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Datasheet> All Categories > storage> storage> STK16CA8-WF25
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STK16CA8-WF25

Description
128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM
Categorystorage    storage   
File Size195KB，12 Pages
ManufacturerSimtek
Websitehttp://www.simtek.com
Environmental Compliance
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STK16CA8-WF25 Overview

128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM

STK16CA8-WF25 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSimtek
package instructionDIP,
Reach Compliance Codeunknow
ECCN codeEAR99
Maximum access time25 ns
JESD-30 codeR-PDIP-T32
JESD-609 codee3
length41.91 mm
memory density1048576 bi
Memory IC TypeNON-VOLATILE SRAM
memory width8
Number of functions1
Number of terminals32
word count131072 words
character code128000
Operating modeASYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize128KX8
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Package shapeRECTANGULAR
Package formIN-LINE
Parallel/SerialPARALLEL
Certification statusNot Qualified
Maximum seat height4.83 mm
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3 V
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
width15.24 mm

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Download Datasheet
STK16CA8
128K x 8
AutoStorePlus™
nvSRAM
QuantumTrap™
CMOS
Nonvolatile Static RAM
Preliminary
FEATURES
• 25ns, 35ns and 45ns Access Times
• Directly Replaces 128K x 8 Static RAM, Bat-
tery-Backed RAM or EEPROM
• Transparent Data Save on Power Down
•
STORE
to
QuantumTrap™
Nonvolatile Ele-
ments is Initiated by Software or
AutoStore-
Plus™on
Power Down
•
RECALL
to SRAM Initiated by Software or
Power Restore
• 5mA Typical I
CC
at 200ns Cycle Time
• Unlimited READ and WRITE Cycles to SRAM
• 100-Year Data Retention to Quantum Trap
• Single 3V +20%, -10% Operation
• Commercial and Industrial Temperatures
• 32-Pin DIP Package
DESCRIPTION
The Simtek STK16CA8 is a fast static
RAM
with a
nonvolatile element in each static memory cell. The
embedded nonvolatile elements incorporate
Simtek’s
QuantumTrap™
technology producing the
world’s most reliable nonvolatile memory. The
SRAM
provides unlimited read and write cycles, while inde-
pendent, nonvolatile data resides in the nonvolatile
elements. Data transfers from the
SRAM
to the non-
volatile elements (the
STORE
operation) can take
place automatically on power down or under soft-
ware control. An internal capacitor guarantees the
STORE
operation, even under extreme power-down
slew rates or loss of power from “hot swapping”.
Transfers from the nonvolatile elements to the
SRAM
(the
RECALL
operation) take place automatically on
restoration of power. Initiation of
STORE
and
RECALL
cycles can also be controlled by entering control
sequences on the
SRAM
inputs. The STK16CA8 is
pin-compatible with 128k x 8
SRAMs
and battery-
backed
SRAMs
, allowing direct substitution while
providing superior performance.
BLOCK DIAGRAM
V
CC
Quantum Trap
1024 x 1024
ROW DECODER
PIN CONFIGURATIONS
NC
A
16
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
DQ
0
DQ
1
DQ
2
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A
5
A
6
A
7
A
8
A
9
A
12
A
13
A
14
A
15
A
16
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
POWER
CONTROL
STORE
STATIC RAM
ARRAY
1024 x 1024
RECALL
STORE/
RECALL
CONTROL
V
CC
A
15
NC
W
A
13
A
8
A
9
A
11
G
A
10
E
DQ
7
DQ
6
DQ
5
DQ
4
DQ
3
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
SOFTWARE
DETECT
A
0
- A
15
PIN NAMES
A
0
- A
16
W
DQ
0
- DQ
7
Address Inputs
Write Enable
Data In/Out
Chip Enable
Output Enable
Power (+ 3V)
Ground
A
0
A
1
A
2
A
3
A
4
A
10
A
11
G
E
W
E
G
V
CC
V
SS
September 2003
1
Document Control # ML0023 rev 0.1

STK16CA8-WF25 Related Products

STK16CA8-WF25 STK16CA8-W45I STK16CA8-WF45I STK16CA8-W25I STK16CA8-W25 STK16CA8-W35 STK16CA8-W35I STK16CA8-W45 STK16CA8-WF35 STK16CA8-WF45
Description 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM 128K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM
Is it Rohs certified? conform to incompatible conform to incompatible incompatible incompatible incompatible incompatible conform to conform to
package instruction DIP, DIP, DIP, DIP, DIP, DIP, DIP, DIP, DIP, DIP,
Reach Compliance Code unknow unknow unknown unknow unknow unknow unknow unknow unknow unknown
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum access time 25 ns 45 ns 45 ns 25 ns 25 ns 35 ns 35 ns 45 ns 35 ns 45 ns
JESD-30 code R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32 R-PDIP-T32
JESD-609 code e3 e0 e3 e0 e0 e0 e0 e0 e3 e3
length 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm 41.91 mm
memory density 1048576 bi 1048576 bi 1048576 bit 1048576 bi 1048576 bi 1048576 bi 1048576 bi 1048576 bi 1048576 bi 1048576 bit
Memory IC Type NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM
memory width 8 8 8 8 8 8 8 8 8 8
Number of functions 1 1 1 1 1 1 1 1 1 1
Number of terminals 32 32 32 32 32 32 32 32 32 32
word count 131072 words 131072 words 131072 words 131072 words 131072 words 131072 words 131072 words 131072 words 131072 words 131072 words
character code 128000 128000 128000 128000 128000 128000 128000 128000 128000 128000
Operating mode ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS
Maximum operating temperature 70 °C 85 °C 85 °C 85 °C 70 °C 70 °C 85 °C 70 °C 70 °C 70 °C
organize 128KX8 128KX8 128KX8 128KX8 128KX8 128KX8 128KX8 128KX8 128KX8 128KX8
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE
Parallel/Serial PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm 4.83 mm
Maximum supply voltage (Vsup) 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
Nominal supply voltage (Vsup) 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
surface mount NO NO NO NO NO NO NO NO NO NO
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Tin/Lead (Sn85Pb15) Matte Tin (Sn) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) Matte Tin (Sn) Matte Tin (Sn)
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
width 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm 15.24 mm
Maker Simtek Simtek Simtek Simtek - Simtek Simtek Simtek - Simtek
Peak Reflow Temperature (Celsius) - 240 - 240 240 240 240 240 - -
Maximum time at peak reflow temperature - NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - -

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