Design Support ....................... 22
Products .................................................................... 22
PSoC Solutions ......................................................... 22
STK12C68
Page 2 of 22
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